Malicious PDF — malware analysis report

Static analysis result for SHA-256 374d6ee6014901ea…

MALICIOUS

PDF

23.0 KB Created: 2019-06-04 11:13:19 +01:00 Authoring application: mPDF 5.7
MD5: a1cf1d013c87fa459b7be9a934e1f8bb SHA-1: a3ffa0949a88223d0b7002f326fae6f5dfe43f4a SHA-256: 374d6ee6014901ea814bd82da99b90a68cd648fc17d752b58c4e6a8ac69b1b6c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, hosted on a domain that appears to be part of a link farm. This technique is often used to obscure malicious intent or to distribute further payloads. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9726

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/1734739732730/Imperial-Life-in-the-Emerald-City-Inside-Iraq-s-Green-Zone-by-Rajiv-Chandrasekaran.pdf
    • http://cefasfese.4pu.com/5730731733736730/Beautiful-New-Life-Clean-Romance-by-Emerald-Green.pdf
    • http://cefasfese.4pu.com/4733737731730732/Nobody-Likes-You-Inside-the-Turbulent-Life-Times-and-Music-of-Green-Day-by-Marc-Spitz.pdf
    • http://cefasfese.4pu.com/7736735732734732/The-Demon-Inside-The-Zone-War-Trilogy-Book-1-by-Terry-Cloutier.pdf
    • http://cefasfese.4pu.com/6733738732739738/The-Iraq-War-Blog-An-Iraqi-Family-s-Inside-View-of-the-First-Year-of-the-Occupation-by-Faiza-Al-araji.pdf
    • http://cefasfese.4pu.com/5737737732736/Deep-Zone-Football-Genius-5-by-Tim-Green.pdf
    • http://cefasfese.4pu.com/3737731734734/Emerald-Green-The-Ruby-Red-Trilogy-3-by-Kerstin-Gier.pdf
    • http://cefasfese.4pu.com/7736737738737/The-Emerald-City-of-Oz-by-Eric-Shanower.pdf
    • http://cefasfese.4pu.com/3737735736735738/Emerald-City-of-Oz-by-L-Frank-Baum.pdf
    • http://cefasfese.4pu.com/3730730738730732/The-Emerald-City-of-Oz-Oz-6-by-L-Frank-Baum.pdf
    • http://cefasfese.4pu.com/4739732737732/The-Green-Zone-The-Environmental-Costs-of-Militarism-by-Barry-Sanders.pdf
    • http://cefasfese.4pu.com/4736735731731738/Green-Arrow-Volume-3-Emerald-Outlaw-by-Benjamin-Percy.pdf
    • http://cefasfese.4pu.com/3735731738735731/Emerald-City-Blues-by-Jean-Stewart.pdf
    • http://cefasfese.4pu.com/1737735730730731/The-Emerald-City-Osland-Trilogy-1-by-J-A-Beard.pdf
    • http://cefasfese.4pu.com/7734732735739738/Wookieepedia---Imperial-Vehicles-1-H-Imperial-Class-Repulsortank-1-L-Imperial-Class-Repulsortank-1-M-Imperial-Class-Repulsortank-2-M-Saber-Class-Repulsor-Tank-74-Z-Speeder-Bike-A-Q5-Waveskimmer-A5-RX-Battle-Tank-Acklay-Class-Mobile-Fortress-All-T-by-Source-Wikia.pdf
    • http://cefasfese.4pu.com/7732739735733731/Green-Lantern-Corps-Volume-5-Emerald-Eclipse-by-Peter-J-Tomasi.pdf
    • http://cefasfese.4pu.com/1739736739735735/What-Life-Was-Like-in-the-Land-of-the-Dragon-Imperial-China-Ad-960-1368-by-Time-Life-Books.pdf
    • http://cefasfese.4pu.com/3732734734734733/Oz-Reimagined-New-Tales-from-the-Emerald-City-and-Beyond-by-John-Joseph-Adams.pdf
    • http://cefasfese.4pu.com/1732738739731734/Operation-Viking-Hammer-A-Green-Beret-s-Firsthand-Account-of-Unconventional-Warfare-in-Northern-Iraq-2003-by-Mark-Giaconia.pdf
    • http://cefasfese.4pu.com/9730731731737734/Tales-of-Magic-Land-1-The-Wizard-of-the-Emerald-City-and-Urfin-Jus-and-his-Wooden-Soldiers-by-Alexander-Volkov.pdf