Malicious PDF — malware analysis report

Static analysis result for SHA-256 42626898bcf9874a…

MALICIOUS

PDF

38.7 KB Authoring application: LibreOffice
MD5: 0fa1036ae6d01335d3228fc6ec6f147f SHA-1: 5a1f412cd30638c019cabedd4bc2ad0f7d10ab8f SHA-256: 42626898bcf9874a14679473dd0e9df46246e7e2bd013131d514c69a979ae667
92 Risk Score

Malware Insights

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

The file is a PDF that masquerades as a Bosch oven manual to trick users into downloading further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. Multiple external URLs are embedded, likely serving as download locations for subsequent stages of the attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://galenetics.com/uploads/1/3/0/5/130588850/1b43b.pdf
    • http://reg.cejusthepron.com/uploads/2020/01/29/jujoninalogax_pumobul_xuguvelogek.pdf
    • http://second-childhood.com/uploads/1/3/0/4/130489358/64320981c.pdf
    • http://cgccc.com/uploads/1/3/0/6/130621240/fidivum.pdf
    • http://reboundat.com/uploads/1/3/0/7/130740517/130740517.html#bosch+double+oven+instruction+manual

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000fe0.bin
cf34a6de593910cce1c4fb69da1cbf9ad5acd0db51617f4585e76f5492a7cb0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFE0 7908 bytes

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