Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d1931c54110db08…

MALICIOUS

PDF

53.0 KB Created: 2021-04-12 12:01:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9b3c57f022f822fcfb9c79d4f4cb0f79 SHA-1: 5ede5ceeb120096a7920460fa35d944ad7319e6b SHA-256: 0d1931c54110db08102d5402ef6038671065ba09719ffdf179815af75fe011a8
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is designed to host numerous links, likely for phishing or distributing further malware. While no scripts were explicitly extracted, the presence of embedded URLs and the overall structure point towards an attempt to redirect users to potentially harmful external sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6428

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://www.viachristi.org/sites/default/files/webform/89070061484.pdf
    • http://www.pbttphtk.gov.my/sites/default/files/webform/88462653206.pdf
    • http://www.grotekeukens.be/sites/default/files/webform/gmawards2018/dufadurelabakugozuku.pdf
    • http://seiary.com/sites/default/files/webform/rec/6045441545.pdf
    • https://ambrose.edu/sites/default/files/webform/28961662769.pdf
    • https://www.jwico.com/sites/default/files/webform/69174909787.pdf
    • http://www.grotekeukens.be/sites/default/files/webform/gmawards2018/sakobonomoduriv.pdf
    • https://www.natsihwa.org.au/sites/default/files/webform/25680057182.pdf
    • https://www.visitsavannah.com/sites/default/files/webform/71260674720.pdf
    • http://spotlight-sites.com/sites/default/files/webform/93789740410.pdf
    • https://ambrose.edu/sites/default/files/webform/lajeriz.pdf
    • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=verre+d%25C3%25A9poli+poumon+traitement
    • https://campusrec.princeton.edu/system/files/webform/jelozubunumi.pdf
    • https://community.princeton.edu/system/files/webform/putirufulexuxibo.pdf
    • https://thesanfordschool.asu.edu/sites/default/files/webform/83703622856.pdf
    • https://www.ice.cam.ac.uk/sites/www.ice.cam.ac.uk/files/webform/17420147243.pdf

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