Malicious PDF — malware analysis report

Static analysis result for SHA-256 8969dcff0bd2601c…

MALICIOUS

PDF

62.5 KB Created: 2021-04-14 05:15:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5fbb9f75646922fb979d93d13d5bf1cf SHA-1: e410d58bd01c476ccb2cb87aad2f116cb53634f0 SHA-256: 8969dcff0bd2601c907aa85f1aec0ce52d3527c63317f6fed5ad7da5227be4ae
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains heuristics indicating it is a link farm designed to redirect users, with multiple embedded URLs pointing to potentially malicious or deceptive content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or scam purposes. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of malicious redirection or content delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7598

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.termis.org/system/files/webform/88699151804.pdf
    • https://vectorcorp.net/sites/default/files/webform/resume/86038084563.pdf
    • http://www.muttypawsacademy.com/sites/default/files/webform/vaccines/17184396690.pdf
    • http://www.grotekeukens.be/sites/default/files/webform/gmawards2018/41850888982.pdf
    • http://www.guninetwork.org/system/files/webform/heirri_proposals/44437875789.pdf
    • https://www.telluridescience.org/sites/default/files/tstc-applications/nuwirofu.pdf
    • https://www.jwico.com/sites/default/files/webform/66271497470.pdf
    • http://www.friendlycc.com/sites/default/files/webform/tojatovovezugunubi.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=ponyfinder+campaign+setting+pdf
    • https://community.princeton.edu/system/files/webform/4167827641.pdf
    • https://minorsoncampus.princeton.edu/system/files/webform/vogifowisawab.pdf
    • https://minorsoncampus.princeton.edu/system/files/webform/45540448673.pdf
    • https://www.vub.be/sites/vub/files/webform/16824703900.pdf
    • https://drones.princeton.edu/system/files/webform/zifogisabivaloxigisosobu.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ce36.bin
58cd3b5b36a190afb9bf4f189e0a28f33b4c0b21793b0085e5faa04e73bddb2f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCE36 5548 bytes

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