Malicious PDF — malware analysis report

Static analysis result for SHA-256 baac2d3c0af1520c…

MALICIOUS

PDF

25.7 KB Created: 2019-05-02 06:11:21 +01:00 Authoring application: mPDF 5.7
MD5: 2368c55561c5744901bf7c80c0c2c023 SHA-1: 2e68f05cda88d5d103acf1f10112592fad97c8b0 SHA-256: baac2d3c0af1520c8ad054488ea16663f57ec1884ac71938ef2d199a8f7aedac
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. While many of these URLs point to benign-looking book titles, the sheer volume and the nature of the heuristic suggest a malicious intent, likely for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF with high confidence. No scripts were extracted from this sample.

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://cefasfese.4pu.com/4730730731739739/Raised-Healthy-Wealthy-amp-Wise-Lessons-from-successful-and-grounded-inheritors-on-how-they-got-that-way-by-Coventry-Edwards-Pitt.pdf
    • http://cefasfese.4pu.com/1738734737739732/Living-Your-Legacy-Now-Inspiring-Life-Lessons-for-a-Successful-Healthy-and-Fulfilling-Life-by-Bill-Blalock.pdf
    • http://cefasfese.4pu.com/9734730736739/The-Wealthy-Barber-The-Common-Sense-Guide-to-Successful-Financial-Planning-by-David-Chilton.pdf
    • http://cefasfese.4pu.com/9735734733734/The-key-to-successful-healthy-weight-loss-by-DietKart.pdf
    • http://cefasfese.4pu.com/4731733735739739/Beyond-Engagement-A-Guide-to-Building-Healthy-and-Successful-Organizations-by-Tim-Schneider.pdf
    • http://cefasfese.4pu.com/2730731736734731/A-Coventry-Wedding-Coventry-2-by-Becky-Cochrane.pdf
    • http://cefasfese.4pu.com/2737735730735733/The-Successful-Novelist-A-Lifetime-of-Lessons-about-Writing-and-Publishing-by-David-Morrell.pdf
    • http://cefasfese.4pu.com/3738733739732737/100-Things-Successful-People-Do-Little-Exercises-for-Successful-Living-by-Nigel-Cumberland.pdf
    • http://cefasfese.4pu.com/1731734736734734735/Successful-Remembering-and-Successful-Forgetting-A-Festschrift-in-Honor-of-Robert-A-Bjork-by-Aaron-S-Benjamin.pdf
    • http://cefasfese.4pu.com/2735737731738/Raised-by-Wolves-Raised-by-Wolves-1-by-Jennifer-Lynn-Barnes.pdf
    • http://cefasfese.4pu.com/2738734734730730/Raised-by-Wolves-Raised-by-Wolves-1-by-Jennifer-Lynn-Barnes.pdf
    • http://cefasfese.4pu.com/1731736735732738732/Cyclop-Ein-Dirk-Pitt-Roman-Die-Dirk-Pitt-Abenteuer-8-by-Clive-Cussler.pdf
    • http://cefasfese.4pu.com/7737731739734738/Everything-to-Live-For-The-Inspirational-Story-of-Turia-Pitt-by-Turia-Pitt.pdf
    • http://cefasfese.4pu.com/8730739738737731/Copywriting-The-Successful-Copywriter---How-To-Start-A-Successful-Business-As-a-Copywriter-And-Make-Money-From-Home-by-Yordan-Kostadinov.pdf
    • http://cefasfese.4pu.com/1731733732735732733/The-Inheritors-Gateway-to-Never-by-A-Bertram-Chandler.pdf
    • http://cefasfese.4pu.com/8734733733734/The-Queen-s-Bastard-Inheritors-Cycle-1-by-C-E-Murphy.pdf
    • http://cefasfese.4pu.com/8731732734732739/Gluten-Free-Living-Healthy-Recipe-Book-Leading-the-Way-to-Happy-Healthy-Life-by-Vesco-Inc.pdf
    • http://cefasfese.4pu.com/1731733730733738738/You-Can-Be-Healthy-At-Any-Age-17-Practical-Guidelines-To-a-Healthy-Life-by-Suzanne-Abboud.pdf
    • http://cefasfese.4pu.com/4734735733733730/Wise-T-Owl-s-Story-of-Money-Wise-T-Owl-s-Picture-Story-Books-for-Little-Children-1-by-Maureen-Nathan.pdf
    • http://cefasfese.4pu.com/1738737734730/The-Inheritors-Handbook-A-Definitive-Guide-For-Beneficiaries-by-Dan-Rottenberg.pdf