Malicious PDF — malware analysis report

Static analysis result for SHA-256 991fd90711220f1a…

MALICIOUS

PDF

21.1 KB Created: 2020-03-18 21:08:14 +00:00 Authoring application: mPDF 5.7
MD5: 6542ff39e998ed1942e16c2beb8b9ec2 SHA-1: 476b9b2caf1c3b9a8f36ee7a219bcd624c3a5288 SHA-256: 991fd90711220f1ae26d7f53d6d51e48d3152a3120763245188fba0759cf4e01
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, constituting a link farm. The primary heuristic, PDF_SEO_LINK_FARM, indicates that the document is designed to drive traffic to these external sites. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9939

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://eascasas.myhome.cx/3aa1aa8aa9aa9aa0/Incredible-Manatees-Fun-Animal-Ebooks-for-Adults-amp-Kids-7-and-Up-With-Facts-amp-Incredible-Photos-Exploring-Our-Incredible-World-Series-by-Mark-Smith.pdf
    • http://eascasas.myhome.cx/3aa1aa8aa6aa8aa9/Incredible-Animal-Dads-Fun-Animal-Books-For-Kids-With-Facts-amp-Incredible-Photos-Exploring-Our-Incredible-World-Children-s-Book-Series-by-Mark-Smith.pdf
    • http://eascasas.myhome.cx/3aa1aa8aa9aa9aa6/Incredible-Animal-Moms-by-Mark-Smith.pdf
    • http://eascasas.myhome.cx/3aa1aa8aa6aa7aa8/Incredible-Lizards-by-Mark-Smith.pdf
    • http://eascasas.myhome.cx/1aa0aa6aa2aa6aa1aa7/The-Incredible-Hulk-War-Incredible-Hulk-454---457-by-Peter-David.pdf
    • http://eascasas.myhome.cx/2aa7aa5aa7aa3/Miss-Smith-s-Incredible-Storybook-by-Michael-Garland.pdf
    • http://eascasas.myhome.cx/7aa9aa2aa1aa9aa6/The-World-s-Most-Incredible-Stories-The-Best-of-Fortean-Times-by-Adam-Sisman.pdf
    • http://eascasas.myhome.cx/3aa3aa1aa3aa9aa9/Paddle-to-the-Arctic-The-Incredible-Story-of-a-Kayak-Quest-Across-the-Roof-of-the-World-by-Don-Starkell.pdf
    • http://eascasas.myhome.cx/4aa4aa1aa2aa1aa3/Maximize-Your-Potential-Grow-Your-Expertise-Take-Bold-Risks-amp-Build-an-Incredible-Career-The-99U-Book-Series-by-Jocelyn-K-Glei.pdf
    • http://eascasas.myhome.cx/8aa0aa4aa5aa4/A-Higher-Call-An-Incredible-True-Story-of-Combat-and-Chivalry-in-the-War-Torn-Skies-of-World-War-II-by-Adam-Makos.pdf
    • http://eascasas.myhome.cx/1aa2aa4aa3aa1aa7/Dive-World-War-II-Stories-of-Sailors-Submarines-in-the-Pacific-The-Incredible-Story-of-U-S-Submarines-in-WWII-by-Deborah-Hopkinson.pdf
    • http://eascasas.myhome.cx/3aa6aa2aa8aa7aa5/Death-And-the-Incredible-Life-After-by-T-N-T-.pdf
    • http://eascasas.myhome.cx/2aa3aa7aa5aa9aa4/The-Incredible-Journey-by-Sheila-Burnford.pdf
    • http://eascasas.myhome.cx/8aa4aa9aa4aa9/The-Incredible-Internet-Knowledge-by-Michael-Cox.pdf
    • http://eascasas.myhome.cx/5aa2aa3aa4aa2aa0/The-Incredible-Voyage-by-Tristan-Jones.pdf
    • http://eascasas.myhome.cx/1aa1aa1aa9aa1aa7aa4/Incredible-Baseball-Feats-by-Jim-Benagh.pdf
    • http://eascasas.myhome.cx/1aa9aa3aa9aa3aa4/The-Incredible-Shrinking-Man-by-Richard-Matheson.pdf
    • http://eascasas.myhome.cx/2aa3aa0aa6aa5aa0/The-Incredible-Incas-by-Terry-Deary.pdf
    • http://eascasas.myhome.cx/7aa3aa9aa8aa0aa8/The-Incredible-Tito-Man-of-the-Hour-by-Howard-Fast.pdf
    • http://eascasas.myhome.cx/3aa9aa1aa0aa6aa9/Marvel-Masterworks-The-Incredible-Hulk-Vol-1-by-Stan-Lee.pdf
    • http://eascasas.myhome.cx/3aa3aa1aa3aa9aa9/Pad

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