Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7f6fc797f42cc75…

MALICIOUS

PDF

30.0 KB Authoring application: Poppler-utils
MD5: d1e07ab2db307a1bbb429b1b21dcb6b7 SHA-1: eb65ff4e1aa8e539e99fadf9f3d1df62f9ca99ab SHA-256: e7f6fc797f42cc759689d659770d88fc47936d60138caba06809f7024e8df273
92 Risk Score

Malware Insights

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

The file is a PDF document that contains embedded URLs pointing to other PDF files and an HTML page. The document body text advertises free paid filters for the VSCO application, a common lure for phishing or malware distribution. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://cyberaffairs.com/uploads/1/3/0/7/130739499/591da7fb20c.pdf
    • http://mobilebillboardspaloalto.com/uploads/1/3/0/6/130639495/7114092.pdf
    • http://rachelscala.com/uploads/1/3/0/4/130488195/663129.pdf
    • http://nationalriskmanagementgroup.com/uploads/1/3/0/7/130775045/130775045.html#vsco+paid+filters+free++ios

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000f7c.bin
062b8903c90ae3c7424939b806cb8fc77e73eef7aa790027dbf28f73782942b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF7C 8020 bytes

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