Malicious PDF — malware analysis report

Static analysis result for SHA-256 57eae1c3f52ffee4…

MALICIOUS

PDF

34.8 KB Authoring application: SWFTools
MD5: 92e400381ad18d8db5e7aaab3e8d4c23 SHA-1: b4aa75f521836a24a2d701c0ba8b899b464dd02a SHA-256: 57eae1c3f52ffee448996f117024a80ae7f98f433dd7995815d8416f8ae3a33c
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This behavior is indicative of a link farm or SEO spam campaign, designed to drive traffic to potentially malicious or low-quality content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic-driving intent.

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://reikismithnet.net/uploads/1/3/0/3/130313314/4144620.pdf
    • http://cpanel.atelierstlouis.com/uploads/1/3/0/9/130969169/nasejebiwu.pdf
    • http://optoutlaw.com/uploads/1/3/0/6/130621622/1a814db49d98.pdf
    • http://ww.bgcv.org/uploads/1/3/0/2/130270768/vopiguso.pdf
    • http://transportedepianosymudanza.com/uploads/1/3/0/5/130589037/4962081.pdf
    • http://yayanetnyc.com/uploads/1/3/0/7/130775009/5090642.pdf
    • http://radiodagen.nl/uploads/1/3/0/3/130379061/b1fccefe7dcc.pdf
    • http://www.fogartyplanthireltd.com/uploads/1/3/0/9/130969357/nilaraxuni.pdf
    • http://readyourheartout.net/uploads/1/3/0/5/130588289/zezaduvuzakerek.pdf
    • http://carpets.casadedios.us/uploads/1/3/0/4/130478868/pisaged.pdf
    • http://cpanel.melangeforthehome.com/uploads/1/3/0/8/130814238/lunuxoj-todisatuwigufad-gipukajevax-duwim.pdf
    • http://naturalperformancerehab.com/uploads/1/3/0/5/130551004/e28b0256527b.pdf
    • http://kreativekidsworld.com/uploads/1/3/0/6/130639763/130639763.html#ielts+model+essay+band+8

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031b0.bin
8d6668dc614140aae742a3aee547223dcd32b2e4ba206de0f7062493ce0bbf3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31B0 7300 bytes

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