Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f6ed6ef90081805…

MALICIOUS

PDF

248.5 KB Created: 2022-04-06 17:08:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-30
MD5: 38f555c5795885a68ef6e62492058cc9 SHA-1: 6aa7713f85a40d1b805160baf78465ecab36051e SHA-256: 8f6ed6ef90081805261892965cfc2fd064d83eabe389b6adc55e78d30ed277a6
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7629

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://colod.co.za/XSRYdR1H?utm_term=clean+bandit+symphony+lyrics+pdf PDF link annotation
    • https://aiaciran.org/cache/fck_files/file/29135455910.pdfIn PDF document text
    • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16223c1423f347---ruzunidatanepu.pdfIn PDF document text
    • https://intimtreningdebrecen.hu/frontend/ck/kcfinder/upload/files/gobaveguwabokaxoxa.pdfIn PDF document text
    • http://giraf-tour.com/kcfinder/upload/files/44980767158.pdfIn PDF document text
    • https://ecableapp.com/FCKeditor/FCKimgUpload/file/dibabolipebejowasir.pdfIn PDF document text
    • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1623d5a7f30fe3---58043765972.pdfIn PDF document text
    • http://webyork.co.uk/kcfinder/upload/files/jafibune.pdfIn PDF document text
    • http://gaia-onlus.org/userfiles/file/93222791348.pdfIn PDF document text
    • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621cc4e5e1346---viwidemaru.pdfIn PDF document text
    • http://group-anons.ru/userfiles/files/59525697359.pdfIn PDF document text
    • http://dobrodetel-tula.ru/kcfinder/upload/files/43334858796.pdfIn PDF document text
    • https://alshaabcoop.com/userfiles/file/69352209505.pdfIn PDF document text
    • http://self119.net/upload/userfiles/2022/02/files/220210121859.pdfIn PDF document text
    • https://ibrahimkoc.com/images/Media/files/nidanomulokepujusap.pdfIn PDF document text
    • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/162026c51b450f---birabapativedizawitidiwim.pdfIn PDF document text
    • http://hqshop24.com/userfiles/file/97040266655.pdfIn PDF document text
    • http://matrix-corporation.com/upfiles/editor/files/90423848570.pdfIn PDF document text
    • http://hotelrealerimini.it/userfiles/files/dubovadolowi.pdfIn PDF document text
    • https://perfecthospitals.org/ckfinder/userfiles/files/19807838881.pdfIn PDF document text
    • https://fenix-arm.ru/kcfinder/upload/files/55646605776.pdfIn PDF document text
    • http://polins.org/public/userfiles/file/dasetedonuwepup.pdfIn PDF document text
    • http://dj-maily.com/uploads/pages/files/povaxo.pdfIn PDF document text
    • http://hcvitamin.com/webroot/img/files/78674438069.pdfIn PDF document text
    • https://atlaskvartir.ua/data/uploads/files/59633114465.pdfIn PDF document text
    • http://khojedu.net/userfiles/file/23520582441.pdfIn PDF document text
    • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/162499e90a6426---90165133040.pdfIn PDF document text
    • http://diepdoanhmetals.com/media/ftp/file/geferepilevus.pdfIn PDF document text
    • http://torquaymuseum.org/userfiles/files/3631760112.pdfIn PDF document text
    • http://www.salda.lt/saldus/kcfinder/upload/files/zalovebojimizegeri.pdfIn PDF document text
    • http://penzionnakrizankach.cz/ckfinder/userfiles/files/8642674489.pdfIn PDF document text
    • http://galerieametyst.cz/media/files/47638629223.pdfIn PDF document text
    • http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/ximaxotetax.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_off0003713e.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0003713e.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003713e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3713E 11172 bytes
SHA-256: fa14410928cd4bf4453891eb72b30df54e1f8694e0dddbafecb4a149ab871b96
font_01_sfnt_off00038af3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x38AF3 18404 bytes
SHA-256: 3432adc30460551f3342de1d00f168248f140e320023e0a5f3aa462f531d2f71
font_02_sfnt_off0003baf0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3BAF0 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1