Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd8784fd567b8a4f…

MALICIOUS

PDF

38.2 KB Authoring application: pdf-parser
MD5: 0180fae07ab6f6d4e26e238804d9257e SHA-1: b31d63c6a8dbb69cad60d005fc71e5ff53d8bff2 SHA-256: dd8784fd567b8a4fb5e50523a349f53d319432cb29ee3351f3a51c63d1478798
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to other PDF files hosted on various domains, a technique often used for SEO poisoning or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The document body, though partially corrupted, references a Toyota Avalon owner's manual, suggesting a lure to trick users into downloading further malicious content.

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://bisconsulting.it/uploads/1/3/0/4/130477028/sozuno-porugorosaw.pdf
    • http://acerecoverygroup.com/uploads/1/3/0/4/130483540/6989703.pdf
    • http://nimatennis.com.au/uploads/1/3/0/5/130551488/bopegobusodumuj.pdf
    • http://asharedjourney2018.com/uploads/1/3/0/5/130551418/8116570.pdf
    • http://myweeklyonline.com/uploads/1/3/0/4/130436058/62b62739.pdf
    • http://robinson-david.com/uploads/1/3/0/5/130588590/5244616.pdf
    • http://dog-gonefancy.com/uploads/1/3/0/2/130272352/6808724.pdf
    • http://mjeportfolios.com/uploads/1/3/0/5/130538992/a1d21a89ecf75.pdf
    • http://mcginnecommconsulting.com/uploads/1/3/0/5/130546432/ruponetezo.pdf
    • http://mammafysio.se/uploads/1/3/0/4/130436209/6591425.pdf
    • http://2enkindle.com/uploads/1/3/0/3/130323392/4204967.pdf
    • http://food.work/uploads/1/3/0/2/130271095/83947ca0.pdf
    • http://adaradecor.com/uploads/1/3/0/2/130271157/3269081.pdf
    • http://laralavenderoils.com/uploads/1/3/0/6/130604434/d5ab69.pdf
    • http://sherrymarze.com/uploads/1/3/0/5/130543538/881509.pdf
    • http://misssoutheastpageantry.us/uploads/1/3/0/2/130291556/130291556.html#2015+toyota+avalon+limited+owners+manual

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013e5.bin
d085072268dcfe2e4a38b0e18184771c672a62f599269aeef720edfe58748d7f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13E5 9548 bytes

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