Malicious PDF — malware analysis report

Static analysis result for SHA-256 2dd1a8e719ec8cf0…

MALICIOUS

PDF

15.6 KB Created: 2019-11-10 00:20:29 +00:00 Authoring application: mPDF 5.7
MD5: a15a23818c67e97400c35d1c1dd9cf7c SHA-1: 14ec647aabe0c3759107273876033ad07dcfa8a1 SHA-256: 2dd1a8e719ec8cf01fc83ccaf367517221e1dedecffab4533157a5c26f4af20f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded external links, a technique often used for SEO poisoning or to redirect users to malicious websites. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the structure and embedded URLs strongly suggest a malicious intent to lure users to potentially compromised or malicious content hosted on the 'cefasfese.4pu.com' domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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/2737736733737732/The-Traitor-by-Michael-Cisco.pdf
    • http://cefasfese.4pu.com/4738736732736739/Animal-Money-by-Michael-Cisco.pdf
    • http://cefasfese.4pu.com/1731739731735731731/Cisco-CCNA-in-60-Days-by-Paul-W-Browning.pdf
    • http://cefasfese.4pu.com/8734733739732736/Inside-Cisco-IOS-Software-Architecture-by-Vijay-Bollapragada.pdf
    • http://cefasfese.4pu.com/3739738736737732/The-Great-Firewall-by-Michael-C-Boxall.pdf
    • http://cefasfese.4pu.com/5739735730731730/Eddy-the-Great-by-Michael-Stephens.pdf
    • http://cefasfese.4pu.com/8734736734730/The-Lover-The-Lover-1-by-Robin-Schone.pdf
    • http://cefasfese.4pu.com/1731738730730739733/Cisco-Intelligent-WAN-IWAN-Networking-Technology-by-Brad-Edgeworth.pdf
    • http://cefasfese.4pu.com/9738735739732735/Advanced-Cisco-Router-Configuration-exam-640-403-by-Todd-Lammle.pdf
    • http://cefasfese.4pu.com/9731736739737732/Integrated-Cisco-and-UNIX-Network-Architectures-by-Gernot-Schmied.pdf
    • http://cefasfese.4pu.com/4738736731739739/Dwarf-Great-War-Chronicles-1-by-Michael-Benningfield.pdf
    • http://cefasfese.4pu.com/2738735739737731/Great-Poets-of-the-Romantic-Age-by-Michael-Sheen.pdf
    • http://cefasfese.4pu.com/1731730738738734731/Schopenhauer-The-Great-Philosophers-by-Michael-Tanner.pdf
    • http://cefasfese.4pu.com/5736736738738736/10-Great-Souls-I-Want-to-Meet-in-Heaven-by-S-Michael-Wilcox.pdf
    • http://cefasfese.4pu.com/1730732738738738733/Effortless-Success-How-to-Get-What-You-Want-and-Have-a-Great-Time-Doing-It-by-Michael-Neill.pdf
    • http://cefasfese.4pu.com/2739739734738/Daniel-Boone-s-Great-Escape-by-Michael-P-Spradlin.pdf
    • http://cefasfese.4pu.com/4737739732730732/The-Great-and-Wondrous-Storyteller-by-Michael-Scott-Parkinson.pdf
    • http://cefasfese.4pu.com/4733738739731738/Great-Continental-Railway-Journeys-by-Michael-Portillo.pdf
    • http://cefasfese.4pu.com/6736731737738732/Building-scalable-Cisco-internetworks-BSCI-CCNP-self-study-by-Catherine-Paquet.pdf
    • http://cefasfese.4pu.com/6738738739738738/Bergson-Great-Thinkers-on-Modern-Life-by-Michael-Foley.pdf

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