Malicious PDF — malware analysis report

Static analysis result for SHA-256 d53683cbec0c11a6…

MALICIOUS

PDF

43.0 KB Authoring application: Solid Converter PDF
MD5: 3166b854e5f2e01cdb7ee06090a8a015 SHA-1: 797da80b8780458e9ad060cf5b5277b938d65f48 SHA-256: d53683cbec0c11a6f10114ee636e196256771789ea84fbe50ce259d607d12ef7
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier strongly indicate maliciousness, specifically classifying it as phishing-related. The embedded URLs are likely used to redirect users to malicious content or further phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://thomastrevethan.com/uploads/1/3/0/3/130379627/d0a13bf1185c360.pdf
    • http://cockblockproductions.com/uploads/1/3/0/4/130477719/6534577.pdf
    • http://sidewalkstour.com/uploads/1/3/0/4/130475994/6700780.pdf
    • http://ponoleadership.com/uploads/1/3/0/2/130289171/9884636.pdf
    • http://visionary-affairs.com/uploads/1/3/0/7/130776246/titezuj-sobenefolazavi-kipepizakib.pdf
    • http://hostmaster.spotted4u.de/uploads/1/3/0/5/130545698/8489120.pdf
    • http://wearthenature.com/uploads/1/3/0/5/130543418/mutef_jofixeg.pdf
    • http://onesuggestion.net/uploads/1/3/0/8/130814871/muxamezapuzuridoxel.pdf
    • http://amundsenpr.com/uploads/1/3/0/3/130379354/a2ff3fa0aedbd8.pdf
    • http://www.ca-radio.com/uploads/1/3/0/7/130738637/fozajuketegetuxoxur.pdf
    • http://millerpost.net/uploads/1/3/0/6/130620176/baxoz-bawiraxawenagax-rofizasovola-mujukofinilib.pdf
    • http://coinoplaundryparts.com/uploads/1/3/0/2/130289670/bumuxizapitona.pdf
    • http://www.susiestreats.com/uploads/1/3/0/7/130776673/rilufozoluj.pdf
    • http://teamjaffa.com/uploads/1/3/0/4/130491947/zapawox.pdf
    • http://www.fymandco.com/uploads/1/3/0/8/130814052/f8de14d32eccc39.pdf
    • http://kathleencurry.net/uploads/1/3/0/5/130550972/mofeja.pdf
    • http://sexoembrasilia.com/uploads/1/3/0/2/130289198/lufad_bexivu_jotavijanukidiz_wururixivuwo.pdf
    • http://www.vandaroom.com/uploads/1/3/0/2/130291544/7477439.pdf
    • http://5280tattooremoval.com/uploads/1/3/0/3/130379912/9800868.pdf
    • http://nevadarapidcash.com/uploads/1/3/0/7/130776367/zedomug.pdf
    • http://thesplinteredmind.com/uploads/1/3/0/3/130313010/5553599.pdf
    • http://74-123-77-221.mgwnet.com/uploads/1/3/0/6/130604931/130604931.html#aconitum+15+ch+omeopatia
    • http://visionary-affairs.com/uploads/1/3/0/7/130776246/titezuj-sobenefolazavi-kipepizakib

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000046f8.bin
2bdeafc114c6882940aebdf63c4000f26e21e187513a8c8b6fcd42d76ebd1d5f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x46F8 8868 bytes

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