Malicious PDF — malware analysis report

Static analysis result for SHA-256 a41c7416c27a8e33…

MALICIOUS

PDF

22.5 KB Created: 2019-05-04 13:59:54 +01:00 Authoring application: mPDF 5.7
MD5: 680ac2b0ff8cbd6b639bc67b2a48d636 SHA-1: 371d7bf0fde4a05494ac02c6f714c00af37e8db0 SHA-256: a41c7416c27a8e33e6ef3f89db53df129f3fea5c63f2ce00d32142191ddc5b88
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF documents, suggesting a link farm or content stuffing tactic. The document body is heavily obfuscated, but the presence of numerous URLs indicates an attempt to direct users to external content. No scripts were extracted from this sample.

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/9090098093094090/The-Everything-Word-Search-Book-Over-250-Puzzles-to-Keep-You-Entertained-for-Hours-by-Charles-Timmerman.pdf
    • http://loaminoo.linkpc.net/9090098092097094/The-Everything-Giant-Book-of-Word-Searches-Over-300-puzzles-challenge-even-the-most-diehard-word-search-fans-Over-300-Puzzles-to-Challenge-Even-the-Most-Diehard-Word-Search-Fan-by-Charles-Timmerman.pdf
    • http://loaminoo.linkpc.net/9090098094096091/The-Everything-Travel-Word-Search-Book-Around-the-world-in-150-non-stop-high-flying-action-packed-puzzles-by-Charles-Timmerman.pdf
    • http://loaminoo.linkpc.net/9090098093097097/The-Everything-Large-Print-Bible-Word-Search-Book-150-inspirational-puzzles---now-in-large-print-by-Charles-Timmerman.pdf
    • http://loaminoo.linkpc.net/8097095093095096/Word-Search-Puzzles-Easy-to-Intermediate-by-Alicia-Aiken.pdf
    • http://loaminoo.linkpc.net/8097096098099092/The-Everything-Kids-Math-Puzzles-Book-Brain-Teasers-Games-and-Activities-for-Hours-of-Fun-by-Meg-Clemens.pdf
    • http://loaminoo.linkpc.net/9090098094094099/The-Everything-Giant-Book-of-Easy-Crosswords-Over-300-easy-and-enjoyable-crosswords-for-your-entertainment-by-Charles-Timmerman.pdf
    • http://loaminoo.linkpc.net/7097092094093090/The-Word-Search-Oracle--Yoga-for-the-Brain-by-Cristina-Smith.pdf
    • http://loaminoo.linkpc.net/8092097098092091/The-Big-Book-of-Puzzles-and-Games-by-Gyles-Brandreth.pdf
    • http://loaminoo.linkpc.net/6099094095098097/Mots-Caches---A-Basic-French-Vocabulary-Review-in-Word-Search-Puzzle-Form-by-Philippe-Delannoy.pdf
    • http://loaminoo.linkpc.net/7094093098093098/The-Great-Book-Of-Puzzles-And-Teasers-by-George-J-Summers.pdf
    • http://loaminoo.linkpc.net/7094093099090098/Alice-in-Wonderland-Jigsaw-Book-With-Seven-48-Piece-Puzzles-by-Lewis-Carroll.pdf
    • http://loaminoo.linkpc.net/4097099096099096/Sifting-Through-the-Madness-for-the-Word-the-Line-the-Way-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/1090094093093096097/Moses-A-Man-of-Selfless-Dedication-Great-Lives-From-God-s-Word-4-by-Charles-R-Swindoll.pdf
    • http://loaminoo.linkpc.net/2093090095095094/USA-TODAY-Logic-Puzzles-200-Puzzles-from-The-Nation-s-No-1-Newspaper-by-USA-Today.pdf
    • http://loaminoo.linkpc.net/1091096099092093/Ink-The-Book-of-All-Hours-2-by-Hal-Duncan.pdf
    • http://loaminoo.linkpc.net/1094090097097099/Oswald-s-Book-of-Hours-by-Steve-Ely.pdf
    • http://loaminoo.linkpc.net/3091093098091098/Vellum-The-Book-of-All-Hours-1-by-Hal-Duncan.pdf
    • http://loaminoo.linkpc.net/2091094099090090/Alpha-and-Omega-The-Search-for-the-Beginning-and-End-of-the-Universe-by-Charles-Seife.pdf
    • http://loaminoo.linkpc.net/2094097096099093/The-Book-of-Hours-by-Maria-Elena-Alonso-Sierra.pdf
    • http://loaminoo.linkpc.net/9090098094

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