Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e53d38ae15da7d2…

MALICIOUS

PDF

19.9 KB Created: 2019-04-30 05:14:09 +01:00 Authoring application: mPDF 5.7
MD5: 09c46917356cfb52e645d8d626748dc1 SHA-1: d0ed330d881ca08c50f8b871b699fb2b4cfaf790 SHA-256: 7e53d38ae15da7d2b2e30947f238898e0f5bc36acc5b9dc4951e981554cce32f
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. While many of these links resolve to benign content, the sheer volume and the nature of the heuristic suggest a malicious intent, possibly for SEO manipulation or to host further malicious content. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

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://loaminoo.linkpc.net/6091097099096093/Hell-and-Good-Company-The-Spanish-Civil-War-and-the-World-it-Made-by-Richard-Rhodes.pdf
    • http://loaminoo.linkpc.net/4099096093096098/The-World-That-Made-New-Orleans-From-Spanish-Silver-to-Congo-Square-by-Ned-Sublette.pdf
    • http://loaminoo.linkpc.net/1093099091099090/The-Spanish-Labyrinth-An-Account-of-the-Social-and-Political-Background-of-the-Spanish-Civil-War-by-Gerald-Brenan.pdf
    • http://loaminoo.linkpc.net/2091098096094/A-Hole-in-the-World-An-American-Boyhood-by-Richard-Rhodes.pdf
    • http://loaminoo.linkpc.net/3091093093090095/Baby-Daisy-s-Good-Idea-La-Buena-Idea-De-Bebe-Daisy-Baby-s-First-Disney-Books-English-Spanish-by-Walt-Disney-Company.pdf
    • http://loaminoo.linkpc.net/7097099099093091/Capo-A-Mafia-Romance-Made-Man-2-by-Liliana-Rhodes.pdf
    • http://loaminoo.linkpc.net/2093093098092/History-of-the-Civil-War-1861---1865-by-James-Ford-Rhodes.pdf
    • http://loaminoo.linkpc.net/2095095096094091/British-Women-And-The-Spanish-Civil-War-by-Angela-Jackson.pdf
    • http://loaminoo.linkpc.net/2093095090091094/A-Shadow-of-Treason-Chronicles-of-the-Spanish-Civil-War-2-by-Tricia-Goyer.pdf
    • http://loaminoo.linkpc.net/1095099093090/Journey-to-the-Frontier-Two-Roads-to-the-Spanish-Civil-War-by-Peter-Stansky.pdf
    • http://loaminoo.linkpc.net/4090092092094090/Blood-of-Spain-An-Oral-History-of-the-Spanish-Civil-War-by-Ronald-Fraser.pdf
    • http://loaminoo.linkpc.net/1090098092099092094/Nom-De-Guerre-Ivan-American-Intelligence-Officer-in-the-Spanish-Civil-War-by-Quentin-Guerlain.pdf
    • http://loaminoo.linkpc.net/4098097099091099/Good-Housekeeping-Cookery-Book-by-39-Good-Housekeeping-39-The-National-Magazine-Company-Ltd.pdf
    • http://loaminoo.linkpc.net/1097091098092090/Hell-for-the-Company-Brimstone-1-by-Angel-Martinez.pdf
    • http://loaminoo.linkpc.net/2098097093092097/Hell-for-the-Company-Brimstone-1-by-Angel-Martinez.pdf
    • http://loaminoo.linkpc.net/1094094090093093/John-James-Audubon-by-Richard-Rhodes.pdf
    • http://loaminoo.linkpc.net/1096098091094093/Match-Made-in-Hell-Hellmatch-1-by-Milly-Taiden.pdf
    • http://loaminoo.linkpc.net/3091099092098093/The-Totally-Made-up-Civil-War-Diary-of-Amanda-MacLeish-by-Claudia-Mills.pdf
    • http://loaminoo.linkpc.net/6091097099097092/Arsenals-of-Folly-The-Making-of-the-Nuclear-Arms-Race-by-Richard-Rhodes.pdf
    • http://loaminoo.linkpc.net/8093094097098099/This-Nonviolent-Stuff-ll-Get-You-Killed-How-Guns-Made-the-Civil-Rights-Movement-Possible-by-Charles-E-Cobb-Jr-.pdf