Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe2bdd7c51bf3044…

MALICIOUS

PDF

30.4 KB Authoring application: Adobe PDF Library 9.0
MD5: cff431c42cd3c726d00373ca704a83cb SHA-1: cce7f31c2aa5d88b2c5679ec69bcb272111594c1 SHA-256: fe2bdd7c51bf304428497d12196d9978689d4053da73f14e6a1c9f41960470e2
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique commonly used to distribute malicious content or conduct phishing campaigns. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery through the linked documents.

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.
  • 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://odorkontrols.com/uploads/1/3/0/2/130272483/9162048.pdf
    • http://briarwoodestatesapt.com/uploads/1/3/0/5/130551764/ef1bf38aed4c.pdf
    • http://skidayz.co/uploads/1/3/0/6/130604079/kesedapuf_nulekoz_viperorebab_sevavumeged.pdf
    • http://dhillon-s-ltd.com/uploads/1/3/0/6/130621353/5036096.pdf
    • http://stayhererentals.com/uploads/1/3/0/7/130776745/baxasisil-dakezes.pdf
    • http://thetranquilgoat.com/uploads/1/3/0/7/130776211/03d9ad5a9.pdf
    • http://471633614246918175.com/uploads/1/3/0/4/130488157/9628052.pdf
    • http://davebaskind.com/uploads/1/3/0/6/130639573/6219681.pdf
    • http://regrettheerror.net/uploads/1/3/0/6/130620838/4d91e6ecafa0f5.pdf
    • http://thebigskyconservancy.com/uploads/1/3/0/8/130873890/vovojo_voguremu_jiselelivu.pdf
    • http://cecilyeiferle.com/uploads/1/3/0/7/130740026/130740026.html#esl+modals+of+obligation+exercises

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001ffe.bin
18079b61d1877d5fe326080323da8367c494209e3978125d509697144d8301d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1FFE 8068 bytes

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