Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0d88387319c2f33…

MALICIOUS

PDF

56.9 KB Authoring application: Pdftk
MD5: 90c200bc219007bf17b921fafba07777 SHA-1: 7c9bdc375d645f599c94a9957346a63817ae611e SHA-256: e0d88387319c2f33900b985f00290ce760aa5a97040398192cbd508a686316c0
120 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a PDF_SEO_LINK_FARM heuristic firing, indicating the presence of numerous external links within the document. These links, including http://cpt-you-are-not-alone.com/uploads/1/3/0/2/130289177/9985061.pdf, are likely part of a phishing or malware distribution scheme.

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://cpt-you-are-not-alone.com/uploads/1/3/0/2/130289177/9985061.pdf
    • http://fairvotepiercecounty.org/uploads/1/3/0/5/130589054/d53cf251e411.pdf
    • http://alfrid.io/uploads/1/3/0/4/130476984/109f7390f.pdf
    • http://woodlandstuition.com/uploads/1/3/0/8/130813903/130813903.html#gta+san+andreas+cheat+codes+ps2+helicopter

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001073.bin
908aa9e48abca212b7294bb82777076330173f603e6a946c0dc1b0f11a94d509		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1073 8324 bytes

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