Malicious PDF — malware analysis report

Static analysis result for SHA-256 faaced1b4583d4ff…

MALICIOUS

PDF

35.2 KB Authoring application: Mobipocket Creator
MD5: 13b18b31c373158963ef503faf046abc SHA-1: 701fe4d64df3aba7453851fedf447c83d22175bf SHA-256: faaced1b4583d4ff0b503d716aa826bf9f8d06e459680de847e084a690daf8dc
150 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of external links, many of which point to PDF files hosted on suspicious domains, indicating a link farm for SEO manipulation. The document body, though partially corrupted, contains references to 'Bhagavathi video songs hd free' and download links, suggesting a lure to trick users into downloading malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://tot.sticken.tech/uploads/2020/01/27/tolibamimezezeleze.pdf
    • http://otelmap.com/uploads/2020/01/27/deponatewaw_rukaxidatomiv_tajorol.pdf
    • http://marleneinteriors.com/uploads/1/3/0/6/130620372/bapixamasoxu_lajiz.pdf
    • https://jawedadozexot.weebly.com/uploads/1/3/0/5/130543156/39c68341c3bd06.pdf
    • http://caminodesantidadsf.com/uploads/1/3/0/2/130287847/xibapipunubi_turapi_tedulodewupolo_zowonafejakoju.pdf
    • https://dolegazori.weebly.com/uploads/1/3/0/3/130313746/mepevuraveni_danukoniv_woritifer_bosonofan.pdf
    • https://walikawunamabag.weebly.com/uploads/1/3/0/3/130313484/5e919ad.pdf
    • http://newperspectivemedical.com/uploads/1/3/0/6/130604402/130604402.html#bhagavathi+video+songs+hd+free

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011b6.bin
afbc99b386ad5ffd80b24859f57e1d4e002805e3f0d25a127e890137121f4a2f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11B6 7916 bytes
font_01_sfnt_off0000447f.bin
99d16bff743c48026d9ab800dd47715f0125eb4f103979075ccb4064a44a636f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x447F 7472 bytes

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