Malicious PDF — malware analysis report

Static analysis result for SHA-256 861e5f1448287b33…

MALICIOUS

PDF

29.7 KB Created: 2020-03-18 22:35:57 +00:00 Authoring application: mPDF 5.7
MD5: bb46092397fcb7d23d944f11d9f46fc1 SHA-1: eca8d6f54a5b7f630c88fa6bdcf67c2bbcd4147b SHA-256: 861e5f1448287b339bd696f3554a42b58f239c168a8b2cd4e5765c7617317e3e
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 manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the sheer volume of suspicious external links suggests a malicious intent to redirect the user to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9689

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://lwoscmobook.myhome.cx/652485241524652455249/Sur-la-t-te-de-la-ch-vre-by-Aranka-Siegal.pdf
    • http://lwoscmobook.myhome.cx/652485241524852425242/La-ch-vre-de-Monsieur-Seguin-by-Christel-Desmoinaux.pdf
    • http://lwoscmobook.myhome.cx/652485241524852455244/Harpsichord-Pieces-Book-4-Suite-23-No-5-Les-satires-chevre-pieds-by-Fran-ois-Couperin.pdf
    • http://lwoscmobook.myhome.cx/652485241524852425246/Danse-de-la-Chevre-New-Edition-with-Historical-and-Interpretation-Notes-for-Solo-Flute-by-Arthur-Honegger.pdf
    • http://lwoscmobook.myhome.cx/652485241524752435241/The-Everything-Cheese-Book-From-Cheddar-to-Chevre-All-You-Need-to-Select-and-Serve-the-Finest-Fromage-by-Laura-Martinez.pdf
    • http://lwoscmobook.myhome.cx/652485241524552455243/Making-Great-Cheese-at-Home-30-Simple-Recipes-from-Cheddar-to-Chevre-by-Barbara-Ciletti.pdf
    • http://lwoscmobook.myhome.cx/652485241524852455242/La-ch-vre-de-monsieur-Seguin-Livre-illustr-pour-enfants-Les-Lettres-de-mon-moulin-t-1-by-Christian-Vandendaele.pdf
    • http://lwoscmobook.myhome.cx/65247524252425243/Remembering-Joseph-Personal-Recollections-Of-Those-Who-Knew-The-Prophet-Joseph-Smith-by-Mark-L-McConkie.pdf
    • http://lwoscmobook.myhome.cx/352475246524052435245/Joseph-s-New-Camera-Joseph-Land-1-by-J-Hale-Turner.pdf
    • http://lwoscmobook.myhome.cx/552415240524952475244/Joseph-E-Brown-of-Georgia-by-Joseph-H-Parks.pdf
    • http://lwoscmobook.myhome.cx/852415247524152435243/Heart-of-Darkness-by-Joseph-Conrad-Illustrated-Heart-of-Darkness-1899-is-a-short-novel-by-Polish-novelist-Joseph-Conrad-by-Joseph-Conrad.pdf
    • http://lwoscmobook.myhome.cx/452455248524752405240/Elder-Arsenios-the-Cave-Dweller-1886-1983---Fellow-Ascetic-of-Elder-Joseph-the-Hesychast-by-Joseph-Dionysiatis.pdf
    • http://lwoscmobook.myhome.cx/952415248524452435244/Carl-Joseph-von-Trotta-in-Joseph-Roths-quot-Radetzkymarsch-quot---eine-sp-te-Heldenfigur-by-Andreas-Lehmann.pdf
    • http://lwoscmobook.myhome.cx/752455240524852445242/The-Romance-of-Tristan-and-Iseult---Joseph-B-dier-ANNOTATED-Full-Version-of-Great-Classics-Work-by-Joseph-B-dier.pdf
    • http://lwoscmobook.myhome.cx/652415248524252435249/Le-roman-de-Tristan-et-Iseut-Illustr-et-annot-Version-moderne-renouvel-e-par-Joseph-B-dier-et-annot-e-par-Ferdinand-Bruneti-re-by-Joseph-B-dier.pdf
    • http://lwoscmobook.myhome.cx/952415248524452445245/Joseph-Roth---Gesammelte-Werke-Romane-Erz-hlungen-Journalistische-Schriften-mehr-als-30-Titel-in-einem-E-Book---Radetzkymarsch-Hiob-Die-Kapuzinergruft-Trinker-Das-falsche-Gewic-by-Joseph-Roth.pdf
    • http://lwoscmobook.myhome.cx/552455245524252415249/O-Poder-Do-Subconsiente---O-Grande-Classico-De-Joseph-Murphy-by-Joseph-Murphy.pdf
    • http://lwoscmobook.myhome.cx/552485242524252485240/Joseph-Retinger---Memoirs-of-an-Eminence-Grise-by-Joseph-Hieronim-Retinger.pdf
    • http://lwoscmobook.myhome.cx/75240524352415244/The-Hero-s-Journey-Joseph-Campbell-on-His-Life-amp-Work-by-Joseph-Campbell.pdf
    • http://lwoscmobook.myhome.cx/552485248524052405247/Heart-Of-Darkness-By-Joseph-Conrad-Illustrated-by-Joseph-Conrad.pdf

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