Malicious PDF — malware analysis report

Static analysis result for SHA-256 d20bc857e9d3ebbf…

MALICIOUS

PDF

33.1 KB Authoring application: OpenOffice Draw
MD5: 4665658c2dd1d92b04d1d83d563b669f SHA-1: c55a172531f7d0255dd6052ea57fe0a8812e9643 SHA-256: d20bc857e9d3ebbf6763e0cf86b1ba781ac3f8de4c3c1db53893991466f58662
120 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV with the signature Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of embedded external links, characteristic of SEO spam or phishing lures. The primary heuristic indicates a 'PDF_SEO_LINK_FARM' with 11 external PDF links, suggesting the document's purpose is to redirect users to potentially malicious content hosted on various domains.

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://whackyposts.com/uploads/1/3/0/5/130590076/pezol.pdf
    • http://boutiqueofisanti.com/uploads/1/3/0/6/130621856/bewoj.pdf
    • http://swilliamsphotos.com/uploads/1/3/0/7/130775806/6099048.pdf
    • http://cannabisrunvt.com/uploads/1/3/0/6/130621840/73ce0ab9a8873.pdf
    • http://neokundalini.org/uploads/1/3/0/7/130739218/mibawerejizu-vuxifisirip-lisikixufup.pdf
    • http://jaredborn.net/uploads/1/3/0/3/130323178/geluvuweti.pdf
    • http://stampexinternational.com/uploads/1/3/0/5/130542968/zepiketekinu_bikomape_sinuvor_sowiligivezada.pdf
    • http://rockersandrollers.com/uploads/1/3/0/2/130291441/00c3e25020.pdf
    • http://training-smarter.com/uploads/1/3/0/4/130436367/gezudoxomivasudimefu.pdf
    • http://travelerswineclub.com/uploads/1/3/0/3/130379596/4d7e1c.pdf
    • http://brynmawrrestaurants.com/uploads/1/3/0/8/130874292/6549948.pdf
    • http://kingshotelsmunichcenter.devsite-1.com/uploads/1/3/0/6/130621495/130621495.html#aircraft+body+and+bonded+structure+repairer

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b09.bin
acb6b11430fe4dc22a1b992a2f9190be6bd372c1d67f2f4f828e9928d13248b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B09 7608 bytes

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