Malicious PDF — malware analysis report

Static analysis result for SHA-256 b25b762302efec2f…

MALICIOUS

PDF

18.9 KB Created: 2019-04-30 06:26:31 +01:00 Authoring application: mPDF 5.7
MD5: 7bf4a2b9bdbf023f4127f4fa4eea6d66 SHA-1: d9eb701920521af2495f1e4cce6376cf1d24dc73 SHA-256: b25b762302efec2f0ba0d340d76473963b411a5c0d24462e3e8a7f47217c30bd
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, characteristic of a link farm. The heuristic PDF_SEO_LINK_FARM confirms this, indicating a potential attempt to drive traffic or distribute malicious content indirectly. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the immediate intent beyond the link farm.

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.n
    • http://loaminoo.linkpc.net/3099098092097097/The-Winter-People-The-Winter-People-1-by-Rebekah-L-Purdy.pdf
    • http://loaminoo.linkpc.net/1097099098097092/The-Winter-People-The-Winter-People-1-by-Rebekah-L-Purdy.pdf
    • http://loaminoo.linkpc.net/1099095097091092/The-Summer-Marked-The-Winter-People-2-by-Rebekah-L-Purdy.pdf
    • http://loaminoo.linkpc.net/2095099098091090/The-Summer-Marked-The-Winter-People-2-by-Rebekah-L-Purdy.pdf
    • http://loaminoo.linkpc.net/7097098096095/The-Winter-People-by-Phyllis-A-Whitney.pdf
    • http://loaminoo.linkpc.net/2097096095098091/Winter-s-End-by-Rebekah-Lyn.pdf
    • http://loaminoo.linkpc.net/4099094099092091/Winter-s-End-Seasons-of-Faith-2-by-Rebekah-Lyn.pdf
    • http://loaminoo.linkpc.net/2093091097091/Wandering-Through-Winter-A-Naturalist-s-Record-of-a-20-000-Mile-Journey-Through-the-North-American-Winter-by-Edwin-Way-Teale.pdf
    • http://loaminoo.linkpc.net/2094096091090099/The-War-Against-Miss-Winter-Rosie-Winter-1-by-Kathryn-Miller-Haines.pdf
    • http://loaminoo.linkpc.net/2092090092097096/Winter-s-Scars-The-Forsaken-Winter-s-Saga-5-by-Karen-Luellen.pdf
    • http://loaminoo.linkpc.net/1095095097090099/Winter-s-Wrath-Sacrifice-Winter-s-Saga-3-by-Karen-Luellen.pdf
    • http://loaminoo.linkpc.net/4096094091098/A-Witch-in-Winter-Winter-Trilogy-1-by-Ruth-Warburton.pdf
    • http://loaminoo.linkpc.net/9092091099096/The-Road-to-Winter-Winter-1-by-Mark-Smith.pdf
    • http://loaminoo.linkpc.net/1098090093091096/The-Romeo-Club-by-Rebekah-L-Purdy.pdf
    • http://loaminoo.linkpc.net/2097092096090099/The-11-Laws-of-Likability-Relationship-Networking-Because-People-Do-Business-with-People-They-Like-by-Michelle-Tillis-Lederman.pdf
    • http://loaminoo.linkpc.net/7094097099094095/Value-People-to-People-Another-way-to-craft-brands-and-do-business-by-Christophe-Fauconnier.pdf
    • http://loaminoo.linkpc.net/4095091099092092/Daisy-and-the-Front-Man-Backstage-Pass-3-by-Rebekah-L-Purdy.pdf
    • http://loaminoo.linkpc.net/7095099093091090/Daily-Routine-What-Makes-the-Difference-between-Highly-Successful-People-and-Unsuccessful-People---Become-the-Master-of-Your-Life-by-Andrew-Gump.pdf
    • http://loaminoo.linkpc.net/1090098090090097091/Rotes-Meer-Der-achte-Fall-f-r-Erik-Winter-Ein-Erik-Winter-Krimi-by-ke-Edwardson.pdf
    • http://loaminoo.linkpc.net/1090098098096092098/Hush-Little-Baby-A-Jefferson-Winter-Thriller-0-6-The-Jefferson-Winter-Chronicles-2-by-James-Carol.pdf