Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a7097d7e22fac7e…

MALICIOUS

PDF

18.6 KB Created: 2019-06-13 16:35:46 +01:00 Authoring application: mPDF 5.7
MD5: 3c7a61135b42b06a425f677077c0fa28 SHA-1: 38a080cbffab9389ee92ec82bc36150c825c8aba SHA-256: 8a7097d7e22fac7eb538ec34574be65c815ffccbd5261e0b757eca1025b6d9e7
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF documents, primarily hosted on the domain 'cefasfese.4pu.com'. This behavior is indicative of a link farm or a redirection scheme designed to drive traffic to potentially malicious content. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact nature of the lure. The primary attack pattern observed is the mass distribution of external links.

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/5738738732738731/Misty-Falls-Savant-Series-Book-4-by-Joss-Stirling.pdf
    • http://cefasfese.4pu.com/1738730732739737/Misty-Falls-Benedicts-4-by-Joss-Stirling.pdf
    • http://cefasfese.4pu.com/8735738735735736/Don-Savant-s-Book-of-Poems-Sonnets-and-Vows-for-Relationships-and-Weddings-by-Don-Savant.pdf
    • http://cefasfese.4pu.com/2733732734735731/Summer-Shadows-Benedicts-6-by-Joss-Stirling.pdf
    • http://cefasfese.4pu.com/8731731731732/Stormy-Misty-s-Foal-Misty-3-by-Marguerite-Henry.pdf
    • http://cefasfese.4pu.com/5738738730737736/The-Savant-of-Chelsea-The-Savant-of-Chelsea-1-by-Suzanne-Jenkins.pdf
    • http://cefasfese.4pu.com/9731735731732/Firebird-Ballerina-Misty-Copeland-Shows-a-Young-Girl-How-to-Dance-Like-the-Firebird-by-Misty-Copeland.pdf
    • http://cefasfese.4pu.com/7735735733738733/James-Lee-Burke-Series-Reading-Order-amp-Checklist-Series-List-in-Order---Dave-Robicheaux-Series-Hackberry-Holland-Series-amp-All-Other-Books-Listabook-Series-Order-Book-29-by-Listabook.pdf
    • http://cefasfese.4pu.com/1731732738733730/Cornerstone-Cornerstone-1-by-Misty-Paquette-Misty-Provencher.pdf
    • http://cefasfese.4pu.com/3735737739735737/Club-Scars-The-Trinity-Falls-Series-by-Mara-McBain.pdf
    • http://cefasfese.4pu.com/1734736736737737/Fall-for-You-Madison-Falls-Book-1-by-Susan-Behon.pdf
    • http://cefasfese.4pu.com/7730736737738733/Face-the-Music-Beyond-Jackson-Falls-Book-1-by-Laurie-Breton.pdf
    • http://cefasfese.4pu.com/5738730738733737/Welcome-To-Sortilege-Falls-Grape-Merriweather-Book-1-by-Libby-Heily.pdf
    • http://cefasfese.4pu.com/3734730731739737/Move-Book-One-of-The-Tanger-Falls-Mystery-by-Sherri-Fulmer-Moorer.pdf
    • http://cefasfese.4pu.com/1733736734735/Twilight-in-Grace-Falls-An-Avon-Camelot-Book-by-Natalie-Honeycutt.pdf
    • http://cefasfese.4pu.com/8735738735734738/Savant-by-M-D-Parker.pdf
    • http://cefasfese.4pu.com/6737739734732/Obsession-Falls-Virtue-Falls-2-by-Christina-Dodd.pdf
    • http://cefasfese.4pu.com/2730737733736734/The-Guardians-Series-8-Book-Series-by-Meljean-Brook.pdf
    • http://cefasfese.4pu.com/7734733733731732/The-Saints-Series-3-Book-Series-by-Kathy-Coopmans.pdf
    • http://cefasfese.4pu.com/5738738732739738/The-Savant-by-Heath-Knuckle.pdf
    • http://cefasfese.4pu.com/7735735733738