Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c8e36e16c88e49e…

MALICIOUS

PDF

32.4 KB Created: 2020-06-07 07:49:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b454a16b809f269111a9016629446ca0 SHA-1: 04eed1f2721105ddcd48a5fc966f14936724cc15 SHA-256: 2c8e36e16c88e49eb84ed2cd332840c7db0cffb797218d0a97d9b702d954862e
92 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to suspicious domains and are likely part of an SEO poisoning or link farm attack. The document body, though partially corrupted, includes a title that appears to be a lure for online video content, suggesting a social engineering pretext. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious link distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://riverviewgarlic.com/uploads/1/3/0/4/130483355/130483355.html#hint+filmi+izle+t%25C3%25BCrk%25C3%25A7e+dublaj+a%25C5%259Fk+treni
    • http://keyesremodeling.com/uploads/1/3/0/7/130776873/maxad.pdf
    • http://hawaiianliterature.org/uploads/1/3/1/8/131856131/7328e666ae.pdf
    • http://adastrayoga.com/uploads/1/3/0/2/130287278/saborogewegivuj.pdf
    • http://lrstransport.net/uploads/1/3/0/6/130603851/4390289.pdf
    • http://therealestestate.net/uploads/1/3/0/5/130545957/lufokozisugaja.pdf
    • http://hostmaster.lingototgames.com/uploads/1/3/0/8/130814575/e80d7e.pdf
    • http://sauerlaw.net/uploads/1/3/0/7/130739680/kazixilofademoj.pdf
    • http://uganeuro.com/uploads/1/3/0/4/130490719/xubofar.pdf
    • https://bavorekivaso.files.wordpress.com/2020/06/31444281897.pdf
    • https://vatavaj62443269.files.wordpress.com/2020/06/bulemudinijifu.pdf
    • https://metuvozugud.files.wordpress.com/2020/06/2262638231.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004e59.bin
60b6118f2e85593d8e6faf19dccedacdb865853ba4542a76545d9585a1310f3a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E59 12240 bytes

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