Malicious PDF — malware analysis report

Static analysis result for SHA-256 445a397bed0d4393…

MALICIOUS

PDF

370.5 KB Created: 2022-02-10 08:58:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-07
MD5: d8394c3d7b01f62fe109ef5edcb3ed81 SHA-1: e738ae3397171f1d170a0a8ee95f260d5d6ca0b1 SHA-256: 445a397bed0d43938cac30b2cde1f99c2e4547d1fee7118888bbad886e9ecbdc
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6485

Heuristics 6

  • 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.
  • 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://yoyep.co.za/XSRYdR1H?utm_term=lagu+blackpink+boombayah+mp4 PDF link annotation
    • http://matchonusa.com/uploads/files/poporemenalefugaledipipip.pdfIn PDF document text
    • http://www.kickcommerce.com/userfiles/file/kupipetulemuvilurupezil.pdfIn PDF document text
    • https://hotel-la-licorne.fr/userfiles/file/kibiwerorimuvepedupasexam.pdfIn PDF document text
    • http://www.schule.havonix.com/ckfinder/userfiles/files/fanuralura.pdfIn PDF document text
    • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/6c6198cdfc37d518d737fbeb1351b11b/tenewefutepofeti.pdfIn PDF document text
    • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16106fa254dd87---52479061890.pdfIn PDF document text
    • http://savoie-outils-coupants.com/ckfinder/userfiles/files/52772640812.pdfIn PDF document text
    • http://librojuridico.com/aym_images/files/vonoziz.pdfIn PDF document text
    • https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/67538396990.pdfIn PDF document text
    • http://lagostena.it/userfiles/files/72264895726.pdfIn PDF document text
    • http://antonioruizabogados.es/userfiles/file/71778098451.pdfIn PDF document text
    • http://jx4d.com/userfiles/file/98955765496.pdfIn PDF document text
    • https://sokolzgierz.pl/web/uploads/files/wuzovogevewidowumoxu.pdfIn PDF document text
    • http://qdxqw.com/uploadfile/file/totumoxuvud.pdfIn PDF document text
    • https://harshahometutors.com/uniformkontakt/userfiles/image/files/44320379725.pdfIn PDF document text
    • http://ecocj.com/userfiles/file/20211001023851.pdfIn PDF document text
    • http://fcms.nl/KCFinder/upload/files/xisiwizodopofonefoji.pdfIn PDF document text
    • https://tolgyesvolgy.hu/userfiles/file/tagaxemupimamufotipapukex.pdfIn PDF document text
    • https://agape4u.org/userfiles/file/21053793434.pdfIn PDF document text
    • https://jpjplumbingandheating.com/FCKeditor/file/31866725600.pdfIn PDF document text
    • https://vasekupony.sk/jsc/kcfinder/upload/files/perudizumefapaxotulifen.pdfIn PDF document text
    • http://primebrokeragetx.com/ckfinder/userfiles/files/66181085304.pdfIn PDF document text
    • http://mamitobe.ru/files/file/ramididez.pdfIn PDF document text
    • https://elger.cz/fckphotos/file/sipaxurojokokegegozuj.pdfIn PDF document text
    • http://ingmarcofaedi.com/userfiles/files/bajorosevobolusarujeseki.pdfIn PDF document text
    • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/161e0dbfe8aa80---vuwunulawipagikowan.pdfIn PDF document text
    • http://greenlivinggarden.com/htdocs/UserFiles/file/gekogaxukigamaluruv.pdfIn PDF document text
    • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/8bdcjulgp842f2urcss3ul04l5/riwikivebovo.pdfIn PDF document text
    • https://bjjewels.net/nbloom/fckuploads/file/javirinoluke.pdfIn PDF document text
    • http://sbriz.ru/userfiles/file/99207592815.pdfIn PDF document text
    • https://castilloexterior.net/ckfinder/userfiles/files/16429593307.pdfIn PDF document text
    • https://mraos.com/web/userfiles/file/gipokudowejilumigut.pdfIn PDF document text
    • https://eliteprotectiveservices.net/ckfinder/userfiles/files/40256545191.pdfIn PDF document text
    • http://geodavidepini.it/userfiles/files/69112199153.pdfIn PDF document text
    • http://3qlohas.com/CKEdit/upload/files/jusetudoteweturolurinole.pdfIn PDF document text
    • http://genesisglobalbd.com/assets/ckeditor/kcfinder/upload/files/45011986834.pdfIn PDF document text
    • http://bkpsdm.cirebonkab.go.id/kcfinder/upload/files/xuzujowenewuvadi.pdfIn PDF document text
    • https://zlato-eu.cz/upload/files/nugewekipakuxugokux.pdfIn PDF document text
    • https://clove7.com/userfiles/file/luzipojosemamumonagubilut.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_off00055450.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55450 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00056b6b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56B6B 20352 bytes
SHA-256: 65606895fb363083cc63841874ffd33a7f586339b555a4635f740d4d90758d90
font_02_sfnt_off0005a190.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A190 10804 bytes
SHA-256: fe0aee818af88f2d3cb9f17727a8f49c31e17d71f8b07a809a19a3cc7cfe0239

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