Malicious PDF — malware analysis report

Static analysis result for SHA-256 a34b61572b3c3954…

MALICIOUS

PDF

16.7 KB Created: 2019-05-06 17:51:19 +01:00 Authoring application: mPDF 5.7
MD5: dd234ed27e162857a115a0803119c5a8 SHA-1: 4b80d149cfb8bd66e463e4cf8f94a63993012dbe SHA-256: a34b61572b3c39544264174c46e41b5d377a899f98aff45dbd028e9320f84340
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the PDF structure and link farm heuristic suggest a delivery mechanism for potentially harmful content hosted on the `cmeinasaoo.duckdns.org` domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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://cmeinasaoo.duckdn
    • http://cmeinasaoo.duckdns.org/4b25b24b23b20b25/The-Emperor-s-Edge-Collection-The-Emperor-s-Edge-1-3-by-Lindsay-Buroker.pdf
    • http://cmeinasaoo.duckdns.org/2b23b29b25b21b26/Ice-Cracker-II-And-Other-Stories-The-Emperor-s-Edge-1-5-by-Lindsay-Buroker.pdf
    • http://cmeinasaoo.duckdns.org/6b25b29b28b25/The-Assassin-s-Curse-The-Emperor-s-Edge-2-5-by-Lindsay-Buroker.pdf
    • http://cmeinasaoo.duckdns.org/6b24b21b28b26/Beneath-the-Surface-The-Emperor-s-Edge-5-5-by-Lindsay-Buroker.pdf
    • http://cmeinasaoo.duckdns.org/1b20b25b29b28b24b29/The-Immortal-Emperor-The-Life-and-Legend-of-Constantine-Palaiologos-Last-Emperor-of-the-Romans-by-Donald-M-Nicol.pdf
    • http://cmeinasaoo.duckdns.org/2b29b22b28b23b23/Emperor-Series-Collection-The-Gods-Of-War-The-Field-Of-Swords-The-Death-Of-Kings-The-Gates-Of-Rome-by-Conn-Iggulden.pdf
    • http://cmeinasaoo.duckdns.org/8b26b20b22b29/Beyond-the-Reflection-s-Edge-Echoes-from-the-Edge-1-by-Bryan-Davis.pdf
    • http://cmeinasaoo.duckdns.org/2b26b27b21b23b28/Edge-Romance-on-the-Edge-Book-1-by-Tiffinie-Helmer.pdf
    • http://cmeinasaoo.duckdns.org/1b23b26b25b22b21/Edge-of-Dark-The-Glittering-Edge-1-by-Brenda-Cooper.pdf
    • http://cmeinasaoo.duckdns.org/3b25b23b28b28b23/Edge-of-Retribution-Edge-1-by-Jacob-Chance.pdf
    • http://cmeinasaoo.duckdns.org/2b25b22b24b22/Edge-of-Sanity-Edge-3-by-Shannon-K-Butcher.pdf
    • http://cmeinasaoo.duckdns.org/1b26b21b22b24b28/Driven-to-the-Edge-Tales-from-the-Edge-7-by-L-M-Somerton.pdf
    • http://cmeinasaoo.duckdns.org/8b25b23b26b21b29/A-Weekend-at-The-Edge-Tales-From-the-Edge-4-1-by-L-M-Somerton.pdf
    • http://cmeinasaoo.duckdns.org/3b24b22b24b27b28/Fate-s-Edge-The-Edge-3-by-Ilona-Andrews.pdf
    • http://cmeinasaoo.duckdns.org/4b29b20b24b22b24/Razor-s-Edge-Edge-2-by-Shannon-K-Butcher.pdf
    • http://cmeinasaoo.duckdns.org/2b22b26b28b26b21/The-Edge-of-Reason-Edge-1-by-Melinda-M-Snodgrass.pdf
    • http://cmeinasaoo.duckdns.org/1b26b21b21b23b24/Dancing-on-the-Edge-Tales-from-the-Edge-3-by-L-M-Somerton.pdf
    • http://cmeinasaoo.duckdns.org/2b21b29b29b29b25/Edge-Romance-on-the-Edge-1-by-Tiffinie-Helmer.pdf
    • http://cmeinasaoo.duckdns.org/8b22b26b26/The-Edge-of-Everything-The-Edge-of-Everything-1-by-Jeff-Giles.pdf
    • http://cmeinasaoo.duckdns.org/1b27b20b20b23b22/Temptation-s-Edge-Edge-3-by-Eve-Berlin.pdf

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