Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fc4637ff4891a2b…

MALICIOUS

PDF

41.4 KB Created: 2021-09-28 20:48:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24
MD5: 363ad87b48c33c2ba269b3f3d7d42a0c SHA-1: be929d647ef4e1c3af9626108bf53d5a6784b8e1 SHA-256: 2fc4637ff4891a2bc8cd4728f01ebd69e47798f551952ea3d764e965a777a95a
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, many of which point to disposable hosting and are part of a link farm, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are consistent with techniques used to deliver second-stage payloads or redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8256

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 http://orsini-blasioli.it/userfiles/files/15864006543.pdf In PDF document text
    • http://techsystem.gr/data/uploads/ckeditor/files/59533769048.pdfIn PDF document text
    • http://tenis-klubmoj.si/uporabnik/file/2747422701.pdfIn PDF document text
    • https://plasy.com/uploads/file/fidolomegudovadepewera.pdfIn PDF document text
    • https://we-plus.tw/ckfinder/userfiles/files/wujopilizujot.pdfIn PDF document text
    • https://gianlucabruno.it/dati/upload/file/ratawoxivijilofuvedido.pdfIn PDF document text
    • http://talentfuturesservices.com/sharpinstitute/images/files/13669852724.pdfIn PDF document text
    • https://coopinproject.eu/ckfinder/userfiles/files/fuxobilolorekixiloguveki.pdfIn PDF document text
    • https://pastelbuilders.com/userfiles/file/74722298933.pdfIn PDF document text
    • http://acmemask.com/upfiles/editor/files/5060415711.pdfIn PDF document text
    • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/9c4c1f610050dabeb6b20f0c0936aef0/72034548561.pdfIn PDF document text
    • http://www.recko.ru/ckfinder/userfiles/files/39126592170.pdfIn PDF document text
    • https://bisnismedsos.com/userfiles/file/nebuvijali.pdfIn PDF document text
    • https://thuhuonglacquer.com/uploads/news_file/minave.pdfIn PDF document text
    • http://swhos.com/upload/files/vixofuvejegexejuna.pdfIn PDF document text
    • https://kisikana.hr/UserFiles/files/50896976122.pdfIn PDF document text
    • http://movitecnic.fr/ressource/site-image/files/futivupapivaje.pdfIn PDF document text
    • http://gaudi.tw/upload/file/98908323128.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=english+file+elementary+fourth+edition+pdfPDF link annotation

Open this report in the interactive analyzer, or submit your own file for analysis.