Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c62f69b2eea39ec…

MALICIOUS

PDF

19.7 KB Created: 2019-04-30 03:31:31 +01:00 Authoring application: mPDF 5.7 First seen: 2021-08-20
MD5: a4d967805c30df0a38b6a14125ab9ef7 SHA-1: 4205f3c39e5852e44e37e9023b72737ab53e0bcf SHA-256: 6c62f69b2eea39ec8feade8e73a5ed2e22ed3c493598f74ec7bfd0d3d2a2dde2
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous URLs and the 'PDF_SEO_LINK_FARM' heuristic strongly suggest a malicious intent to manipulate search engine results or redirect users to potentially harmful content. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://muicuiu.dumb1.com/5a01a06a04a06a04/Society-Wives-Love-or-Money-The-Secret-Lives-of-Society-Wives-4-6-by-Bronwyn-Jameson.pdf In PDF document text
    • http://muicuiu.dumb1.com/2a00a07a02a08/The-Rags-To-Riches-Wife-The-Secret-Lives-of-Society-Wives-1-by-Metsy-Hingle.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a04a09a05a01a02/Awakening-the-Shy-Miss-Wallflowers-to-Wives-2-by-Bronwyn-Scott.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a04a09a04a07a01/Unbuttoning-the-Innocent-Miss-Wallflowers-to-Wives-1-by-Bronwyn-Scott.pdfIn PDF document text
    • http://muicuiu.dumb1.com/4a01a04a06a06a06/Straight-Talk-to-Men-and-Their-Wives-What-Wives-Wish-Their-Husbands-Knew-About-Women-by-James-C-Dobson.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a07a07a00a07a05/The-Secret-Seekers-Society-and-the-Beast-of-Bladenboro-The-Secret-Seekers-Society-1-by-J-L-Hickey.pdfIn PDF document text
    • http://muicuiu.dumb1.com/4a08a08a03a04a02/Daughters-of-Britannia-The-Lives-and-Times-of-Diplomatic-Wives-by-Katie-Hickman.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a07a06a03a05a06/Secret-Society-Secret-Society-1-by-Tom-Dolby.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a06a07a08a04a05/Good-Wives-Image-and-Reality-in-the-Lives-of-Women-in-Northern-New-England-1650-1750-by-Laurel-Thatcher-Ulrich.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a03a05a00a00a00/Missing-Wives-Missing-Lives-True-Crime-Library-RJPP-5-by-J-J-Slate.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a05a09a09a01a02/High-Society-Expecting-the-Playboy-s-Heir-Blackmailing-the-Society-Bride-by-Penny-Jordan.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a01a07a06a06a07/The-Cats-of-Kittyville-New-Lives-for-Rescued-Felines-by-Best-Friends-Animal-Society.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a02a00a08a01/The-Ruthless-Groom-Princes-of-the-Outback-3-by-Bronwyn-Jameson.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a02a00a08a03/The-Rich-Stranger-Princes-of-the-Outback-2-by-Bronwyn-Jameson.pdfIn PDF document text
    • http://muicuiu.dumb1.com/8a06a01a07a07a06/In-Bed-with-the-Boss-s-Daughter---Skandal-Cinta-Putri-Bos-by-Bronwyn-Jameson.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a01a03a08a07/-Til-Death-Secret-Society-3-by-Miasha.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a03a05a05a08a02/The-Chronicles-of-the-Secret-Society-The-End-of-the-Standoff-1-by-Melia-Burrell.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a04a02a01a03a00/Tap-amp-Gown-Secret-Society-Girl-4-by-Diana-Peterfreund.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a07a00a06a05a05/The-Illuminati-The-Secret-Society-That-Hijacked-the-World-by-Jim-Marrs.pdfIn PDF document text
    • http://muicuiu.dumb1.com/8a03a08a05a07a02/Natalia-s-Secret-Spinster-s-Society-by-Charlotte-Stone.pdfIn PDF document text

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