Malicious PDF — malware analysis report

Static analysis result for SHA-256 e36b56ff34f1f960…

MALICIOUS

PDF

52.1 KB Authoring application: PDFBox
MD5: 6f8c8d1856dbaff13e212566da616179 SHA-1: b1e83209873e9c0a48b8df6b6ffd0a1f11049862 SHA-256: e36b56ff34f1f9601c8cc32ac954985bdf137db25fe293d65bcd43b285bfd9f3
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a coordinated effort to distribute malicious content or engage in SEO spam. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted from this sample.

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://thedevyngunshow.com/uploads/1/3/0/5/130540406/vemoxenapukurex.pdf
    • http://accomozcontact.com/uploads/1/3/0/4/130488773/4376786.pdf
    • http://clearviewglassrepair.com/uploads/1/3/0/6/130604602/neleg.pdf
    • http://rodgersandcoonline.com/uploads/1/3/0/5/130550938/8522658.pdf
    • http://nativelabjp.com/uploads/1/3/0/6/130639755/gixaxazaxagelasop.pdf
    • http://lilacsjoyandgrace.com/uploads/1/3/0/2/130291673/6779403.pdf
    • http://mikeintucson.com/uploads/1/3/0/4/130476024/130476024.html#ias+prelims+study+material+pdf+in+hindi

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010c6.bin
59dcc1b5a1f22f143dbf5134eb9b8d284a79403db78c7a74b6c5975d36eb88bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10C6 8032 bytes
font_01_sfnt_off0000715b.bin
6c1f848eb598643641a650070a08d9c2aeae42398f7926e46fb6d486a835697d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x715B 16036 bytes

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