Malicious PDF — malware analysis report

Static analysis result for SHA-256 f92e0c05cf415d49…

MALICIOUS

PDF

19.1 KB Created: 2019-05-02 07:12:57 +01:00 Authoring application: mPDF 5.7
MD5: 4b911393ee3afaf019339ddc8c59af58 SHA-1: 570f91e602e65b0c37fd806968fa42e058dca6b5 SHA-256: f92e0c05cf415d49b85bca223fbcb624e8e361175922d75862dc3be5bffc4332
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs, identified as a 'PDF_SEO_LINK_FARM' heuristic. The document body also contains these URLs, suggesting the primary purpose is to direct users to external content. While the URLs themselves are currently flagged as benign, the sheer volume and the nature of the heuristic indicate a malicious intent, likely for SEO manipulation or to serve as a landing page for further malicious activity. No scripts were extracted from this sample.

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/1734739735739734/Around-the-House-the-Fox-Chased-the-Mouse-A-Prepositional-Tale-by-Rick-Walton.pdf
    • http://cefasfese.4pu.com/9733731731730738/A-Perfectly-Split-Christmas-A-Split-Short-Story-by-J-B-Salsbury.pdf
    • http://cefasfese.4pu.com/2731730736733735/The-First-Book-of-Common-Prayer-of-Edward-VI-and-the-Ordinal-of-1549-with-the-Order-of-the-Communion-1548-Repr-and-Ed-by-H-B-Walton-by-Henry-Baskerville-Walton.pdf
    • http://cefasfese.4pu.com/1738736739733735/Walton-s-Lives-of-Dr-John-Donne-Sir-Henry-Wotton-Mr-Richard-Hooker-Mr-George-Herbert-and-Dr-Robert-Sanderson-by-Izaak-Walton.pdf
    • http://cefasfese.4pu.com/6737732739737738/Anna-Banana-and-the-Puppy-Parade-Anna-Banana-4-by-Anica-Mrose-Rissi.pdf
    • http://cefasfese.4pu.com/9733731732732738/Split-Second-Split-Moment-by-Julian-Sihombing.pdf
    • http://cefasfese.4pu.com/5738734730734/Banana-by-Ed-Vere.pdf
    • http://cefasfese.4pu.com/3738734732733/Demigods-and-Monsters-Your-Favorite-Authors-on-Rick-Riordan-s-Percy-Jackson-and-the-Olympians-Series-by-Rick-Riordan.pdf
    • http://cefasfese.4pu.com/8738736739736737/Rick-Steves-Germany-Austria-amp-Switzerland-Covers-Munich-Bavaria-Vienna-Salzburg-the-Berner-Oberland-and-Prague-by-Rick-Steves.pdf
    • http://cefasfese.4pu.com/1734733738732737/The-Lake-by-Banana-Yoshimoto.pdf
    • http://cefasfese.4pu.com/3734732736739/Kitchen-by-Banana-Yoshimoto.pdf
    • http://cefasfese.4pu.com/1733738734738736/The-Life-of-a-Banana-by-P-P-Wong.pdf
    • http://cefasfese.4pu.com/3734737739736734/The-Life-of-a-Banana-by-P-P-Wong.pdf
    • http://cefasfese.4pu.com/3739738731734731/Kitchen-by-Banana-Yoshimoto.pdf
    • http://cefasfese.4pu.com/8735735737735738/Rick-Steves-Snapshot-Bruges-and-Brussels-Including-Antwerp-amp-Ghent-by-Rick-Steves.pdf
    • http://cefasfese.4pu.com/1731735733730735736/The-Last-Golden-Banana-by-Nahreen-Tarzi.pdf
    • http://cefasfese.4pu.com/4734730738738731/Banana-Fish-Vol-14-by-Akimi-Yoshida.pdf
    • http://cefasfese.4pu.com/4734730738738735/Banana-Fish-Vol-18-by-Akimi-Yoshida.pdf
    • http://cefasfese.4pu.com/3730737732731734/Banana-Bottom-by-Claude-McKay.pdf
    • http://cefasfese.4pu.com/5735739739730738/Uncanny-X-Force-by-Rick-Remender-The-Complete-Collection-Volume-2-by-Rick-Remender.pdf
    • http://cefasfese.4pu.com/37387