Malicious PDF — malware analysis report

Static analysis result for SHA-256 a67c35e3ebdd4b4f…

MALICIOUS

PDF

61.8 KB Authoring application: Inkscape
MD5: 776325673b8f5a772579ad5ad1a04697 SHA-1: fc3e6c4bc933135ec4aa7fb9143d0a19d850a465 SHA-256: a67c35e3ebdd4b4f2efd7eac1a0ab3bbe10b03624ae2fe0e422510f577beb9f2
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a phishing campaign. The ClamAV detection further supports the malicious nature of the file. No scripts were extracted from this sample, limiting the analysis of specific execution behaviors.

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://athletesrecycle.com/uploads/1/3/0/5/130588740/9231260.pdf
    • http://pjssnacks.com/uploads/1/3/0/6/130621321/soleme_gutemafapejejak_lepeguzisudu_joxanex.pdf
    • http://soilnstruments.com/uploads/1/3/0/4/130476318/lakabituz.pdf
    • http://rochester-santa.com/uploads/1/3/0/5/130540714/670832.pdf
    • http://mynaturalhairspa.com/uploads/1/3/0/6/130604430/130604430.html#acmg+guidelines+interpretation+sequence+variants

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001141.bin
bb1f8a5681066c18cbc2c328ff5cb1f6dfe8894e3d198cb1bae60c5ac10f6178		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1141 9316 bytes

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