Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b907cb0f872af29…

MALICIOUS

PDF

29.4 KB Created: 2020-04-12 03:25:29 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 1b07d80820142e154a6bfb1fe21395ed SHA-1: 6585e211fffe9ee77ab74e1ce8355cf4b1caad22 SHA-256: 2b907cb0f872af293c238d4d887187cc1d7146e700b692e47bee871a79107f31
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links to other PDF files hosted on various domains, indicating a link farm or SEO abuse tactic. The ML classifier strongly flagged this PDF as malicious. The presence of multiple external URIs suggests a coordinated effort to redirect users to potentially malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9856

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://trailsofsilverlinings.me/uploads/1/3/0/2/130289310/130289310.html#the+replacement+bride+ch+5
    • http://dulielahart.com/uploads/1/3/0/6/130639157/zivezazudikiki_wozuxutit.pdf
    • http://teilla.com/uploads/1/3/0/6/130621200/408839.pdf
    • http://littlepandaicecream.com/uploads/1/3/0/5/130544694/6752945.pdf
    • http://kristinmillsevents.com/uploads/1/3/0/5/130590395/2833205.pdf
    • http://oxfordderby.com/uploads/1/3/0/6/130621592/ef5bf.pdf
    • http://matthewsdodrill.com/uploads/1/3/0/4/130483429/c1405.pdf
    • http://resolvera.org/uploads/1/3/0/2/130289308/zafusebisusugobiv.pdf
    • http://cook-edu5.com/uploads/1/3/0/5/130588295/4dfc0b6bd72959.pdf
    • http://yourpowertrip.com/uploads/1/3/0/2/130287505/remepes.pdf

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