Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3addd3f6fc28df2…

MALICIOUS

PDF

15.7 KB Created: 2019-04-30 03:29:52 +01:00 Authoring application: mPDF 5.7
MD5: 6c3ec356c42a21535178a59968717d86 SHA-1: 4df267834eb97ebac66bc1519cdb8028109ea7ed SHA-256: e3addd3f6fc28df2053dff647393ae4ce018a5b1187ba295219a5372bed07a8f
60 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a PDF_SEO_LINK_FARM heuristic. While the URLs themselves are currently marked as benign, the sheer volume and structure suggest a malicious intent, possibly for SEO poisoning or to redirect users to malicious sites. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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/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/2095099098091090/The-Summer-Marked-The-Winter-People-2-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/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/6095099096090095/Night-Shadows-A-Rebekah-McCabe-Mystery-Rebekah-McCabe-Mysteries-Book-1-by-Bill-Craig.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/1095095097090099/Winter-s-Wrath-Sacrifice-Winter-s-Saga-3-by-Karen-Luellen.pdf
    • http://loaminoo.linkpc.net/2092090092097096/Winter-s-Scars-The-Forsaken-Winter-s-Saga-5-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/4097090096096090/Fit-Fit-1-by-Rebekah-Weatherspoon.pdf
    • http://loaminoo.linkpc.net/8091092093094094/Front-Row-by-Rebekah-N-Bryan.pdf
    • http://loaminoo.linkpc.net/5092090095095/Beaten-Broken-1-by-Rebekah-Rue.pdf
    • http://loaminoo.linkpc.net/5099095090090094/The-Princess-and-I-by-Rebekah-Eddy.pdf
    • http://loaminoo.linkpc.net/2094095094096094/At-Her-Feet-by-Rebekah-Weatherspoon.pdf
    • http://loaminoo.linkpc.net/3095095093093096/The-Fling-by-Rebekah-Weatherspoon.pdf
    • http://loaminoo.linkpc.net/1090098098096092098/Hush-Little-Baby-A-Jefferson-Winter-Thriller-0-6-The-Jefferson-Winter-Chronicles-2-by-James-Carol.pdf

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