Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1cf9d8bda8afc70…

MALICIOUS

PDF

40.2 KB Authoring application: LibreOffice
MD5: 241f164e62710c1fdcbf75ec31cfe09f SHA-1: 3b16337789503def1a0d79b839fbd5a1dec1be2f SHA-256: e1cf9d8bda8afc704df08bec98f4a1f65cbcdc2aa9a54a5b8202364f94a84e0a
94 Risk Score

Malware Insights

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

The file is a PDF document that contains multiple embedded URLs. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The embedded URLs point to other PDF or HTML files, suggesting a multi-stage download or redirection process to deliver a payload. The document body contains garbled text but does include some of the URLs, reinforcing their role in 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://legacyparenting.today/uploads/1/3/0/7/130738667/1229da4.pdf
    • http://simonjohnsonproductions.com/uploads/1/3/0/6/130620834/sogobixavewit.pdf
    • http://food.work/uploads/1/3/0/5/130539265/9cb5e298f0a02da.pdf
    • https://xutebuso.weebly.com/uploads/1/3/0/2/130272945/vufipewijuletigenu.pdf
    • http://cecilyeiferle.com/uploads/1/3/0/5/130544226/130544226.html#regulatory+reporting+investopedia

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000fe9.bin
5f4a48e39df0664a67a4a2ecebe5394a915267fc513c7305ef620009fc3db7a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFE9 7468 bytes
font_01_sfnt_off000056f0.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56F0 16036 bytes

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