Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe168e65e38599a0…

MALICIOUS

PDF

38.7 KB Created: 2021-09-20 06:51:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: bc60677924ea0fcc8bb8544be5cad642 SHA-1: 7b27da92db06765b49019c7d6eb21ede4a74d97e SHA-256: fe168e65e38599a0bf055d505e3d81d2acbfe00d0d142d02f36c15dce9b84461
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is identified as malicious by ClamAV and exhibits characteristics of a phishing lure, including an image-only presentation and embedded links. The heuristics suggest it functions as a link farm on disposable hosting, likely directing users to malicious content or further phishing attempts. No scripts were extracted, but the presence of multiple external URIs indicates a potential for redirection to exploit kits or credential harvesting pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8588

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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 38 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://nanyangtextile.com/userfiles/file/91646021927.pdf In PDF document text
    • http://sashtraayurveda.com/ckfinder/userfiles/files/filage.pdfIn PDF document text
    • http://gardens-spa.com/user_pict/file/suxajolutulugizatukes.pdfIn PDF document text
    • https://eletvital.hu/uploads/files/44918179520.pdfIn PDF document text
    • https://moveo-sport.pl/userfiles/file/pegutivegesedob.pdfIn PDF document text
    • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/a415787257886828476724c23009b14e/21700062163.pdfIn PDF document text
    • http://galeriejacqueselbaz.com/userfiles/file/boxarokibazexujinoxifet.pdfIn PDF document text
    • https://on-call-anatomist.org/ckfinder/userfiles/files/83628238034.pdfIn PDF document text
    • http://ozdermusavirlik.net/userfiles/file/ladedusavizobazo.pdfIn PDF document text
    • http://drentmedischadvies.nl/uploads/files/wopaliratijupupa.pdfIn PDF document text
    • https://heatingboiler.ca/fck_upload/file/jatibugetobonivuxagu.pdfIn PDF document text
    • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613435af6c5a7---kijawija.pdfIn PDF document text
    • https://cleaner.pl/userfiles/file/furovusikunux.pdfIn PDF document text
    • https://milsagliksen.org/upload/ckfinder/files/subikotosinimidejovo.pdfIn PDF document text
    • https://wic-net.com/userfiles/file/gusipamizoj.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=free+sultan+movie+online+watchPDF link annotation

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