Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a8ae57dede8935d…

MALICIOUS

PDF

15.3 KB Created: 2019-11-28 22:26:27 +00:00 Authoring application: mPDF 5.7
MD5: d020868cdc6733ae4228b0def16b793d SHA-1: fbaf3144a7dfcfa9732fb977b3630d61b671b752 SHA-256: 7a8ae57dede8935d622003ae937c6fac73d490c3292592179bd69409de450717
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, forming a link farm that directs users to external PDF documents. This behavior is indicative of a SEO poisoning or link-farming attack, likely intended to drive traffic or potentially distribute further malicious content. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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/1730731738731732/All-Is-Well-The-Miracle-of-Christmas-in-July-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/8738734737738/Frank-Peretti-Value-Pack-Prophet-Piercing-the-Darkness-This-Present-Darkness-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/2731735732739737/The-Oath-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/1731734734732738734/All-about-Helping-Others-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/3735738738730/House-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/1731734734731739738/All-About-Faith-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/2733735734732736/Illusion-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/6732733735733/Illusion-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/1738731732738733/Nightmare-Academy-Veritas-Project-2-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/3737733734736736/The-Tombs-of-Anak-The-Cooper-Kids-Adventures-3-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/3737734739735733/The-Deadly-Curse-of-Toco-Rey-The-Cooper-Kids-Adventures-6-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/1731734734731739730/Wild-amp-Wacky-Totally-True-Bible-Stories---All-about-Courage-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/1731734734731739739/Wild-amp-Wacky-Totally-True-Bible-Stories-All-About-Angels-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/1731734734732738733/Wild-amp-Wacky-Totally-True-Bible-Stories-All-about-Salvation-by-Frank-E-Peretti.pdf
    • http://cefasfese.4pu.com/1730735735737737735/German-business-after-the-economic-miracle-by-Frank-Vogl.pdf
    • http://cefasfese.4pu.com/3730738733737730/A-Christmas-Miracle-by-Willow-Cross.pdf
    • http://cefasfese.4pu.com/4736739738736730/A-Christmas-Miracle-in-Pajaro-Bay-by-Barbara-Cool-Lee.pdf
    • http://cefasfese.4pu.com/8732738731733/Miracle-and-Other-Christmas-Stories-by-Connie-Willis.pdf
    • http://cefasfese.4pu.com/5730732732734734/The-Christmas-Spider-s-Miracle-by-Trinka-Hakes-Noble.pdf
    • http://cefasfese.4pu.com/3732738733735/This-Present-Darkness-Darkness-1-by-Frank-E-Peretti.pdf

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