Malicious PDF — malware analysis report

Static analysis result for SHA-256 6af03fafdbbfd48b…

MALICIOUS

PDF

16.9 KB Created: 2019-05-03 05:02:20 +01:00 Authoring application: mPDF 5.7
MD5: a3a52a271215328a341db6eb70ffd5f6 SHA-1: dad1caf120f148ce79257930a5d7b5cf0a2f5ddf SHA-256: 6af03fafdbbfd48ba20b798eb046eadd4fe81c032ebfdd637ff542837f4d482a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to direct users to external resources. The ML classifier also flagged this PDF as malicious, indicating a high probability of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/2095091093091092/Ivy-and-Bean-Super-special-Collection-Books-1-8-Ivy-Bean-by-Annie-Barrows.pdf
    • http://loaminoo.linkpc.net/5096096091097/Ivy-and-Bean-Break-the-Fossil-Record-Ivy-and-Bean-3-by-Annie-Barrows.pdf
    • http://loaminoo.linkpc.net/6093099090095/Ivy-and-Bean-Doomed-to-Dance-Ivy-and-Bean-6-by-Annie-Barrows.pdf
    • http://loaminoo.linkpc.net/4092099091090/Ivy-and-Bean-and-the-Ghost-That-Had-to-Go-Ivy-and-Bean-2-by-Annie-Barrows.pdf
    • http://loaminoo.linkpc.net/6090093099099090/Ivy-and-Bean-Take-the-Case-Ivy-and-Bean-10-by-Annie-Barrows.pdf
    • http://loaminoo.linkpc.net/2091099094092092/Nothing-by-Annie-Barrows.pdf
    • http://loaminoo.linkpc.net/4098096090098095/The-Truth-According-to-Us-by-Annie-Barrows.pdf
    • http://loaminoo.linkpc.net/4093094093095092/The-Magic-Half-by-Annie-Barrows.pdf
    • http://loaminoo.linkpc.net/6090093099099091/The-Barrows-Gryphonpike-Chronicles-1-4-by-Annie-Bellet.pdf
    • http://loaminoo.linkpc.net/1098091093096096/Boxed-in-Annie-s-Attic-Mysteries-8-by-Karen-Kelly.pdf
    • http://loaminoo.linkpc.net/1091094090099098095/Bean-Takes-a-Walk-Bean-in-the-Garden-1-by-Ann-Bevans.pdf
    • http://loaminoo.linkpc.net/1091094090098097090/Bean-By-Bean-A-Cookbook-by-Crescent-Dragonwagon.pdf
    • http://loaminoo.linkpc.net/1091094091090092092/The-Cowgirl-Aunt-of-Harriet-Bean-Harriet-Bean-3-by-Alexander-McCall-Smith.pdf
    • http://loaminoo.linkpc.net/1091094091090091097/The-Five-Lost-Aunts-of-Harriet-Bean-Harriet-Bean-1-by-Alexander-McCall-Smith.pdf
    • http://loaminoo.linkpc.net/3091090097090096/Bean-by-Bean-A-Cookbook-More-Than-175-Recipes-for-Fresh-Beans-Dried-Beans-Cool-Beans-Hot-Beans-Savory-Beans-Even-Sweet-Beans-by-Crescent-Dragonwagon.pdf
    • http://loaminoo.linkpc.net/6090094090095094/Winning-A-Guide-to-Games-That-Never-Were-by-Brandon-Barrows.pdf
    • http://loaminoo.linkpc.net/1090096094095092097/Die-Legenden-der-Verfluchten-Die-goldene-Morgend-mmerung-by-Eden-Barrows.pdf
    • http://loaminoo.linkpc.net/6090094090091096/Threads-of-Change-A-Quilting-Story-1-by-Jodi-Barrows.pdf
    • http://loaminoo.linkpc.net/3090096091099095/Three-by-Annie-Dillard-Pilgrim-at-Tinker-Creek-An-American-Childhood-The-Writing-Life-by-Annie-Dillard.pdf
    • http://loaminoo.linkpc.net/4097095094098099/Annie-Moore-First-in-Line-for-America-Annie-Moore-1-by-Eithne-Loughrey.pdf

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