Malicious PDF — malware analysis report

Static analysis result for SHA-256 8477dbe504489df3…

MALICIOUS

PDF

302.7 KB Created: 2022-02-16 19:49:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-05
MD5: 8911d84897a718ad9a93428ce7e88c8e SHA-1: 968246fbc4ac3b3832487004e0eb712e9b5b4a71 SHA-256: 8477dbe504489df345401face3124a9d3ff19ccd21880292b6c6a73a45ed6246
191 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7177

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://fecuq.co.za/XSRYdR1H?utm_term=audio+clip+from+messenger PDF link annotation
    • http://safetyassessmentsolutions.co.uk/ckfinder/userfiles/files/1312658627.pdfIn PDF document text
    • http://suacuacuonthanhhoa.com/upload/files/gofokitoxi.pdfIn PDF document text
    • http://101balkon.ru/upload/files/jujusimadeluxos.pdfIn PDF document text
    • http://www.madiran-cruduparadis.fr/ckfinder/userfiles/files/24763043348.pdfIn PDF document text
    • http://myappartement.de/web/editor/files/xiritatami.pdfIn PDF document text
    • https://pecintajp.com/contents/files/24440473472.pdfIn PDF document text
    • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620c92a032376---9210752909.pdfIn PDF document text
    • http://lesbambousbleus.fr/ckeditor/upload/files/mekonukonifakugenokoze.pdfIn PDF document text
    • http://abc-tel.ru/data/File/xegibibaferewudivufela.pdfIn PDF document text
    • http://p-jtech.com/userData/board/file/63827510131.pdfIn PDF document text
    • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/5ac960016a802683296241f63fc91c5c/xolewedodipexoka.pdfIn PDF document text
    • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161eade9e704a8---88052990032.pdfIn PDF document text
    • http://trevelsi.ru/ckfinder/userfiles/files/bemijodojelelazawa.pdfIn PDF document text
    • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/160deea4448b82---xulavepadoxasawogi.pdfIn PDF document text
    • https://turismopontevedra.com/ckfinder/userfiles/files/85423725286.pdfIn PDF document text
    • http://www.mustwalge.ee/data/content/files/78147190950.pdfIn PDF document text
    • http://architects-desk.com/uploadsfile/raxik.pdfIn PDF document text
    • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/161904f08e2746---kawepefow.pdfIn PDF document text
    • http://ultrabeauty-ff.ru/userfiles/file/nugudulexedanuz.pdfIn PDF document text
    • https://highfieldhousehotel.net/nbloom/fckuploads/file/ritemoxazumapopekofas.pdfIn PDF document text
    • http://anaminfo.com/attachfile/file/29640237689.pdfIn PDF document text
    • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16164655085752---74857480517.pdfIn PDF document text
    • http://tourbusan.net/FileData/ckfinder/files/20210717_53C99ADB8625742B.pdfIn PDF document text
    • https://latvanysport.hu/upload/files/ridoxonijikimibenol.pdfIn PDF document text
    • http://epwuae.com/userfiles/file/zozerakefodozukofuno.pdfIn PDF document text
    • http://lovebridal.moscowfashion.net/content/xuploadimages/file/jojazonozawida.pdfIn PDF document text
    • http://invismortgagebroker.com/images/file/petawonidunusu.pdfIn PDF document text
    • http://logiccpacma.com/ckfinder/userfiles/files/negonawupapit.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 extracted file (font_00_sfnt_off000448ea.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off000448ea.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000448ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x448EA 19404 bytes
SHA-256: e735a3a105ae38c3e69d5b7ecb4c52b7258947a795c1dba57850ea07a6815006
font_01_sfnt_off00047bf8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47BF8 10784 bytes
SHA-256: bdaf10193513041eeff65bfde70dbdd33f92cc690b006ab24f53810181f82fb8
font_02_sfnt_off00049488.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49488 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9