Malicious PDF — malware analysis report

Static analysis result for SHA-256 d636ab32ec93cca6…

MALICIOUS

PDF

39.3 KB Authoring application: Inkscape
MD5: f0f49bb97af779385afc59b97eaeabc9 SHA-1: 22376ed010b9d67ad9ccd21c5a640fd875d9c63c SHA-256: d636ab32ec93cca6197a9df25c1cc90c1cca18c53bcc60eba0d01b6503b80d50
150 Risk Score

Malware Insights

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

The PDF file 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 as a phishing or traffic-generating tool. The embedded URLs point to a domain commonly associated with SEO spam and potentially malicious content distribution.

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://no1pornreviews.com/uploads/1/3/0/3/130323260/fazekufu.pdf
    • http://www.mohannadgharaibeh.com/uploads/1/3/0/7/130775368/17de5.pdf
    • http://www.dreamplacebedding.com/uploads/1/3/0/3/130323697/2625161.pdf
    • http://downfortheride.com/uploads/1/3/0/5/130539095/fbefab.pdf
    • http://c3industriesllc.com/uploads/1/3/0/3/130379841/6578bae779.pdf
    • http://mobilenaturalmedicine.com/uploads/1/3/0/6/130621011/gevivotarugev-jijotad-wisokufo.pdf
    • http://organisationalinterventions.org/uploads/1/3/0/5/130551302/tuvubenuw.pdf
    • http://okcommunity.net/uploads/1/3/0/8/130873944/8249854.pdf
    • http://kreativekidsworld.com/uploads/1/3/0/5/130590395/gilosawawapu_dokufa_tilojetoxiwoga.pdf
    • http://edemtec.com/uploads/1/3/0/6/130620795/9ebf21b5ffc7f6.pdf
    • http://puretaiji.com/uploads/1/3/0/6/130620233/wodasonodogox-jixob-wisokivopipoxaj.pdf
    • http://burkjackson.com/uploads/1/3/0/8/130813533/tixilezi.pdf
    • http://stjames-madnews.net/uploads/1/3/0/5/130539940/bidanuxudurufanesali.pdf
    • http://shopninetwentyone.com/uploads/1/3/0/5/130588997/riporositimi.pdf
    • http://4angelstshirts.com/uploads/1/3/0/5/130588885/130588885.html#medical+office+manager+job+requirements
    • http://stjames-madnews.net/uploads/1/3/0/5/13053994

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003f44.bin
67046a6a3a7cc70a0a4abe4e767263cdd80043afc5c310bdbfad8105c4f4ce1f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3F44 8032 bytes

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