Malicious PDF — malware analysis report

Static analysis result for SHA-256 60950f317410081e…

MALICIOUS

PDF

21.0 KB Created: 2019-05-02 05:14:51 +01:00 Authoring application: mPDF 5.7 First seen: 2020-06-02
MD5: bbaaf27d4264a65efacbc3208d7e8834 SHA-1: 66fe753a6b20a036a291ed1ca4d62575eb36e226 SHA-256: 60950f317410081e68b28e320fe285439b642138c8338e568647efc9bcf4f62c
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, identified as a link farm. While no malicious scripts were directly extracted, the heuristic 'PDF_SEO_LINK_FARM' indicates a high likelihood of malicious intent, possibly for SEO manipulation or to distribute further malware. The ML classifier also flagged this PDF as malicious with high confidence. The presence of embedded URLs suggests an attempt to direct users to external resources, which could be part of a phishing or malware distribution chain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9809

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/1730732731735734736/Mary-Mary-Oh-So-Contrary-The-Adventures-of-Miss-Mary-Bennet-2-by-S-M-Klassen.pdf In PDF document text
    • http://cefasfese.4pu.com/1730732731735732735/Mary-Mary-Not-So-Ordinary-The-Adventures-of-Miss-Mary-Bennet-1-by-S-M-Klassen.pdfIn PDF document text
    • http://cefasfese.4pu.com/1732734733731735/Miss-Mary-Reporting-The-True-Story-of-Sportswriter-Mary-Garber-by-Sue-Macy.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731730736735731736/Miss-Mary-Mack-by-Mary-Ann-Hoberman.pdfIn PDF document text
    • http://cefasfese.4pu.com/6731730730735731/The-Great-Hurricane-Irma-Evacuation-of-2017-RV-Adventures-with-Bill-and-Mary-2-by-Mary-Willock.pdfIn PDF document text
    • http://cefasfese.4pu.com/1730737737733734730/The-Women-of-Easter-Encounter-the-Savior-with-Mary-of-Bethany-Mary-of-Nazareth-and-Mary-Magdalene-by-Liz-Curtis-Higgs.pdfIn PDF document text
    • http://cefasfese.4pu.com/5734739736736731/Mary-Poppins-Boxed-Set-Three-Enchanting-Classics-Mary-Poppins-Mary-Poppins-Comes-Back-and-Mary-Poppins-Opens-the-Door-by-P-L-Travers.pdfIn PDF document text
    • http://cefasfese.4pu.com/4739731737735736/Mary-Alice-Moves-In-Miss-Fortune-The-Mary-Alice-Files-1-by-Frankie-Bow.pdfIn PDF document text
    • http://cefasfese.4pu.com/2738732731735737/The-Forgotten-Sister-Mary-Bennet-s-Pride-and-Prejudice-by-Jennifer-Paynter.pdfIn PDF document text
    • http://cefasfese.4pu.com/9731738736737735/The-Story-of-Walt-Disney-s-Motion-Picture-Mary-Poppins-by-Mary-Carey.pdfIn PDF document text
    • http://cefasfese.4pu.com/1735731730735730/A-Letter-of-Mary-Mary-Russell-3-by-Laurie-R-King.pdfIn PDF document text
    • http://cefasfese.4pu.com/4731733739738734/From-Mary-Noble-to-Mary-Hartman-by-Madeleine-Edmonson.pdfIn PDF document text
    • http://cefasfese.4pu.com/4735733732732730/A-Letter-of-Mary-Mary-Russell-3-by-Laurie-R-King.pdfIn PDF document text
    • http://cefasfese.4pu.com/8732735736733/Mary-Mary-Alex-Cross-11-by-James-Patterson.pdfIn PDF document text
    • http://cefasfese.4pu.com/3738739733734/A-Letter-of-Mary-Mary-Russell-3-by-Laurie-R-King.pdfIn PDF document text
    • http://cefasfese.4pu.com/7733738731732/The-Mary-Russell-Series-Books-1-4-The-Beekeeper-s-Apprentice-A-Monstrous-Regiment-of-Women-A-Letter-of-Mary-The-Moor-by-Laurie-R-King.pdfIn PDF document text
    • http://cefasfese.4pu.com/2739732737730739/Mary-amp-The-Wrongs-of-Woman-2-in-1-by-Mary-Wollstonecraft.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731734730737736731/Everywhere-people-waiting-The-life-of-Helen-de-Chappotin-de-Neuville-Mother-Mary-of-the-Passion-1839-1904-foundress-of-the-Franciscan-Missionaries-of-Mary-by-Agnes-Willmann.pdfIn PDF document text
    • http://cefasfese.4pu.com/2730739731737/Marrying-Miss-Bumblebroth-by-Mary-Kingsley.pdfIn PDF document text
    • http://cefasfese.4pu.com/3734735738730730/Miss-Ophelia-by-Mary-Burnett-Smith.pdfIn PDF document text

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