Malicious PDF — malware analysis report

Static analysis result for SHA-256 56706eb09649e8eb…

MALICIOUS

PDF

100.3 KB Authoring application: Poppler-utils
MD5: 290eb3e49b11ea8040e269b38244f4c2 SHA-1: 5ec4e71e95ccd65a71be95235b2a02f6b8bb9f7c SHA-256: 56706eb09649e8eb9434443ed8f479b7fc1b3bbd85ba4eb1047c73eac610bc4c
152 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule and ClamAV detection for 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The document body contains a large number of embedded URLs, all pointing to external PDF files hosted on various domains. This indicates a link farm designed to redirect users to potentially malicious content, consistent with phishing or malware distribution tactics.

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://fpventurecap.com/uploads/1/3/0/7/130738797/8d299fa75.pdf
    • http://christfitone.com/uploads/1/3/0/7/130738565/tabibusuv_bipaxuxuxunob_lovesiladi.pdf
    • http://3dahardwayinc.net/uploads/1/3/0/6/130620451/lewuxafusobuwozix.pdf
    • http://iamjeffsmith.com/uploads/1/3/0/6/130603926/petuxusu.pdf
    • http://nyman.life/uploads/1/3/0/5/130589078/5746064.pdf
    • http://blkzen.net/uploads/1/3/0/4/130476661/kedowesomesosurutun.pdf
    • http://blitzthetraffickers.com/uploads/1/3/0/6/130621134/3421063.pdf
    • http://mybdtc.com/uploads/1/3/0/6/130605275/6987354.pdf
    • http://www.lasvegaspoolserviceco.com/uploads/1/3/0/2/130270798/b4917c.pdf
    • http://mystaybuddy.com/uploads/1/3/0/4/130489044/fejope-gejumuxapasux-puteg.pdf
    • http://mplusjclothing.org/uploads/1/3/0/4/130488934/depaturotulovozanik.pdf
    • http://100wwclickingcounty.org/uploads/1/3/0/7/130775182/66a1c22d6f61.pdf
    • http://deidredanielle.shop/uploads/1/3/0/7/130775651/165486.pdf
    • http://flex87.pleasingfood.com/uploads/1/3/0/9/130969915/130969915.html#the+absolutely+true+diary+of+a+part-time+indian+chapter+17

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001405.bin
bf52cde98ebe4260c29e697c33a8bf2be831bc686f89999894bfa3d4f1c2e40f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1405 7704 bytes

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