Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ddfbe6da0f90e10…

MALICIOUS

PDF

19.9 KB Created: 2019-11-28 22:24:11 +00:00 Authoring application: mPDF 5.7
MD5: 45a94475fe70256883716508bad7f4a8 SHA-1: b3adb5c1ee56b42c1ae2511d5770e2471194e4d1 SHA-256: 0ddfbe6da0f90e107eb6ee0125f02e42360896874afa4725cfcf57e04caae0dd
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 host 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 to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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/1737735738735731/Three-to-See-the-King-by-Magnus-Mills.pdf
    • http://cefasfese.4pu.com/6730732733732737/The-Scheme-For-Full-Employment-by-Magnus-Mills.pdf
    • http://cefasfese.4pu.com/3732738739732738/All-Quiet-On-the-Orient-Express-by-Magnus-Mills.pdf
    • http://cefasfese.4pu.com/3735735738730732/Magnus-Chase-and-the-Hammer-of-Thor-Magnus-Chase-and-the-Gods-of-Asgard-2-by-Rick-Riordan.pdf
    • http://cefasfese.4pu.com/8735731733734738/The-Mills-amp-Boon-Modern-Girl-s-Guide-to-Working-9-5-Career-Advice-for-Feminists-Mills-amp-Boon-A-Zs-Book-1-by-Ada-Adverse.pdf
    • http://cefasfese.4pu.com/8735731733738733/The-Mills-amp-Boon-Modern-Girl-s-Guide-to-Helping-Yourself-Life-Hacks-for-feminists-Mills-amp-Boon-A-Zs-Book-3-by-Ada-Adverse.pdf
    • http://cefasfese.4pu.com/8735731733735730/The-Mills-amp-Boon-Modern-Girl-s-Guide-to-Growing-Old-Disgracefully-Mills-amp-Boon-A-Zs-Book-6-by-Ada-Adverse.pdf
    • http://cefasfese.4pu.com/8736734738730734/Magnus-Magnusson-s-Quiz-Book-by-Magnus-Magnusson.pdf
    • http://cefasfese.4pu.com/4734730730736733/Restraint-by-DarkEmeralds.pdf
    • http://cefasfese.4pu.com/4732733732730735/Restraint-by-December-Nolan.pdf
    • http://cefasfese.4pu.com/8735731733734737/The-Mills-amp-Boon-Modern-Girl-s-Guide-to-Turning-into-Your-Mother-The-Perfect-Mother-s-Day-gift-for-mums-who-have-it-all-Mills-amp-Boon-A-Zs-Book-5-by-Ada-Adverse.pdf
    • http://cefasfese.4pu.com/3739736732739736/Integrated-Mistress-amp-Master-of-Restraint-11-by-Erica-Chilson.pdf
    • http://cefasfese.4pu.com/2739738737731731/Unleashed-Mistress-amp-Master-of-Restraint-2-by-Erica-Chilson.pdf
    • http://cefasfese.4pu.com/2739738739731737/Queened-Mistress-amp-Master-of-Restraint-6-by-Erica-Chilson.pdf
    • http://cefasfese.4pu.com/5731733733734736/The-Rule-of-Moderation-Violence-Religion-and-the-Politics-of-Restraint-in-Early-Modern-England-by-Ethan-H-Shagan.pdf
    • http://cefasfese.4pu.com/6730732733736732/Magnus-Between-Two-Worlds-by-Kyle-Higgins.pdf
    • http://cefasfese.4pu.com/4735738738730734/Hammer-Of-The-North-by-Magnus-Magnusson.pdf
    • http://cefasfese.4pu.com/8736734738733734/Archaeology-of-the-Bible-by-Magnus-Magnusson.pdf
    • http://cefasfese.4pu.com/6730732733732736/The-Hunt-for-Magnus-by-Chris-Wraight.pdf
    • http://cefasfese.4pu.com/8739739737733732/Des-Narrens-Wunsch-by-Magnus-Schirmer.pdf

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