Malicious PDF — malware analysis report

Static analysis result for SHA-256 880513a7c4b5685d…

MALICIOUS

PDF

21.3 KB Created: 2019-04-30 03:30:25 +01:00 Authoring application: mPDF 5.7
MD5: d6156879835500928c0bc932d16e1a35 SHA-1: 2e753ab1ebaa527412afd04ff70897ce60abfacb SHA-256: 880513a7c4b5685d80ca4ac66fd60133a6363be4fe82296af5c5494e87f49803
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, identified as a link farm. While no scripts were extracted, the heuristic firings and the structure of the document suggest an attempt to manipulate search engine results or redirect users to potentially malicious content hosted on the `loaminoo.linkpc.net` domain. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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/2097099098093097/The-Fool-s-Run-by-John-Camp.pdf
    • http://loaminoo.linkpc.net/1093094093098096/The-Fool-s-Run-Kidd-amp-LuEllen-1-by-John-Camp.pdf
    • http://loaminoo.linkpc.net/6096099091091/The-Complete-Tawny-Man-Trilogy-Fool-s-Errand-The-Golden-Fool-Fool-s-Fate-by-Robin-Hobb.pdf
    • http://loaminoo.linkpc.net/6094093094099/A-Fool-Among-Fools-by-John-Terracuso.pdf
    • http://loaminoo.linkpc.net/4092097096092096/Fool-s-Assassin-The-Fitz-and-The-Fool-Trilogy-1-by-Robin-Hobb.pdf
    • http://loaminoo.linkpc.net/1090091098099/Fool-s-Assassin-The-Fitz-and-The-Fool-Trilogy-1-by-Robin-Hobb.pdf
    • http://loaminoo.linkpc.net/4096090098094094/Fool-s-Quest-The-Fitz-and-The-Fool-2-by-Robin-Hobb.pdf
    • http://loaminoo.linkpc.net/3098090093095091/Fool-s-Errand-Fool-s-Odyssey-1-by-Chris-Quinton.pdf
    • http://loaminoo.linkpc.net/5094090090096/Novels-By-Robin-Hobb-including-Assassin-s-Apprentice-Royal-Assassin-Assassin-s-Quest-Fool-s-Errand-novel-The-Golden-Fool-Shaman-s-Crossing-Fool-s-Fate-Ship-Of-Magic-Forest-Mage-Renegade-s-Magic-Dragon-Keeper-hobb-Novel-Ship-Of-Destiny-by-Hephaestus-Books.pdf
    • http://loaminoo.linkpc.net/2091094091097/Fortune-s-Fool-The-Life-of-John-Wilkes-Booth-by-Terry-Alford.pdf
    • http://loaminoo.linkpc.net/1091097096093090/The-Camp-of-Gods-Tears-by-John-R-Mayfield.pdf
    • http://loaminoo.linkpc.net/8097092094098/Christ-in-the-Camp-by-John-William-Jones.pdf
    • http://loaminoo.linkpc.net/1092098090094096/Bean-Camp-to-Briar-Patch-by-John-N-Powers.pdf
    • http://loaminoo.linkpc.net/4095092095091097/Treblinka-Transit-Camp-or-Extermination-Camp-by-Carlo-Mattogno.pdf
    • http://loaminoo.linkpc.net/1098090092098096/Camp-Payback-Camp-Boyfriend-2-by-J-K-Rock.pdf
    • http://loaminoo.linkpc.net/1091092098095099090/Illustrated-Catalogue-of-the-de-Camp-Levoy-and-Co-Wholesale-Manufacturers-of-Saddlery-Harness-and-Collars-of-Every-Decription-by-De-Camp-Levoy-and-Company.pdf
    • http://loaminoo.linkpc.net/5098098095093097/Bonding-Camp-Volume-1-Bonding-Camp-Morgan-s-Protege-by-Christelle-Mirin.pdf
    • http://loaminoo.linkpc.net/7095099091091099/A-Brief-History-of-the-Sons-of-Veterans-U-S-a-General-John-A-Koltes-Koltes-Camp-No-171-Troop-K-New-York-Division-S-V-U-S-A-Biographical-Sketch-of-the-City-of-Utica-and-Autograph-Letters-of-Famous-Americans-by-Charles-Vetter-Jr-.pdf
    • http://loaminoo.linkpc.net/2096094099090099/Fool-Me-Once-by-Harlan-Coben.pdf
    • http://loaminoo.linkpc.net/3093098099091099/Fool-for-You-For-You-1-by-Megan-Noelle.pdf