Malicious PDF — malware analysis report

Static analysis result for SHA-256 c75ba577ad30c428…

MALICIOUS

PDF

21.1 KB Created: 2019-06-04 12:54:19 +01:00 Authoring application: mPDF 5.7 First seen: 2021-06-04
MD5: b94b9718e5702f930e4ff047136fd4b9 SHA-1: 2b1e1415666e98cec825975d738a0e0e9f7d1933 SHA-256: c75ba577ad30c428999c8ddc7af495dc691554f96f9229c021f567cdae378863
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDFs, disguised as book titles. This technique is often used to drive traffic to malicious sites or to host further malicious content. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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/2737734734731736/The-Battle-of-the-Labyrinth-Percy-Jackson-and-the-Olympians-4-by-Rick-Riordan.pdf In PDF document text
    • http://cefasfese.4pu.com/3737735732730731/The-Battle-of-the-Labyrinth-Percy-Jackson-and-the-Olympians-4-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/4734739733730/The-Battle-of-the-Labyrinth-Percy-Jackson-and-the-Olympians-4-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/7738737732739/Percy-Jackson-Collection-Percy-Jackson-and-the-Lightning-Thief-the-Last-Olympian-the-Titans-Curse-the-Sea-of-Monsters-the-Battle-of-the-Labyrinth-the-Demigod-Files-and-the-Red-Pyramid-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/3738734732733/Demigods-and-Monsters-Your-Favorite-Authors-on-Rick-Riordan-s-Percy-Jackson-and-the-Olympians-Series-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/3734735736736/Percy-Jackson-and-the-Olympians-Boxed-Set-Percy-Jackson-and-the-Olympians-1-5-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/3732738731735/Percy-Jackson-and-the-Olympians-Percy-Jackson-and-the-Olympians-1-3-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/8731737737733/The-Last-Olympian-Percy-Jackson-and-the-Olympians-5-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/4731730734733/The-Sea-of-Monsters-Percy-Jackson-and-the-Olympians-2-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/3733734733739736/The-Sea-of-Monsters-Percy-Jackson-and-the-Olympians-2-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/2735738737736732/The-Lightning-Thief-Percy-Jackson-and-the-Olympians-1-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/1735738739734738/The-Titan-s-Curse-Percy-Jackson-and-the-Olympians-3-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/2739737732736738/The-Lightning-Thief-Percy-Jackson-and-the-Olympians-1-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/1730739737736734730/The-Lightning-Thief-Percy-Jackson-and-the-Olympians-1-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/8736732738737730/The-Battle-of-the-Labyrinth-The-Graphic-Novel-Percy-Jackson-and-the-Olympians-4-by-Robert-Venditti.pdfIn PDF document text
    • http://cefasfese.4pu.com/7733732731732737/The-Titan-s-Curse-Percy-Jackson-and-the-Olympians-Book-3-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/6736732738737/Percy-Jackson-s-Greek-Gods-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/2735738734730738/Percy-Jackson-s-Greek-Gods-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/7733732730732738/Percy-Jackson-and-the-Sea-of-Monsters-Book-2-by-Rick-Riordan.pdfIn PDF document text
    • http://cefasfese.4pu.com/5734735734733737/Cu-c-Chi-n-Ch-n-M-Cung-Percy-Jackson-V-C-c-V-Th-n-Olympia-4-by-Rick-Riordan.pdfIn PDF document text

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