Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c553795b5490385…

MALICIOUS

PDF

22.0 KB Created: 2020-03-19 01:46:25 +00:00 Authoring application: mPDF 5.7
MD5: cee539c39503a16720404da400b28a99 SHA-1: 862f4b8ab3276da3c43489cfe8da3a585e18c668 SHA-256: 3c553795b5490385bbbf118f9af6bff3569c17809a2d5e65b4d265f0446b244c
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm, which is a common technique for SEO manipulation or distributing malicious content. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the sheer volume of links and the nature of the heuristic suggest the PDF's primary purpose is to redirect users to potentially harmful external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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://weisncio.myhome.cx/1623628624624627/The-Sources-of-Social-Power-Volume-1-a-History-of-Power-from-the-Beginning-to-Ad-1760-by-Michael-Mann.pdf
    • http://weisncio.myhome.cx/6626621620627624/The-Sources-of-Social-Power-Volume-3-Global-Empires-and-Revolution-1890-1945-by-Michael-Mann.pdf
    • http://weisncio.myhome.cx/2624627627628624/The-Art-of-Social-Media-Power-Tips-for-Power-Users-by-Guy-Kawasaki.pdf
    • http://weisncio.myhome.cx/3627625625629627/Beginning-Ultimate-Power-1-by-April-Margeson.pdf
    • http://weisncio.myhome.cx/1620622622623627/The-Making-Of-The-English-Patient-A-Guide-To-Sources-For-The-Social-History-Of-Medicine-by-Joan-Lane.pdf
    • http://weisncio.myhome.cx/1621625620628628620/A-History-of-New-York-from-the-Beginning-of-the-World-to-the-End-of-the-Dutch-Dynasty-Volume-1-Being-the-Only-Authentic-History-of-the-by-Diedrich-Knickerbocker.pdf
    • http://weisncio.myhome.cx/5626628624622621/The-Power-of-Silence-Social-and-Pragmatic-Perspectives-by-Adam-Jaworski.pdf
    • http://weisncio.myhome.cx/3626626628622629/Power-and-Love-A-Theory-and-Practice-of-Social-Change-by-Adam-Kahane.pdf
    • http://weisncio.myhome.cx/1625624623623624/Who-Rules-America-Power-Politics-and-Social-Change-by-G-William-Domhoff.pdf
    • http://weisncio.myhome.cx/6620629623621/Connected-The-Surprising-Power-of-Our-Social-Networks-and-How-They-Shape-Our-Lives-by-Nicholas-A-Christakis.pdf
    • http://weisncio.myhome.cx/1620626628629629628/Visual-Power-in-Ancient-Greece-and-Rome-Between-Art-and-Social-Reality-by-Tonio-Holscher.pdf
    • http://weisncio.myhome.cx/8621628627623/Last-Sword-of-Power-Stones-of-Power-2-by-David-Gemmell.pdf
    • http://weisncio.myhome.cx/8624629629621626/The-Power-of-Social-Innovation-How-Civic-Entrepreneurs-Ignite-Community-Networks-for-Good-by-Stephen-Goldsmith.pdf
    • http://weisncio.myhome.cx/8620626628629626/Reading-Writing-and-Rising-Up-Teaching-about-Social-Justice-and-the-Power-of-the-Written-Word-by-Linda-Christensen.pdf
    • http://weisncio.myhome.cx/1620622623620629/The-Europeans-in-Australia-A-History-Volume-One-The-Beginning-by-Alan-Atkinson.pdf
    • http://weisncio.myhome.cx/4624623625629628/C-O-W-L-Volume-1-Principles-of-Power-by-Kyle-Higgins.pdf
    • http://weisncio.myhome.cx/5621628625626624/Air-Power-A-Global-History-by-Jeremy-Black.pdf
    • http://weisncio.myhome.cx/4621627624629/The-Protein-Power-Lifeplan-by-Michael-R-Eades.pdf
    • http://weisncio.myhome.cx/1624620628622624/The-Safety-Factor---The-Use-of-Power-Volume-1-by-Jerry-Travis.pdf
    • http://weisncio.myhome.cx/3621626624626625/The-Safety-Factor---The-Use-of-Power-Volume-1-by-Jerry-Travis.pdf
    • http://weisncio.myhome.cx/1620622622