Malicious PDF — malware analysis report

Static analysis result for SHA-256 99e1b3c1bac99440…

MALICIOUS

PDF

39.6 KB Authoring application: PDFedit
MD5: 5aff4fdc4d799e9690eed56510f79031 SHA-1: bbc37cc51c51d093b1e1136a031974d304437a7e SHA-256: 99e1b3c1bac99440336f22d35922c5cb384554e7af61f0ce50afb12d0714b6a6
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file exhibits a critical heuristic firing for PDF_SEO_LINK_FARM, indicating a mass of external links. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or malicious redirection intent. The embedded URLs are likely used to distribute further malicious content or to engage in SEO spam.

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://balance4yourlife.com/uploads/1/3/0/6/130604177/lapudurovavujiber.pdf
    • http://organizedgaming.net/uploads/1/3/0/7/130739007/jorufoze.pdf
    • http://anotherplacecalledhome.net/uploads/1/3/0/3/130323293/5836865.pdf
    • http://bethanystafford.com/uploads/1/3/0/6/130604177/paroposudi.pdf
    • http://mikefaverman.com/uploads/1/3/0/6/130621552/3525194.pdf
    • http://wisteriawren.com/uploads/1/3/0/6/130640128/bamelatidogabi.pdf
    • http://myentouragemusic.com/uploads/1/3/0/6/130604597/130604597.html#caranx+hippos+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001264.bin
de800383480878b4ebb202f151eea98cba5bf647e3d42a18c7a93962f9d2ffbf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1264 9128 bytes

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