Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6b8206786fd746c…

MALICIOUS

PDF

44.9 KB Authoring application: Serif PagePlus
MD5: 840a0908d12ca47e6fca29e0b36aacdc SHA-1: 444176ed2801bd926546bef6c2ab448a313f6226 SHA-256: d6b8206786fd746c8f44257cc9bd1fc7a7041e5a07ee33e6c283143b2d95a6e8
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, which strongly suggests a link farm or phishing lure. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports this. The document body, though heavily obfuscated, contains references to a 'Dell 24 inch gaming monitor' and includes the same URLs found in the heuristics, indicating a deceptive attempt to redirect users to potentially malicious content.

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://nicholassearle.com/uploads/1/3/0/6/130604841/4730958.pdf
    • http://actorsworkshopperth.com/uploads/1/3/0/3/130379757/6570482.pdf
    • http://myflstudio.com.au/uploads/1/3/0/6/130621583/7742512.pdf
    • http://krishnaandnatansh.com/uploads/1/3/0/2/130289418/guzusazarefexovoga.pdf
    • http://muslimmilitarystories.com/uploads/1/3/0/5/130589429/zawudulatizeleserit.pdf
    • http://poppitt.org/uploads/1/3/0/4/130483498/6129839.pdf
    • http://militarywivessurvivalguide.com/uploads/1/3/0/6/130620919/gawironixijoj_galanov_gosisute.pdf
    • http://thehappygirlstore.com/uploads/1/3/0/6/130639766/130639766.html#dell+24+inch+gaming+monitor

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001187.bin
d49822dd6da2be82302db7cf499ef6e380ced9bc72e6471c2443a7ea94807975		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1187 8064 bytes
font_01_sfnt_off00006624.bin
9dbefd29ad56edc3ec27c88540d7d41398a664ae3f1544cdca53ccca226c91b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6624 10764 bytes

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