Malicious PDF — malware analysis report

Static analysis result for SHA-256 af26d6d3e9bca0f7…

MALICIOUS

PDF

367.3 KB Created: 2022-03-12 23:12:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 728f5d7b60fbb9c553e936f639ecf643 SHA-1: 56284a7d00caa68340c41e90182bca6c2ffcece3 SHA-256: af26d6d3e9bca0f70bc36e1c83e85b023654f9acf980c69d7f74c554725efad8
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5194

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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://norin.co.za/XSRYdR1H?utm_term=yearly+planner+excel+template+2018 PDF link annotation
    • http://combatkuntao.com/ckeditor/ckfinder/userfiles/files/50684539971.pdfIn PDF document text
    • https://www.coopi.org/admin/assets/js/ckeditor/kcfinder/upload/files/files/gifawuwevovo.pdfIn PDF document text
    • http://cn-daomeng.com/upload/userfiles/files/28dc9aa1fe0178845ac7ceccd9e4b906.pdfIn PDF document text
    • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1620aca910c027---18272305926.pdfIn PDF document text
    • https://matraci.aidb.bg/UserFiles/File/gizumajobodugotodamap.pdfIn PDF document text
    • https://subhagataguesthouse.com/userfiles/file/79035225987.pdfIn PDF document text
    • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/25a12beb11144b584fffb433833ab499/zugudokopefefimesulakew.pdfIn PDF document text
    • https://forumsevens.com/images/file/fititig.pdfIn PDF document text
    • https://houstoncoinclub.org/FCKeditor/file/50304182964.pdfIn PDF document text
    • http://orvosikreditpont.hu/images/upload/file/tulufetuxuzolariberu.pdfIn PDF document text
    • https://webneel.com/sites/default/files/images/blog/fckfile/genesuvivoziwupapimenumi.pdfIn PDF document text
    • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/m4i6ul7ttgn7ks3ad71fsjln9d/kovugugisesidij.pdfIn PDF document text
    • http://ccadl.com/files/20220210191245.pdfIn PDF document text
    • http://w-f-l.de/user_img/file/91779440367.pdfIn PDF document text
    • http://bidmitt.com/img/files/file/jabofegilu.pdfIn PDF document text
    • https://pastelbuilders.com/userfiles/file/lomobiletezuriwetadusisud.pdfIn PDF document text
    • http://manchesternh298.org/kcfinder/upload/files/27755568429.pdfIn PDF document text
    • http://vtdsbinhthuan.vn/public/uploads/userfiles/file/daritodaveguguweliluge.pdfIn PDF document text
    • https://dulichduyendangvietnam.com/uploads/news_file/78068480941.pdfIn PDF document text
    • https://aildf.in/userfiles/file/ledokibebefap.pdfIn PDF document text
    • https://seltec.io/images/uploads/files/13021220104.pdfIn PDF document text
    • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1620f7b6e35368---81687112528.pdfIn PDF document text
    • http://karmakonnect.org/DrumiBhatt/karmakonnect.org/Final/ckeditorimage/files/kosuresereniwuvawodox.pdfIn PDF document text
    • http://indagosrl.it/userfiles/files/vovopumitopakomakofo.pdfIn PDF document text
    • https://plasticosgyc.co/kcfinder/upload/files/97500585422.pdfIn PDF document text
    • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1621ac1fc818ba---wejisusekelina.pdfIn PDF document text
    • http://travelbilet.ru/sites/default/files/file/letipowixabibesa.pdfIn PDF document text
    • https://wupaojichangjia.com/d/files/28406335628.pdfIn PDF document text
    • http://studiolorenzino.eu/userfiles/files/gibexoxitakedikozabisar.pdfIn PDF document text
    • https://telliogluhukuk.com/userfiles/file/roruka.pdfIn PDF document text
    • http://www.studioamorosi.com/notizie/allegati/mazof.pdfIn PDF document text
    • http://siripanyalamphun.com/user_img/files/14348890069.pdfIn PDF document text
    • http://kapfenberger-schuetzenverein.at/userfiles/file/xupanemedakada.pdfIn PDF document text
    • http://tribeninepal.com/dbros/public/ckeditor/kcfinder/upload/files/bulososagozed.pdfIn PDF document text
    • http://roseeskin.com/userfiles/file/20220305135053.pdfIn PDF document text
    • http://mindennapi.hu/upload/file/jiketisobikot.pdfIn PDF document text
    • https://ddnepal.com/assets/userfiles/files/93937066232.pdfIn PDF document text
    • http://maymaygiaydachidang.com/upload/files/11339466651.pdfIn PDF document text
    • http://www.peritaonline.es/ckfinder/userfiles/files/53689239657.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
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054f33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x54F33 10856 bytes
SHA-256: 56de114fd9b3a83ff0045f5a5f314f842a6fed2d9e51ed9da36982eb3ed1d837
font_01_sfnt_off00056864.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56864 17456 bytes
SHA-256: 54b6527a177c528df2f8b78145af44a71c8d55a950160168abddf7e9bb9bfb8f
font_02_sfnt_off000595ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x595AE 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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