Malicious PDF — malware analysis report

Static analysis result for SHA-256 0eeeba991a049f4f…

MALICIOUS

PDF

40.0 KB Authoring application: GIMP
MD5: 4d26db44b38863da7162ed36b1291279 SHA-1: e8ae607eb8a30cb0ec08bd0148023a6eb00ccf49 SHA-256: 0eeeba991a049f4f04750ca97ce08e54df218fe84cf716f45abdfeabc4a466f5
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. ClamAV also detected this as Pdf.Phishing.TtraffRobotInstall, suggesting a phishing or malicious content distribution intent. The embedded URLs are likely used to redirect users to malicious sites or to download further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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 https://tujenijidipolat.weebly.com/uploads/1/3/0/5/130589213/8791752.pdf
    • http://mixedattainmentteaching.com/uploads/1/3/0/6/130621506/7766460.pdf
    • http://mrsscunningham.com/uploads/1/3/0/5/130551898/kejipujuvo.pdf
    • http://discoverreps.com/uploads/1/3/0/6/130604798/1671a6eb.pdf
    • http://myartscout.com/uploads/1/3/0/6/130621495/84f49607998.pdf
    • http://crosleyoutdoorproducts.com/uploads/1/3/0/5/130550961/1382458.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010f3.bin
66aaa82c773cb19c06e457a027797512200419012d174daf5c4d00d1d6e2c3d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10F3 8240 bytes
font_01_sfnt_off00006d9d.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D9D 2652 bytes

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