Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e9f22e08c1535a2…

MALICIOUS

PDF

14.8 KB Created: 2019-05-03 06:27:04 +01:00 Authoring application: mPDF 5.7
MD5: 24c2b87f9ac6b6a6d44d31991e5d3310 SHA-1: f617eb22d92d4069fb63d4e8d5ddadde76f637ff SHA-256: 0e9f22e08c1535a262b61acf9fa94b6914461f4bf87807aa344972512ed75dfe
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO spam or to direct users to malicious content. The ML classifier also flagged this PDF as malicious. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic firing suggest a malicious intent to redirect users.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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/6730739732739730/Rimbaud-by-James-G-Koch.pdf
    • http://cefasfese.4pu.com/5734734733736734/Les-Oeuvres-Compl-tes-de-Rimbaud-by-Arthur-Rimbaud.pdf
    • http://cefasfese.4pu.com/6730738739736730/Rimbaud-Poems-by-Arthur-Rimbaud.pdf
    • http://cefasfese.4pu.com/6730739731733730/Rimbaud-by-Jean-Larose.pdf
    • http://cefasfese.4pu.com/3735736738730/Complete-Works-by-Arthur-Rimbaud.pdf
    • http://cefasfese.4pu.com/4733739734731/A-Season-in-Hell-by-Arthur-Rimbaud.pdf
    • http://cefasfese.4pu.com/6730739731734736/Why-Rimbaud-Went-to-Africa-by-David-Lerner.pdf
    • http://cefasfese.4pu.com/7730736732731730/Arthur-Rimbaud-by-Georges-Rodenbach.pdf
    • http://cefasfese.4pu.com/6730739731730734/The-Last-of-the-Hippies---An-Hysterical-Romance-by-Penny-Rimbaud.pdf
    • http://cefasfese.4pu.com/4738738730739731/Shibboleth-My-Revolting-Life-by-Penny-Rimbaud.pdf
    • http://cefasfese.4pu.com/7737730735739733/LE-BATEAU-IVRE-LA-VIE-DE-RIMBAUD-by-Martin-Copeland.pdf
    • http://cefasfese.4pu.com/6730739730738739/Season-in-Hell-Other-Poems-by-Arthur-Rimbaud.pdf
    • http://cefasfese.4pu.com/6730738739736731/Arthur-Rimbaud-A-Biography-by-Enid-Starkie.pdf
    • http://cefasfese.4pu.com/1739736739733/Rimbaud-The-Double-Life-of-a-Rebel-by-Edmund-White.pdf
    • http://cefasfese.4pu.com/6730738739736736/The-Poetics-of-Indeterminacy-Rimbaud-to-Cage-by-Marjorie-Perloff.pdf
    • http://cefasfese.4pu.com/6730739730735737/Delirium-The-Rimbaud-Delusion-by-Barbara-Scott-Emmett.pdf
    • http://cefasfese.4pu.com/9734731730730739/Un-Saison-En-Enfer-Eine-Zeit-In-Der-Holle-by-Arthur-Rimbaud.pdf
    • http://cefasfese.4pu.com/6730739731734731/A-Season-in-Hell-and-Other-Works-Une-saison-en-enfer-et-oeuvres-diverses-by-Arthur-Rimbaud.pdf
    • http://cefasfese.4pu.com/7730733730736736/Studies-in-Poetic-Discourse-Mallarm-Baudelaire-Rimbaud-H-lderlin-by-Hans-Jost-Frey.pdf
    • http://cefasfese.4pu.com/8731731736734733/Unjudgeable-by-S-L-Koch.pdf

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