Malicious PDF — malware analysis report

Static analysis result for SHA-256 804ad5ce3e69390d…

MALICIOUS

PDF

64.5 KB Created: 2021-06-17 21:50:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: acc8ff9b686a73072a56476a86eeaa52 SHA-1: f6ff0a0ee218579d0395bd5639e4244328fa2351 SHA-256: 804ad5ce3e69390dce5c8436048152660622f9279afadaee114051d6195abe53
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users. The presence of 'nitro type hack money generator' in the document body indicates a lure for potentially malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious nature of this file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7441

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/778aae937f8b73dda0e915743f54afe8/bopuposuwufevefazikirafiw.pdf In PDF document text
    • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074789b68846---44354183447.pdfIn PDF document text
    • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9c0a50bea---nesaj.pdfIn PDF document text
    • https://alajuusa.ee/media/contents/file/pisupowi.pdfIn PDF document text
    • http://adamlegal.com/userfiles/file/3882534286.pdfIn PDF document text
    • https://alternativecarrepair.com/userfiles/file/betowaxozirire.pdfIn PDF document text
    • http://mwflower.com/upimagesfile/%5C/ruzavobagaw.pdfIn PDF document text
    • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/5cc233cb67ad4411e2bbf4f90f99bcee/61769104440.pdfIn PDF document text
    • https://oncallanatomist.org/ckfinder/userfiles/files/56367672948.pdfIn PDF document text
    • https://thietbivesinhanhhuy.com/asset/files/88862378572.pdfIn PDF document text
    • https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/3eeb288f40853ffb3e3be07404849bd2/teluridesikakelirenini.pdfIn PDF document text
    • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/dd41944465ce6ff700bb6d9ba92f0513/46740492308.pdfIn PDF document text
    • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608833030ccb9---pitavadifulogofivezuriwo.pdfIn PDF document text
    • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609190ad45d76---ramivabuk.pdfIn PDF document text
    • https://cambodiadriverservice.com/userfiles/file/31396092507.pdfIn PDF document text
    • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/bo1555568ioun8f2lv6v3r0fn5/kukekinisomugomedub.pdfIn PDF document text
    • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4bf7392184---32834823191.pdfIn PDF document text
    • https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/pfju558bj9fvbtvl5rlpp36cil/bupigifixu.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=nitro+type+hack+money+generator+unblockedPDF link annotation

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