Malicious PDF — malware analysis report

Static analysis result for SHA-256 01d001dae3260ef8…

MALICIOUS

PDF

34.2 KB Authoring application: Pdftk
MD5: 556c752e2e42dbcb3b0f2b37060a9006 SHA-1: 89fab652451f00a569838ef4298fb397a478149e SHA-256: 01d001dae3260ef8c7ce0ae3feb99174410a3a716fd44cc3016343127df9abee
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute further malicious content. ClamAV detected this file as Pdf.Phishing.TtraffRobotInstall-7605656-0, and an ML classifier also flagged it as malicious. The embedded URLs are the primary IOCs, suggesting a phishing or content distribution campaign.

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 http://koinoniaministryinternational-org.davidmichaeldesigns.com/uploads/1/3/0/6/130604815/7118708.pdf
    • http://ucdemr.com/uploads/1/3/0/5/130589047/78594.pdf
    • http://eefkeduin.nl/uploads/1/3/0/7/130775053/3720746.pdf
    • http://freedomnation.co/uploads/1/3/0/6/130639743/0ed0c0c6.pdf
    • http://tedrabinowitzcopywriter.net/uploads/1/3/0/3/130324451/dinape-xezimupufavinup-zetageviz.pdf
    • http://thesawmillsaloon.com/uploads/1/3/0/5/130542908/cff49cc4cb.pdf
    • http://vflocks.com/uploads/1/3/0/3/130323322/fuvowi.pdf
    • http://jpdickerson.net/uploads/1/3/0/3/130323754/5222405.pdf
    • http://www.perryjp04.com/uploads/1/3/0/4/130477351/4167392.pdf
    • http://nightlynewsnow.com/uploads/1/3/0/8/130813478/6835556.pdf
    • http://120ebaltimore.com/uploads/1/3/0/7/130739607/fabitonofef.pdf
    • http://curvaceouscouturbridalinnh.com/uploads/1/3/0/5/130589413/2932ca0d2b63.pdf
    • http://amazingcreationstaxidermy.com/uploads/1/3/0/2/130288731/rugawokupix.pdf
    • http://www.bsa-sccc-pack301.com/uploads/1/3/0/6/130620782/130620782.html#simile+worksheets+pdf+grade+2

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002d4d.bin
e8bec245aaac853f611b6b9bddf6a0c16d18749c2c4fc434456b61f48104cbc4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D4D 7640 bytes

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