Malicious PDF — malware analysis report

Static analysis result for SHA-256 b54a7f79bf232519…

MALICIOUS

PDF

16.2 KB Created: 2019-05-01 12:01:53 +01:00 Authoring application: mPDF 5.7
MD5: 5de8f435a0c3b172d6cefdecf1d48db6 SHA-1: 338b491b0909774b073d8f5a49abb28b08a9dd15 SHA-256: b54a7f79bf23251947b6329f9e7fbff584b61c8da10279c5e9be27fd3e642c14
60 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links all point to the same domain, 'cefasfese.4pu.com', and appear to be designed to manipulate search engine results or distribute content. While the document body is unreadable, the heuristic strongly suggests a malicious intent related to link farming or redirection. No scripts were extracted from this sample.

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/3739735735736733/Reluctantly-Charmed-by-Ellie-O-39-Neill.pdf
    • http://cefasfese.4pu.com/4738738736737739/Reluctantly-Charmed-by-Ellie-O-39-Neill.pdf
    • http://cefasfese.4pu.com/1730739737735735734/Charmed---The-ultimate-unofficial-companion-Was-du-schon-immer-ber-Charmed-wissen-wolltest-by-Eva-Maria-H-reth.pdf
    • http://cefasfese.4pu.com/7732734733735/The-Charmed-Fates-The-Charmed-Trilogy-3-by-Christine-Wenrick.pdf
    • http://cefasfese.4pu.com/1731733731730/Lucky-Charmed-Charmed-in-Texas-2-by-Sharla-Lovelace.pdf
    • http://cefasfese.4pu.com/4733734738733732/Charmed-Again-The-Charmed-2-by-Lindy-Zart.pdf
    • http://cefasfese.4pu.com/4730734733730732/Charmed-Again-Charmed-11-by-Elizabeth-Lenhard.pdf
    • http://cefasfese.4pu.com/1730732738736735732/Neill-Neill-Orange-Peel-by-A-S-Neill.pdf
    • http://cefasfese.4pu.com/1730732738737735730/Living-with-a-Functioning-Alcoholic-A-Woman-s-Survival-Guide-by-Neill-Neill.pdf
    • http://cefasfese.4pu.com/1730732738738739732/The-Sam-Neill-Handbook---Everything-You-Need-to-Know-about-Sam-Neill-by-Emily-Smith.pdf
    • http://cefasfese.4pu.com/6736732737739/A-Charmed-Life-The-Charmed-Life-1-3-by-Jenny-B-Jones.pdf
    • http://cefasfese.4pu.com/9732734730733738/Ellie-Ellie-1-by-Lesley-Pearse.pdf
    • http://cefasfese.4pu.com/2737738732734737/The-Revised-Life-of-Ellie-Sweet-Ellie-Sweet-1-by-Stephanie-Morrill.pdf
    • http://cefasfese.4pu.com/7730735737734738/Ellie-Vayo-s-Guide-to-Boudoir-Photography-by-Ellie-Vayo.pdf
    • http://cefasfese.4pu.com/9738731734731739/Chloe-Neill-Chicagoland-Vampires-Series-1-4-by-Chloe-Neill.pdf
    • http://cefasfese.4pu.com/1733738731737/Reluctantly-Alice-Alice-3-by-Phyllis-Reynolds-Naylor.pdf
    • http://cefasfese.4pu.com/1738738736730737/Reluctantly-Married-Married-2-by-Victorine-E-Lieske.pdf
    • http://cefasfese.4pu.com/3739732738730737/Reluctantly-in-Love-What-s-Love-3-by-Niecey-Roy.pdf
    • http://cefasfese.4pu.com/7737737733736733/A-Charmed-Place-by-Antoinette-Stockenberg.pdf
    • http://cefasfese.4pu.com/2738737737735736/The-Power-of-Three-Charmed-1-by-Eliza-Willard.pdf
    • http://cefasfese.4pu.com/173073273

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