Malicious PDF — malware analysis report

Static analysis result for SHA-256 fca99fef8debbb31…

MALICIOUS

PDF

38.8 KB Authoring application: Karbon
MD5: 6a0b731190817dffcc93973d0cdc46b4 SHA-1: 9bf7a0320b6878dda2a8101de0304a17a3e7a765 SHA-256: fca99fef8debbb3181d41d83450523ee6d53fa37cdf10f7488b6b2322fc325e9
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious distribution intent. No scripts were extracted, limiting the analysis of direct execution capabilities. The document body content is heavily corrupted and unreadable.

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://tropicinnovation.com/uploads/1/3/0/6/130604793/xetuzururojutot.pdf
    • http://misssampson.com/uploads/1/3/0/3/130379314/0a85ca.pdf
    • http://succeed.ummta.org/uploads/1/3/0/7/130740316/xejuwuriteferafafu.pdf
    • http://sidewalkstour.com/uploads/1/3/0/8/130873916/9694353.pdf
    • http://jimandcarolgarlow.com/uploads/1/3/0/6/130604708/1119920.pdf
    • http://plumasrentals.com/uploads/1/3/0/6/130621361/22e9fdb9c6448.pdf
    • http://carepregnancysalem.org/uploads/1/3/0/3/130379305/4047511.pdf
    • http://4streets.org/uploads/1/3/0/7/130739006/sikunad.pdf
    • http://brigitte-puschmann-studio.com/uploads/1/3/0/3/130312965/6115771.pdf
    • http://jeffandeo.com/uploads/1/3/0/6/130620244/687b3b17.pdf
    • http://nutmeg-labradoodles.com/uploads/1/3/0/2/130289601/sigaranosigipos-lufusazu-xezeviduzusumo-renipo.pdf
    • http://oaklandpoolcare.com/uploads/1/3/0/4/130490036/xazasuputavo.pdf
    • http://meridian-dcg.com/uploads/1/3/0/4/130436204/0672f.pdf
    • http://romehotels.nl/uploads/1/3/0/7/130740368/sovugaj-tafowikiwukifil-luguke-vefugupas.pdf
    • http://jiuzhouyulechengnet.br3h.com/uploads/1/3/0/2/130271113/130271113.html#medication+for+pulled+groin+muscle

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003db7.bin
058e1206c6bc379ba719879665f33875188fe91035fa7fdb7b9f5fbf582386ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3DB7 8068 bytes

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