Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f962dbc8a170ed8…

MALICIOUS

PDF

33.7 KB Authoring application: Scribus
MD5: c86cec7934eb7471d6c375231d3aaad4 SHA-1: 93020bf39ac45ba9233f27230cc57ed1c9c3dca8 SHA-256: 1f962dbc8a170ed8aa2fbb2ea69db8b323e71dd0817393d501dc04fc245a2f8d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The SE_LOLBIN_RUN_COMMAND heuristic indicates that the document may contain instructions for executing commands, potentially to leverage these links. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious phishing or traffic-driving intent. The document body itself contains a mix of seemingly random text and the extracted URLs, reinforcing the link farm nature.

Heuristics 4

  • 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
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • 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://acmdev.net/uploads/1/3/0/2/130289238/6158671.pdf
    • http://uservite.com/uploads/1/3/0/6/130605390/pefug.pdf
    • http://cck-iuc.org/uploads/1/3/0/4/130436521/1f0d407e83f43.pdf
    • http://scricco.org/uploads/1/3/0/5/130538818/4687616.pdf
    • http://mobileonegaming.com/uploads/1/3/0/4/130476974/xotit_kazagufon_niseki_vumotukavawuro.pdf
    • http://mynaturalbliss.com/uploads/1/3/0/3/130313114/soduv_setudokozefa.pdf
    • http://therwcmodel.com/uploads/1/3/0/4/130488092/6020640.pdf
    • http://foothillsbiblefellowship.com/uploads/1/3/0/7/130738704/130738704.html#exhibitionist+wife+heather

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000111e.bin
8a407a5561f1345680294c9d0e03a11301f0ae679eb850f2bb64ce8b0d32a323		 pdf-font-stream PDF embedded font (sfnt) at offset 0x111E 8436 bytes

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