Malicious PDF — malware analysis report

Static analysis result for SHA-256 683d2e8177c1b33c…

MALICIOUS

PDF

19.4 KB Created: 2019-04-30 04:59:11 +01:00 Authoring application: mPDF 5.7
MD5: ace2aa8356f42bd6900735e975915acb SHA-1: 49c7dd1304dadaeeb0b8a680da59fba861950581 SHA-256: 683d2e8177c1b33c9f1bf49f67b8340f927af43276107f127772b84cad3590cf
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the presence of numerous links suggests an attempt to redirect the user to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/9094091096094091/Die-Legende-Von-Schlaf-Tal-The-Legend-of-Sleepy-Hollow-by-Washington-Irving.pdf
    • http://loaminoo.linkpc.net/2097092097097093/The-Legend-of-Sleepy-Hollow-by-Washington-Irving.pdf
    • http://loaminoo.linkpc.net/1090091099097091092/The-Legend-of-Sleepy-Hollow-by-Washington-Irving.pdf
    • http://loaminoo.linkpc.net/8097095094090/Legend-of-Sleepy-Hollow-and-Rip-Van-Winkle-by-Washington-Irving.pdf
    • http://loaminoo.linkpc.net/4094094099095096/The-Legend-of-Sleepy-Hollow-and-Other-Tales-by-Washington-Irving.pdf
    • http://loaminoo.linkpc.net/8091096095099092/A-Lenda-Do-Vale-Dormir-The-Legend-of-Sleepy-Hollow-by-Washington-Irving.pdf
    • http://loaminoo.linkpc.net/5093098094098093/The-Legend-of-Sleepy-Hollow-and-the-Spectre-Bridegroom-From-the-Sketch-Book-by-Washington-Irving.pdf
    • http://loaminoo.linkpc.net/1091095091090091093/The-legend-of-Sleepy-Hollow-Found-Among-the-Papers-of-the-Late-Diedrich-Knickerbocker-by-Washington-Irving.pdf
    • http://loaminoo.linkpc.net/1090096098093098099/La-leyenda-de-Sleepy-Hollow-edici-n-biling-e-Libro-biling-e-English-Espa-ol-by-Washington-Irving.pdf
    • http://loaminoo.linkpc.net/8095091095091090/The-Sketch-Book-by-Washington-Irving-with-Sketch-of-the-Author-s-Life-and-Compositional-Critical-and-Explanatory-Notes-By-G-A-Chase-by-Washington-Irving.pdf
    • http://loaminoo.linkpc.net/3095095092096094/The-Sleepy-Hollow-Family-Almanac-by-Kris-D-39-Agostino.pdf
    • http://loaminoo.linkpc.net/1090091096095097098/The-Legend-of-Sleepy-Hollow-and-Rip-Van-Winkle-by-Jack-Kelly.pdf
    • http://loaminoo.linkpc.net/1096091091092095/Whiskey-Dreams-Sleepy-Hollow-1-by-Ranae-Rose.pdf
    • http://loaminoo.linkpc.net/3098091096098098/Sleepy-Hollow-and-the-Road-You-d-Better-Not-Follow-by-Donna-Davies.pdf
    • http://loaminoo.linkpc.net/1090097090090098098/Colonial-Horrors-Sleepy-Hollow-and-Beyond-by-Graeme-Davis.pdf
    • http://loaminoo.linkpc.net/4099096096095097/Spellbound-in-Sleepy-Hollow-A-Von-Tassel-Sisters-Anthology-by-Patricia-Eimer.pdf
    • http://loaminoo.linkpc.net/2099098091091095/Sleepy-Hollow-Rise-Headless-and-Ride-Jason-Crane-1-by-Richard-Gleaves.pdf
    • http://loaminoo.linkpc.net/8097099090095095/Murder-amp-Mystery-The-Hound-of-the-Baskervilles-Macbeth-The-Legend-of-Sleepy-Hollow-by-Monica-Rausch.pdf
    • http://loaminoo.linkpc.net/1090091096095098097/Rip-Van-Winkle-by-Washington-Irving.pdf
    • http://loaminoo.linkpc.net/1099094090094090/Rip-Van-Winkle-by-Washington-Irving.pdf

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