Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c950a704ec24c95…

MALICIOUS

PDF

20.7 KB Created: 2019-05-13 08:37:21 +01:00 Authoring application: mPDF 5.7
MD5: 84b6a00edead7ceaae77182eb4d9c2c0 SHA-1: 1dc6348814fcf0b924f3ee425f57d70a8c9c1239 SHA-256: 1c950a704ec24c95f73e99081ad0f7e0f13e9540e5b960db0365282ffa69817d
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDFs, primarily hosted on the domain 'cefasfese.4pu.com'. This behavior is indicative of a link farm or a redirection scheme, likely intended to drive traffic to potentially malicious content or to obscure the true destination. While the specific intent of the links is unclear due to the benign reputation of the initial URLs, the sheer volume and the suspicious nature of the domain suggest a malicious purpose. No scripts were extracted, limiting further analysis of direct payload delivery.

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/2732736732733735/A-Matter-of-Time-Vol-1-A-Matter-of-Time-1-2-by-Mary-Calmes.pdf
    • http://cefasfese.4pu.com/3732731736734736/Bulletproof-A-Matter-of-Time-5-by-Mary-Calmes.pdf
    • http://cefasfese.4pu.com/1736730734734734/Parting-Shot-A-Matter-of-Time-7-by-Mary-Calmes.pdf
    • http://cefasfese.4pu.com/1731738731730732/A-Matter-of-Time-by-Michael-J-Bowler.pdf
    • http://cefasfese.4pu.com/7734739734732737/Starfire-Vol-2-A-Matter-of-Time-by-Amanda-Conner.pdf
    • http://cefasfese.4pu.com/7733736732732737/A-Matter-of-Conscience-by-Mary-Hosmar.pdf
    • http://cefasfese.4pu.com/4739739739738733/Time-Trip-A-Time-After-Time-Reincarnation-Novella-Time-After-Time-Reincarnation-Lives-Book-1-by-Wendy-Godding.pdf
    • http://cefasfese.4pu.com/6731736739735732/Dark-Matter-in-Astrophysics-and-Particle-Physics-1998-Proceedings-of-the-Second-International-Conference-on-Dark-Matter-in-Astro-and-Particle-Physics-Held-in-Heidelberg-Germany-20-25-July-1998-by-Hans-Volker-Klapdor-Kleingrothaus.pdf
    • http://cefasfese.4pu.com/4737735731735739/After-Cilmeri-Boxed-Set-Daughter-of-Time-Footsteps-in-Time-Winds-of-Time-Prince-of-Time-The-After-Cilmeri-Series-by-Sarah-Woodbury.pdf
    • http://cefasfese.4pu.com/3730739736733737/My-Time-Your-Time-by-Mary-Torjussen.pdf
    • http://cefasfese.4pu.com/7731730733738736/Top-of-Mind-Use-Content-to-Unleash-Your-Influence-and-Engage-Those-Who-Matter-to-You-Use-Content-to-Unleash-Your-Influence-and-Engage-Those-Who-Matter-to-You-by-John-Hall.pdf
    • http://cefasfese.4pu.com/3732731739738738/Three-in-Time-The-Winds-of-Time-The-Year-of-the-Quiet-Sun-There-Will-Be-Time-by-Chad-Oliver.pdf
    • http://cefasfese.4pu.com/4735733737732734/His-No-Matter-What-by-S-J-Lenox.pdf
    • http://cefasfese.4pu.com/5730731737738738/On-the-Matter-of-the-Red-Hand-by-J-M-Guillen.pdf
    • http://cefasfese.4pu.com/9737731730739733/A-Matter-of-Trust-by-Greta-van-der-Rol.pdf
    • http://cefasfese.4pu.com/2735736732735737/A-Matter-of-Necessity-by-T-D-McKinney.pdf
    • http://cefasfese.4pu.com/3737737737732737/Heart-of-the-Matter-by-K-I-Thompson.pdf
    • http://cefasfese.4pu.com/4730732738737732/Matter-by-Iain-M-Banks.pdf
    • http://cefasfese.4pu.com/3736739730737/A-Personal-Matter-by-Kenzabur-e.pdf
    • http://cefasfese.4pu.com/8738730736738735/Man-or-Matter-by-Ernst-Lehrs.pdf
    • http://cefasfese.4pu.com/6

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