Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbe02cfeff7b6e42…

MALICIOUS

PDF

44.1 KB Created: 2021-09-26 01:36:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: 60ea5efe811165ad1bd917a6f782b67b SHA-1: 160db35d72f22fbe0cecc9ee332edcaee8533a8b SHA-256: dbe02cfeff7b6e42d52f7a06bbda7bf8bffd46afdaee1a67e723b366883eb28d
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, with many pointing to suspicious domains and serving PDF files. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high volume of links on disposable hosting, suggesting a tactic to obscure malicious intent. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious classification. While no scripts were explicitly extracted, the structure and URL distribution are consistent with phishing or malware distribution campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7716

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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 https://sunrisemotelbellevue.com/nbloom/fckuploads/file/xigogesosu.pdf In PDF document text
    • https://kiaavcilar.com/upload/ckfinder/files/kimoku.pdfIn PDF document text
    • http://aow.infogestnet.it/ckfinder/userfiles/files/nupokifabavomigusegirir.pdfIn PDF document text
    • https://digitaluzaktanegitim.com/calisma2/files/uploads/legopabi.pdfIn PDF document text
    • https://solener.info/ckfinder/userfiles/files/64295932359.pdfIn PDF document text
    • https://bczenekar.hu/files/file/71644108109.pdfIn PDF document text
    • http://bighost.vn/uploads/userfiles/file/putuwu.pdfIn PDF document text
    • https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/47201697396.pdfIn PDF document text
    • http://www.poliklinika-hb.cz/userfiles/file/6880588714.pdfIn PDF document text
    • http://nawoo.net/userData/board/file/xekurewufutidazobim.pdfIn PDF document text
    • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1614066ce2ad06---bowetigegot.pdfIn PDF document text
    • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/jigeredavaf.pdfIn PDF document text
    • http://hart-metale.pl/gimnazjum/userfiles/file/begofijaka.pdfIn PDF document text
    • http://career-id.org/ckfinder/userfiles/files/38810826363.pdfIn PDF document text
    • http://obraz-tlt.ru/userfiles/file/mologepe.pdfIn PDF document text
    • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/161451c7310902---libevowajerekobikabojak.pdfIn PDF document text
    • http://bluebossa.pl/files/file/37895986785.pdfIn PDF document text
    • http://venusland.vn/app/webroot/img/files/tefezigonipumivajepog.pdfIn PDF document text
    • https://totounited.com/contents/files/xexumusa.pdfIn PDF document text
    • http://xn--72c7caerxx0d3a9eve.com/UserFiles/File/tedesofaruxut.pdfIn PDF document text
    • http://kondicionery-himki.ru/upload_picture/file/rabetitadikilipemixusutup.pdfIn PDF document text
    • http://isotope3.pm-ural.com/uploads/files/6022760108.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=ring+my+androidPDF link annotation