Malicious PDF — malware analysis report

Static analysis result for SHA-256 815d193503a8f789…

MALICIOUS

PDF

17.6 KB Created: 2020-01-03 01:54:17 +00:00 Authoring application: mPDF 5.7
MD5: e17616e6777391aa23b2f2059e14d8f7 SHA-1: 336a108ca0d7841afdc155e403e2247fe53786a0 SHA-256: 815d193503a8f789739d0d565db60ab7ae68131f273b02d105fd5405d0e4e581
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious. While the URLs themselves are currently marked as benign, the sheer volume and the suspicious domain suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

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/8739738733736732/Egyptian-Scarab-Oracle-With-Book-and-30-Scarab-Pieces-Drawstring-Pouch-by-DeTraci-Regula.pdf
    • http://cefasfese.4pu.com/8739738733735732/The-Mysteries-of-Isis-Her-Worship-amp-Magick-by-DeTraci-Regula.pdf
    • http://cefasfese.4pu.com/2737733733730737/Accessory-The-Scarab-Beetle-4-by-C-L-Stone.pdf
    • http://cefasfese.4pu.com/2738731737736734/Liar-The-Scarab-Beetle-2-by-C-L-Stone.pdf
    • http://cefasfese.4pu.com/6733739737738/The-Golden-Scarab-Quest-1-by-S-W-Lothian.pdf
    • http://cefasfese.4pu.com/7732733739730/Thief-The-Scarab-Beetle-1-by-C-L-Stone.pdf
    • http://cefasfese.4pu.com/3737733731733737/The-Scarab-Path-Shadows-of-the-Apt-5-by-Adrian-Tchaikovsky.pdf
    • http://cefasfese.4pu.com/5730732736739731/Scarab-Akhenaten-The-Amarnan-Kings-1-by-Max-Overton.pdf
    • http://cefasfese.4pu.com/2730738733737737/Curse-of-the-Scarab-Big-Honey-Dog-Mysteries-1-by-H-Y-Hanna.pdf
    • http://cefasfese.4pu.com/3731732730732735/The-Secret-of-the-Sacred-Scarab-by-Fiona-Ingram.pdf
    • http://cefasfese.4pu.com/5736737735735735/The-Scarab-Heart-The-Involuntary-Medium-2-by-Michael-Gallagher.pdf
    • http://cefasfese.4pu.com/4731739736730738/Heart-Scarab-Taking-Shield-2-by-Anna-Butler.pdf
    • http://cefasfese.4pu.com/7735737733735730/The-Scarab-Murder-Case-A-Philo-Vance-Mystery-5-by-S-S-Van-Dine.pdf
    • http://cefasfese.4pu.com/1731735733736733732/Lenormand-Weisse-Eule-36-neu-kolorierte-Lenormand-Karten-mit-Anleitungsb-chlein-Ill-v-Fiechter-Regula-E-Deutsch-36-farb-Ktn---by-Regula-E-Fiechter.pdf
    • http://cefasfese.4pu.com/1731735733736735738/The-Egyptian-Book-of-the-Dead-The-Book-of-Coming-Forth-by-Day-by-Muata-Ashby.pdf
    • http://cefasfese.4pu.com/2735736730732732/The-Egyptian-Book-of-the-Dead-The-Book-of-Going-Forth-by-Day-by-E-A-Wallis-Budge.pdf
    • http://cefasfese.4pu.com/7738737735735732/The-Jacks-Book-amp-the-Jacks-With-14-Jacks-Red-Rubber-Ball-and-Pouch-by-Sally-Chabert.pdf
    • http://cefasfese.4pu.com/2738730733739734/The-Egyptian-Book-of-the-Dead-by-Anonymous.pdf
    • http://cefasfese.4pu.com/2738735737733/This-Time-Justice-The-Oracle-Book-1-by-Liz-Roadifer.pdf
    • http://cefasfese.4pu.com/2730737735736732/Dark-Oracle-Oracle-1-by-Alayna-Williams.pdf

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