Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0ce3d3e31a854e7…

MALICIOUS

PDF

41.9 KB Authoring application: SWFTools
MD5: 9e67cde317b76eb5942b94e6a77e1a3d SHA-1: 404eb800926b20b71126f555812c7bec03e58c56 SHA-256: c0ce3d3e31a854e7c51db2a1b2b1d3089c3951d49d050de3b90a5ee5aa1433da
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, characteristic of a link farm designed to distribute malicious content. The document body, though partially corrupted, suggests a lure related to 'Curso violao iniciantes pdf' (Beginner Guitar Course PDF). The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent, likely phishing or malware distribution via the embedded URLs.

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://mrmanateepoolservice.com/uploads/1/3/0/2/130289695/8f7cfd723.pdf
    • http://kitchencocktails.net/uploads/1/3/0/6/130621853/ludozonofin-vonofovud-tipexigeluf-japikesezodos.pdf
    • http://a-aon.com/uploads/1/3/0/4/130436130/6238213.pdf
    • http://post.directory/uploads/1/3/0/5/130589268/rarolumaxep_toxarerasan_fukikozaxo.pdf
    • http://mwwrenovations.com/uploads/1/3/0/6/130640105/2731410.pdf
    • http://tcca.shop/uploads/1/3/0/3/130313006/wekedek.pdf
    • http://makercenterusa.com/uploads/1/3/0/3/130379824/130379824.html#curso+violao+iniciantes+pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011c4.bin
ae2980671d87b77bca3792601165b8c40c16dfa6163e063444693a77c24df4b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11C4 10656 bytes
font_01_sfnt_off000068e0.bin
a1600c79331cba21b3b4a1f056a9d989f02b1280d9db796053b5096bff0b23f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68E0 2000 bytes

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