Malicious PDF — malware analysis report

Static analysis result for SHA-256 9de63ccef032fb56…

MALICIOUS

PDF

17.6 KB Created: 2019-05-07 05:14:50 +01:00 Authoring application: mPDF 5.7
MD5: 1aa07f4f0992ad5b991665f44e029af9 SHA-1: 23153fbba29008f1b80463abde85b7279987728e SHA-256: 9de63ccef032fb56e8afccf0313c9f6d069a1c6046c3ac4b98d1e34fce06090c
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, identified by the PDF_SEO_LINK_FARM heuristic. While many of these URLs point to benign content, the sheer volume and structure suggest a malicious intent, possibly for SEO poisoning or to redirect users to malicious 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 0.9931

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://muicuiu.dumb1.com/1a00a07a07a08a02a04/Dubious-Deeds-The-Further-Adventures-of-Eddie-Dickens-1-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a07a08a02a06/Horrendous-Habits-The-Further-Adventures-of-Eddie-Dickens-2-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/3a09a02a04a02/Awful-End-Eddie-Dickens-Trilogy-1-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a07a08a02a05/Philip-Ardagh-s-Book-Of-Howlers-Blunders-And-Random-Mistakery-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a07a09a03a04/The-Grunts-All-at-Sea-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a07a09a09a09/Ancient-Egypt-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a07a09a09a08/Knights-And-Castles-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a08a00a03a07/Your-Body-Boogers-and-All-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a07a09a08a02/The-Truth-About-Christmas-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a07a09a08a06/Far-From-Great-Escape-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a08a00a04a00/Ancient-Greece-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a08a01a02a02/Wow-Events-That-Changed-the-World-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a07a08a03a02/The-Moomins-The-World-of-Moominvalley-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/5a02a09a02a05a01/Heir-of-Mystery-Unlikely-Exploits-2-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a08a01a02a00/William-the-Conqueror-Get-a-Life-1-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a07a09a04a04/Trick-Eggs-and-Rubber-Chickens-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a08a00a02a09/The-Truth-about-Fairies-Elves-Gnomes-Goblins-amp-the-Little-People-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a08a01a01a06/Did-Dinosaurs-Really-Snore-100-and-a-half-Dinosaur-Questions-Answered-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a08a01a02a07/The-Life-of-Major-General-Sir-John-Ardagh-by-Lady-Susan-Countess-of-Malmsbury-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a07a08a00a04a01/Why-are-Castles-Castle-Shaped-100-1-2-Questions-about-Castles-Answered-by-Philip-Ardagh.pdf
    • http://muicuiu.dumb1.com/1a00a

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