Malicious PDF — malware analysis report

Static analysis result for SHA-256 0dac77a8f7b49004…

MALICIOUS

PDF

19.4 KB Created: 2019-09-27 13:20:38 +01:00 Authoring application: mPDF 5.7
MD5: 95f9c4043bfce71101517ffdfd441742 SHA-1: dffd503f847443d3c4b44a2180a082cccf1e9aa4 SHA-256: 0dac77a8f7b49004b26854bd67a6fa74fceabb969a0f9b40ed600ffbb9a8d9b1
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified as a link farm. While the ML classifier flagged this as malicious, the specific intent beyond SEO manipulation or hosting potentially malicious content on linked sites is unclear. The document body is heavily obfuscated, preventing a clear understanding of its direct purpose.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/6734734730735738/Healing-Developmental-Trauma-How-Early-Trauma-Affects-Self-Regulation-Self-Image-and-the-Capacity-for-Relationship-by-Laurence-Heller.pdf
    • http://cefasfese.4pu.com/3734730731736732/The-Queen-s-Exiles-Thornleigh-6-by-Barbara-Kyle.pdf
    • http://cefasfese.4pu.com/1730734734730739/The-Queen-of-the-Pharisees-Children-by-Barbara-Willard.pdf
    • http://cefasfese.4pu.com/2735731737734732/Queen-Takes-Queen-Their-Vampire-Queen-3-by-Joely-Sue-Burkhart.pdf
    • http://cefasfese.4pu.com/3739738739735738/Trauma-Junkie-Trauma-Junkie-1-by-Tom-Hobbs.pdf
    • http://cefasfese.4pu.com/5730731735732732/The-Queen-Mother-The-Untold-Story-of-Elizabeth-Bowes-Lyon-Who-Became-Queen-Elizabeth-The-Queen-Mother-by-Lady-Colin-Campbell.pdf
    • http://cefasfese.4pu.com/4737736738735735/The-Lady-Queen-The-Notorious-Reign-of-Joanna-I-Queen-of-Naples-Jerusalem-and-Sicily-by-Nancy-Goldstone.pdf
    • http://cefasfese.4pu.com/2734739733730/The-Summer-Queen-The-Snow-Queen-Cycle-3-by-Joan-D-Vinge.pdf
    • http://cefasfese.4pu.com/3734731736736/The-Queen-of-Attolia-The-Queen-s-Thief-2-by-Megan-Whalen-Turner.pdf
    • http://cefasfese.4pu.com/1730734735730737/The-Unruly-Queen-The-Life-of-Queen-Caroline-by-Flora-Fraser.pdf
    • http://cefasfese.4pu.com/2735731731737738/The-Queen-and-Lord-M-Queen-Victoria-2-by-Jean-Plaidy.pdf
    • http://cefasfese.4pu.com/6734737735/The-Fire-Queen-The-Hundredth-Queen-2-by-Emily-R-King.pdf
    • http://cefasfese.4pu.com/4732737733738737/The-Queen-s-Resistance-The-Queen-s-Rising-2-by-Rebecca-Ross.pdf
    • http://cefasfese.4pu.com/1735733736735735/The-Queen-s-Husband-Queen-Victoria-3-by-Jean-Plaidy.pdf
    • http://cefasfese.4pu.com/1735737734739739/The-Cursed-Queen-The-Impostor-Queen-2-by-Sarah-Fine.pdf
    • http://cefasfese.4pu.com/7739736731/Daughters-of-the-Winter-Queen-Four-Remarkable-Sisters-the-Crown-of-Bohemia-and-the-Enduring-Legacy-of-Mary-Queen-of-Scots-by-Nancy-Goldstone.pdf
    • http://cefasfese.4pu.com/5737733734730733/Barbara-Pym-Collection-VMC-3-Books-Set-Crampton-Hodnet-Excellent-Women-No-Fond-Return-of-Love-by-Barbara-Pym.pdf
    • http://cefasfese.4pu.com/4737736736735734/Trauma-Junkie-by-Tom-Hobbs.pdf
    • http://cefasfese.4pu.com/1736739739739/Trauma-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/1730735734739738/Trauma-by-Patrick-McGrath.pdf

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