Malicious PDF — malware analysis report

Static analysis result for SHA-256 b60f27d6a48ac37d…

MALICIOUS

PDF

40.2 KB Created: 2021-06-18 04:12:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16
MD5: 8652a2dc9103245ddd3b6014122df94e SHA-1: 8ce4d8febda98180b02a0992081a4651c6438de4 SHA-256: b60f27d6a48ac37d369acaa8c3e1298aa4e3e50de5f5b0217189b16b0e0e65af
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document is identified as malicious by multiple heuristics and an ML classifier, with ClamAV detecting it as a phishing trojan. The document employs an image-only lure, typical of phishing campaigns, and contains numerous links pointing to compromised WordPress sites and other domains, suggesting an attempt to redirect users to malicious content or downloads. The presence of multiple external URIs and the overall structure strongly indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7992

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 40 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160738bea546d9---11383068571.pdf In PDF document text
    • http://kengosushionlineorder.com/uploads/files/fifosenezijiluzav.pdfIn PDF document text
    • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e84f78f52d---pazakupaji.pdfIn PDF document text
    • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607625e94d93b---64686144426.pdfIn PDF document text
    • https://africanresearchcenter.com/userfiles/file/84619590433.pdfIn PDF document text
    • https://svrcontractors.com/wp-content/plugins/super-forms/uploads/php/files/2c09d86519cbe72495df97a7e3d66dfc/sorife.pdfIn PDF document text
    • https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/haq63fc80bd6u7469ekeiu8bde/ketosetebe.pdfIn PDF document text
    • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16075a2e83c4c1---gudesafapul.pdfIn PDF document text
    • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af991e9fe24---35919987638.pdfIn PDF document text
    • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/afktqvv5rll0ifol5u8a1ti808/rokegejazawexox.pdfIn PDF document text
    • http://handbook.hu/upload/page/file/subuwivejuvawije.pdfIn PDF document text
    • http://southfieldhigh1973.com/clients/2/27/27a5067865c8334ad4a5a1fd7642c928/File/watawareliven.pdfIn PDF document text
    • https://apsco.ly/userfiles/files/60021717412.pdfIn PDF document text
    • https://alakharia.com/public_html/userfiles/file/rajemewidonegu.pdfIn PDF document text
    • http://rheinmotel.com/userfiles/file/12716136173.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=chal+hat+nikal+meri+zindagi+se+mp3+song+downloadPDF link annotation

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