Malicious PDF — malware analysis report

Static analysis result for SHA-256 da20055078fed0f7…

MALICIOUS

PDF

15.7 KB Created: 2019-09-27 13:20:56 +01:00 Authoring application: mPDF 5.7
MD5: cb912e34666d7b5f2dd3d8af94fb7baa SHA-1: de8d8dbb9bb53e76db82f6ab12aab77cb14de553 SHA-256: da20055078fed0f767248e10716372a2944a20a60e4522328a45b9985ddb03bb
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was not readable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

Heuristics 2

  • 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.
  • 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://cefasfese.4pu.com/1730737730737736735/Beauty-amp-the-Beast-Vendetta-Beauty-amp-the-Beast-1-by-Nancy-Holder.pdf
    • http://cefasfese.4pu.com/2731731730734734/A-Tale-of-Beauty-and-Beast-A-Retelling-of-Beauty-and-the-Beast-Beyond-the-Four-Kingdoms-2-by-Melanie-Cellier.pdf
    • http://cefasfese.4pu.com/2730734738739736/Beauty-and-the-Beast-Beauty-and-the-Beast-1-by-Barbara-Hambly.pdf
    • http://cefasfese.4pu.com/8737737731730/Beauty-A-Retelling-of-the-Story-of-Beauty-and-the-Beast-by-Robin-McKinley.pdf
    • http://cefasfese.4pu.com/3737730737739734/Hunted-An-Erotic-Retelling-of-Beauty-and-the-Beast-Hunted-by-the-Beast-1-5-by-Cerys-du-Lys.pdf
    • http://cefasfese.4pu.com/2737736733732739/The-Beauty-of-a-Beast-by-starofjems.pdf
    • http://cefasfese.4pu.com/2730733731730730/Beauty-and-His-Beast-by-Bey-Deckard.pdf
    • http://cefasfese.4pu.com/3734736739738739/Of-Beast-and-Beauty-by-Stacey-Jay.pdf
    • http://cefasfese.4pu.com/4731737731735735/Beauty-and-the-Beast-by-Marianna-Mayer.pdf
    • http://cefasfese.4pu.com/4731736738734737/Beauty-and-the-Beast-by-Mahlon-F-Craft.pdf
    • http://cefasfese.4pu.com/4734735733739733/Beauty-in-the-Beast-by-Christine-Danse.pdf
    • http://cefasfese.4pu.com/2737736731737733/Beauty-and-the-Beast-by-Hannah-Howell.pdf
    • http://cefasfese.4pu.com/2737736737733738/Beauty-is-the-Beast-Vol-1-by-Tomo-Matsumoto.pdf
    • http://cefasfese.4pu.com/3735732736735737/Beauty-s-Beast-by-Amanda-Ashley.pdf
    • http://cefasfese.4pu.com/2734739732736733/Beauty-and-the-Beast-by-Deatri-King-Bey.pdf
    • http://cefasfese.4pu.com/1739739737737736/Beauty-and-the-Beast-by-Teddy-Slater.pdf
    • http://cefasfese.4pu.com/9732730730739739/Beauty-Kills-the-Beast-by-Astrid-Hoffmann.pdf
    • http://cefasfese.4pu.com/5736739733735733/Beauty-and-the-Beast-Not-Quite-the-Fairy-Tale-3-by-May-Sage.pdf
    • http://cefasfese.4pu.com/3738739736735738/Beauty-Dominates-the-Beast-by-Hannah-Hale.pdf
    • http://cefasfese.4pu.com/2730734733731732/Sleeping-Beauty-and-the-Beast-by-Melissa-Lemon.pdf
    • http://cefasfese.4pu.com/4731737731735735/Beauty-and-the-Beast-by-Marianna

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