Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c9a012f9c49ab94…

MALICIOUS

PDF

43.6 KB Authoring application: SWFTools
MD5: 02916debfd20016f500251bde419c206 SHA-1: 71da1e11d79aa7824536e5ddbb92ebd64866ade3 SHA-256: 6c9a012f9c49ab94bfcc7a034e7186f8ed0d78340e49bf61887a40bca35434c9
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links to external websites, many of which are algorithmically generated and appear to be part of a link farm. The document body mentions "Housefull 4 trailer pagalworld", suggesting a lure to potentially malicious content or phishing sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • 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
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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://mrandersonllc.com/uploads/1/3/0/5/130551896/bofesomo-xexesofiwobo-junobigepidud-piririsanagimaw.pdf
    • http://spotonpetgrooming.com/uploads/1/3/0/4/130483253/71760d.pdf
    • http://lhfieldfamilyfdn.org/uploads/1/3/0/5/130545733/3ae6341d37d.pdf
    • http://yogamamacb.com/uploads/1/3/0/6/130639411/7091427.pdf
    • http://ghatyoga.com/uploads/1/3/0/6/130603919/pibaxebipofubawo.pdf
    • http://notein-between.com/uploads/1/3/0/7/130775275/wogugavafopo.pdf
    • http://antiviruseprotectserviceonline.site/uploads/1/3/0/8/130815437/130815437.html#housefull+4+trailer++pagalworld
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011e7.bin
99bef935d9a6e11d3b4c8c4ddec177764f320ce6a58e6f842c7fdc0e33cb4004		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11E7 10064 bytes
font_01_sfnt_off00006248.bin
8bd981bfb11e6861500cc7c95b2efdf392709f0f6f1d3aef6a8badaf218bc5a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6248 16664 bytes

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