Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c5c310e08248833…

MALICIOUS

PDF

27.6 KB Created: 2020-03-21 10:15:36 +00:00 Authoring application: mPDF 5.7
MD5: a455d60cc84a12e6811df932345dd6ed SHA-1: f448f9065e46c707e9fd86621559b7d9d200d2d9 SHA-256: 8c5c310e08248833a56646c7a918b1fa4d28be1ab026ac880bf206d3252df23f
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection to malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample. The primary attack pattern involves directing users to external, potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9695

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://ieuicufioao.myhome.cx/1550558554552551557/May-I-Be-Frank-How-I-Changed-My-Ways-Lost-100-Pounds-and-Found-Love-Again-by-Frank-Ferrante.pdf
    • http://ieuicufioao.myhome.cx/1550551556556558556/Frank-and-the-Princess-A-Frank-Brannon-Adventure-From-The-Author-of-quot-Frank-Brannon---Reluctant-Marshal-quot-A-Frank-Brannon-Western-Adventure-Book-3-by-C-Wayne-Winkle.pdf
    • http://ieuicufioao.myhome.cx/2552559556556552/Study-Guide-For-Anne-Frank-Remembered-The-Story-Of-The-Woman-Who-Helped-To-Hide-The-Frank-Family-With-Related-Readings-by-Miep-Gies.pdf
    • http://ieuicufioao.myhome.cx/4559554551551558/Diary-of-a-Fat-Girl-How-I-Lost-140-Pounds-Overcame-Binge-Eating-Disorder-and-Learned-to-Love-Myself-After-Weight-Loss-Surgery-by-Lisa-Sargese.pdf
    • http://ieuicufioao.myhome.cx/8553553556556552/Another-Unbelievable-Story-from-Frank-by-Frank-Humain.pdf
    • http://ieuicufioao.myhome.cx/3557552559558558/Love-Lost-amp-Found-by-Jean-C-Joachim.pdf
    • http://ieuicufioao.myhome.cx/3556559554556553/No-Tears-for-the-Lost-Riley-Gavin-and-Frank-Palmer-4-by-Adrian-Magson.pdf
    • http://ieuicufioao.myhome.cx/1550555550553558/Anne-Frank-s-Tales-from-the-Secret-Annex-A-Collection-of-Her-Short-Stories-Fables-and-Lesser-Known-Writings-Revised-Edition-by-Anne-Frank.pdf
    • http://ieuicufioao.myhome.cx/4558553552556/Into-the-Tiger-s-Jaw-America-s-First-Black-Marine-Aviator-The-Autobiography-of-Lt-Gen-Frank-E-Petersen-by-Frank-E-Petersen.pdf
    • http://ieuicufioao.myhome.cx/1551552554554557551/Frank-O-Hara-Poems-from-the-Tibor-De-Nagy-Editions-1952-1956-by-Frank-O-39-Hara.pdf
    • http://ieuicufioao.myhome.cx/1550557559557553559/Oz-the-Complete-Collection-Volume-4-Rinkitink-in-Oz-The-Lost-Princess-of-Oz-The-Tin-Woodman-of-Oz-by-L-Frank-Baum.pdf
    • http://ieuicufioao.myhome.cx/2552554559557552/Lost-Love-Found-O-Malley-Saga-5-by-Bertrice-Small.pdf
    • http://ieuicufioao.myhome.cx/5559553554554557/The-Wonderful-Wizard-of-Oz-By-L-Frank-Baum---Illustrated-Comes-with-a-Free-Audiobook-by-L-Frank-Baum.pdf
    • http://ieuicufioao.myhome.cx/4554554555550559/Anne-Frank-The-Anne-Frank-House-Authorized-Graphic-Biography-by-Sid-Jacobson.pdf
    • http://ieuicufioao.myhome.cx/1550557550559555552/Dr-Stefan-Frank---Folge-2273-Irgendwann-verl-sst-du-mich-by-Stefan-Frank.pdf
    • http://ieuicufioao.myhome.cx/1550557552559554556/Dr-Stefan-Frank---Folge-2342-Das-Geheimnis-der-sch-nen-Apothekerin-by-Stefan-Frank.pdf
    • http://ieuicufioao.myhome.cx/1551557551552557557/Dr-Stefan-Frank---Folge-2336-Wir-heiraten-heimlich-und-allein-by-Stefan-Frank.pdf
    • http://ieuicufioao.myhome.cx/3553552558550556/STORY-STORY-How-I-Found-Ways-to-Make-a-Difference-and-Do-Work-I-Love-by-Kola-Olaosebikan.pdf
    • http://ieuicufioao.myhome.cx/9556555558557558/Frank-Zappa-Captain-Beefheart-List-of-Performers-on-Frank-Zappa-Records-Dweezil-Zappa-the-Mothers-of-Invention-Cal-Schenkel-by-Source-Wikipedia.pdf
    • http://ieuicufioao.myhome.cx/4553553552555551/The-Lost-Cyclist-The-Untold-Story-of-Frank-Lenz-s-Ill-Fated-Around-the-World-Journey-by-David-Herlihy.pdf
    • http://ieuicufioao.myhome.cx/4559554551551558/Diary-of-a-Fat-Girl-How-I-Lost-140-Pounds-Overcame-Binge-Eating-Disorder-and-Learned-to-Love-Myself-After-Weight-Loss-Surgery-by-Lisa-Sarges

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