Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef574b6a6d942eb6…

MALICIOUS

PDF

36.0 KB Authoring application: Mobipocket Creator
MD5: 8d420a4d82086ab69b65e1f3dade23d1 SHA-1: 60de6dc87657ca8ad5fd6ddeb335512ce4640193 SHA-256: ef574b6a6d942eb61dcfdb1a852e090f946afd74d42251432b4572e9749aa118
120 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ClamAV with the signature Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of embedded URLs, indicating a link farm designed to redirect users to potentially malicious content. The document body contains garbled text and some of the extracted URLs, reinforcing the likelihood of a phishing or malware distribution attempt.

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://mylittleteethers.com/uploads/1/3/0/6/130604626/03297b7.pdf
    • http://stratistechgroup.com/uploads/1/3/0/6/130605258/bc3c7089f8567e.pdf
    • http://al-nusr.net/uploads/1/3/0/4/130490585/molokakanibe.pdf
    • http://oyekanlaws.com/uploads/1/3/0/6/130621143/7460421.pdf
    • http://smyelectricalcontractor.com/uploads/1/3/0/3/130323190/tegavipala.pdf
    • http://cnstrategies.net/uploads/1/3/0/8/130814342/nudurulapo.pdf
    • http://phytocapital.com/uploads/1/3/0/3/130313176/9589496.pdf
    • http://getbabyskin.com/uploads/1/3/0/7/130776715/fanez.pdf
    • http://declareyourday.com/uploads/1/3/0/5/130588745/zarukedovabomata.pdf
    • http://quantasona.org/uploads/1/3/0/7/130775796/sakewi-rufar.pdf
    • http://mysoulsingsstudio.org/uploads/1/3/0/4/130476102/tozeta.pdf
    • http://bsfastigheter.se/uploads/1/3/0/7/130739265/184923.pdf
    • http://nevenann.com/uploads/1/3/0/4/130490036/03a990.pdf
    • http://michiganforrevolution.org/uploads/1/3/0/2/130272509/vobavexet-zopofufopupiwun-mofevovawa-batilarutedavo.pdf
    • http://docsinthecity.com/uploads/1/3/0/6/130604928/wivolugon-xupumarego.pdf
    • http://host246.carmichaelnl.com/uploads/1/3/0/6/130620951/130620951.html#separation+of+protein+by+sds+page+protocol

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003091.bin
57abf821d66259cfa35e2be459f5563586925a11f7746950a88126ba0f24b9ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3091 8932 bytes

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