Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb865b20c2de3df0…

MALICIOUS

PDF

339.6 KB Created: 2022-03-25 05:49:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-08
MD5: a258e22a2394fb19af1a272277eb2737 SHA-1: 37a64ec4aee38282dd0f38c0d8d1669a237fa4cf SHA-256: cb865b20c2de3df0edf710c25140e4f6bce6dd128d45943e8a1f9d1f62a9d3b1
191 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6533

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
    PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://wirut.co.za/XSRYdR1H?utm_term=pokemon+fusion+generation+2+rom+download PDF link annotation
    • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1622a16770eb4d---50794117001.pdfIn PDF document text
    • https://slavyansk.biz/userfiles/file/60266791408.pdfIn PDF document text
    • http://xn----8sbfeahwarn6ac1adp3fb2p.xn--p1ai/userfiles/file/xibujozuzo.pdfIn PDF document text
    • https://huscreenprinting.com/nbloom/fckuploads/file/volaxigurizonagugikof.pdfIn PDF document text
    • https://vizesblokk.hu/files/file/jagizulit.pdfIn PDF document text
    • http://giayviettri.com/img-ftec/files/wubozefiv.pdfIn PDF document text
    • http://retete.pentrugatit.ro/userfiles/file/puzodun.pdfIn PDF document text
    • http://cuspsurgeons.com/admin/kcfinder/upload/files/11064870464.pdfIn PDF document text
    • https://vespaclubcagliari.com/userfiles/file/lojuwiziwer.pdfIn PDF document text
    • http://nuocmambason.com/upload/fckimagesfile/855d3580774c5f7f8b10e33b1c3b5b42.pdfIn PDF document text
    • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623688c40f327---48201995893.pdfIn PDF document text
    • https://associazionedynamica.it/uploads/file/2562510949.pdfIn PDF document text
    • http://epmachine.ru/d/files/korekolagapudogeliwi.pdfIn PDF document text
    • http://pc75.net/upfiles/file/1644568045.pdfIn PDF document text
    • http://mediasingrid.com/js/new/fckeditor/userfiles/file/vozofuku.pdfIn PDF document text
    • https://mgs-on-track.com/uploads/misc/files/gevewitevezepagobam.pdfIn PDF document text
    • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/161f874144e066---36062375891.pdfIn PDF document text
    • http://constantemail.com/userfiles/file/1646930651jagitotojun.pdfIn PDF document text
    • http://hanart21.com/files/userfiles/file/romawesirebufi.pdfIn PDF document text
    • http://klsele.com/userfiles/file/1645880120.pdfIn PDF document text
    • http://smileorganic.net/smileorgfarm/filesupload/File/newusebobiji.pdfIn PDF document text
    • https://aydinhirdavat.com/panel/kcfinder/upload/files/pekowimijorafonezege.pdfIn PDF document text
    • https://www.beltiar.by/css/assets/plugins/kcfinder/upload/files/jowizo.pdfIn PDF document text
    • http://copingconversations.com/userfiles/file/pifurodikakob.pdfIn PDF document text
    • https://gamedunyasi.com/calisma2/files/uploads/jevenawefijejotipob.pdfIn PDF document text
    • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/162282588048a5---gexosalasofidemipe.pdfIn PDF document text
    • http://forsheda.se/admin/kcfinder/upload/files/41847500190.pdfIn PDF document text
    • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/hqgep6rt28reri2a0l54u2qdce/wufag.pdfIn PDF document text
    • https://efficimm.fr/userfiles/files/19878513835.pdfIn PDF document text
    • http://centrons.com/uploaded/file/99282784162346475c5231.pdfIn PDF document text
    • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621fb7f0c4e16---19907277233.pdfIn PDF document text
    • https://rakowka.pl/userfiles/file/73603585992.pdfIn PDF document text
    • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16218e65b86590---pajozudup.pdfIn PDF document text
    • https://ggmtc.net/userfiles/files/98241577614.pdfIn PDF document text
    • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620db70315611---45749028077.pdfIn PDF document text
    • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/5ba5f24bf959a1b70961682d67918c43/milivuwetameli.pdfIn PDF document text
    • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/44c9ddc9174b58a20be6d307391abaa6/pirozibijosetajijadomixaj.pdfIn PDF document text
    • http://phantasos.org/userfiles/file/sujanipudujatu.pdfIn PDF document text
    • http://facilitymanagementassociates.com/survey/userfiles/files/3929812105.pdfIn PDF document text
    • http://z-him.ru/userfiles/file/94801357807.pdfIn PDF document text
    • http://evevoyance.fr/adh/.-/file/39712064094.pdfIn PDF document text
    • http://admin.accf-asean-china.com/assets/grocery_crud/texteditor/kcfinder/upload/images/files/38363929007.pdfIn PDF document text
    • https://nic-irq.com/userfiles/files/47369057625.pdfIn PDF document text
    • https://3eyamaichi.com/upload/ckfinder_temp/files/20220323224611.pdfIn PDF document text
    • https://maths-pdf.fr/ckfinder/userfiles/files/jitumenujurasebin.pdfIn PDF document text
    • http://mdbim.pl/ubezpiecz/obrazy/file/40573089224.pdfIn PDF document text
    • https://www.ekometal.com/kcfinder/upload/files/nefaro.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    +6 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004dc6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4DC6C 11096 bytes
SHA-256: f9772680e20f24321beedbf08b48f9c1a71cdc4fefa4bcc43e094b65cccc7ce4
font_01_sfnt_off0004f63e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F63E 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off00050d5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50D5B 18512 bytes
SHA-256: df311374541bda92946f242cc5a08c163dcef7c3099aee6da4dbe2c80be788a9