Malicious PDF — malware analysis report

Static analysis result for SHA-256 50ee0adb4da3dae8…

MALICIOUS

PDF

20.6 KB Created: 2019-05-02 05:10:45 +01:00 Authoring application: mPDF 5.7
MD5: b23b1ddeb13e4a450db69ba26b483fe6 SHA-1: fbd3adea2c6cea2b72e721990e008e3886c30730 SHA-256: 50ee0adb4da3dae86419ec4bae116e271fb09195cff6b48d7113ce27d7dd7950
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious with high confidence. While the URLs themselves are currently marked as benign, the sheer volume and the nature of the heuristic suggest an attempt to manipulate search engine results or distribute content through a link farm. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

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://loaminoo.linkpc.net/4094090098090096/The-Billionaire-Love-Match-The-Billionaire-Surprise-Book-1-by-Emma-St-Clair.pdf
    • http://loaminoo.linkpc.net/2098091099092091/The-Billionaire-s-Passion-The-Billionaire-s-Kiss-Book-Four-A-Billionaire-Alpha-Romance-by-Olivia-Thorne.pdf
    • http://loaminoo.linkpc.net/4097094091/The-Billionaire-s-Christmas-Virgin-Prelude-to-Billionaire-Unknown---Blake-The-Billionaire-s-Obsession-9-5-by-J-S-Scott.pdf
    • http://loaminoo.linkpc.net/4094090093096093/The-Billionaire-s-Stray-Heart-Burke-Billionaire-Romance-Book-2-by-Rachelle-J-Christensen.pdf
    • http://loaminoo.linkpc.net/4094093095090092/The-Billionaire-s-Desire-A-Single-Dad-Romance-The-Billionaire-s-Touch-Book-4-by-L-N-Pearl.pdf
    • http://loaminoo.linkpc.net/4094090096098098/The-Brazen-Billionaire-Clean-Billionaire-Beach-Club-Romance-Book-4-by-Elana-Johnson.pdf
    • http://loaminoo.linkpc.net/4094090096098094/The-Billionaire-s-Bodyguard-Clean-Billionaire-Beach-Club-Romance-Book-5-by-Elana-Johnson.pdf
    • http://loaminoo.linkpc.net/4094090097099096/The-Bashful-Billionaire-Clean-Billionaire-Beach-Club-Romance-Book-3-by-Elana-Johnson.pdf
    • http://loaminoo.linkpc.net/4094090096099093/Mending-Images-with-the-Billionaire-A-Clean-Billionaire-Romance-Artists-amp-Billionaires-Book-4-by-Lorin-Grace.pdf
    • http://loaminoo.linkpc.net/2093092090093091/Goldie-s-Billionaire-Bear-Shifter-Fairy-Tale-Goldilocks-and-the-Billionaire-Bear-Book-2-by-Ella-Jasmine.pdf
    • http://loaminoo.linkpc.net/6098098094090096/Writhe-Desperate-for-the-Biker-Billionaire-Billionaire-Biker-series-Book-4-by-Kenzie-Haven.pdf
    • http://loaminoo.linkpc.net/6098098094090095/Release-Pleasures-of-the-Biker-Billionaire-Billionaire-Biker-series-Book-5-by-Kenzie-Haven.pdf
    • http://loaminoo.linkpc.net/1097097096096092/Submit-Taken-by-the-Biker-Billionaire-Billionaire-Biker-series-Book-1-by-Kenzie-Haven.pdf
    • http://loaminoo.linkpc.net/1094097092091099/Billionaire-Romance-Billionaire-A-Sizzling-Hot-Billionaire-Romance-Boxed-Set-Collection-by-J-L-Ryan.pdf
    • http://loaminoo.linkpc.net/9098092091097097/Flirting-with-the-Billionaire-Margo-Flirting-with-the-Billionaire-Book-4-by-Tracy-Court.pdf
    • http://loaminoo.linkpc.net/2095091099091090/Lexie-s-First-Time-Borrowed-Billionaire-0-5-Billionaire-Novelist-0-5-by-Mimi-Strong.pdf
    • http://loaminoo.linkpc.net/3092094099096091/The-Billionaire-Wins-the-Game-Billionaire-Bachelors-1-by-Melody-Anne.pdf
    • http://loaminoo.linkpc.net/1094094094095090/The-Billionaire-Wins-the-Game-Billionaire-Bachelors-1-by-Melody-Anne.pdf
    • http://loaminoo.linkpc.net/1094097093099098/Romancing-the-Billionaire-Billionaire-Boys-Club-5-by-Jessica-Clare.pdf
    • http://loaminoo.linkpc.net/2097093099090098/The-Reclusive-Billionaire-Destination-Billionaire-Romance-1-by-Lucy-McConnell.pdf
    • http://loaminoo.linkpc.net/4094090096098094/The-Billionaire-s-Bodyguard-Clean-Billionaire-Beach-Club-Romance-Bo

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