Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a1b64e8c4fb8a18…

MALICIOUS

PDF

151.5 KB Authoring application: Mobipocket Creator
MD5: 4984d316ca002aa77e4e33cb4ec2ccff SHA-1: 52f3bb6acafa12828a0579aeeaa6511fdc4d2b89 SHA-256: 6a1b64e8c4fb8a180a1686d30ee8ca28f44183025c6b1cc28a368eb263a6314b
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains multiple embedded URLs, one of which is flagged as an external URI, suggesting a phishing or malware distribution attempt. The presence of these links within the document body indicates a lure to trick users into navigating to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9440

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://naturalbirthingjoy.com/uploads/1/3/0/6/130603748/niwevigigujezim_jujaduvelaj_kopuvosirez.pdf
    • http://synchrocentral.com/uploads/1/3/0/6/130621521/dikevolupugu.pdf
    • https://soxesexurin.weebly.com/uploads/1/3/0/2/130292089/dugatasu.pdf
    • http://keyofkaye.com/uploads/1/3/0/5/130589223/de0d33.pdf
    • http://precisionskitune.com/uploads/1/3/0/4/130488969/daxotoretetinubibi.pdf
    • http://dripexperience.com/uploads/1/3/0/4/130435688/477929b1cd4ee9b.pdf
    • http://mycarlrogers.com/uploads/1/3/0/3/130323407/puzukavu_godemetezigi_naruwi_sopororujabu.pdf
    • http://blockchainambassador.ca/uploads/1/3/0/6/130620667/130620667.html#captain+america+civil+war+poster+hd
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000159f.bin
b51013c37e22f39791ba066f1176f24ef04eb63769afb5994bd0a685c202c7f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x159F 10088 bytes
font_01_sfnt_off0000e773.bin
63f5e27ee3d24cc00d413e59c301cc73ab377383609796993547673f2bea898c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE773 2600 bytes

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