Malicious PDF — malware analysis report

Static analysis result for SHA-256 4000c9fca933f790…

MALICIOUS

PDF

15.3 KB Created: 2019-05-02 05:47:16 +01:00 Authoring application: mPDF 5.7
MD5: 37c8338d002de37f2cc8b38c4a435428 SHA-1: b6b0ec8af44f9023d096ee6aec3c3516dc7125ce SHA-256: 4000c9fca933f790a683572fe50364b36256055edb73e100a83b9759bf5bd21f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded links to external PDF documents, a technique often used for SEO poisoning or to redirect users to malicious content. The ML classifier strongly indicated maliciousness. No scripts were extracted from this sample, and the document body was unreadable, so the primary attack vector is the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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.l
    • http://loaminoo.linkpc.net/1097098093098093/Longing-Sons-of-Navarus-2-5-by-Gabrielle-Bisset.pdf
    • http://loaminoo.linkpc.net/1097098094090098/Blood-Prophecy-Sons-of-Navarus-4-by-Gabrielle-Bisset.pdf
    • http://loaminoo.linkpc.net/1097098094090092/Vampire-Dreams-Revamped-Sons-of-Navarus-0-5-by-Gabrielle-Bisset.pdf
    • http://loaminoo.linkpc.net/1097098093098099/Stolen-Destiny-The-Destined-Ones-1-by-Gabrielle-Bisset.pdf
    • http://loaminoo.linkpc.net/2099091099092090/The-Victorian-Erotic-Romance-Trilogy-by-Gabrielle-Bisset.pdf
    • http://loaminoo.linkpc.net/1096092094095097/Longing-for-Love-Love-Lust-and-the-Longing-for-God-3-by-Justice-Saint-Rain.pdf
    • http://loaminoo.linkpc.net/3099094090093093/Sons-of-Earth-Sons-of-Outlaws-Book-1-by-James-Cox.pdf
    • http://loaminoo.linkpc.net/5090091096092094/Midnight-Sons-Volume-3-The-Last-Two-Bachelors-Falling-for-Him-Ending-in-Marriage-Midnight-Sons-Series-5-6-by-Debbie-Macomber.pdf
    • http://loaminoo.linkpc.net/3095099098094095/Sons-of-Mayhem-3-War-and-Vengeance-Sons-of-Mayhem-1-3-by-Nikki-Pink.pdf
    • http://loaminoo.linkpc.net/5099094092099090/The-Sons-of-Satrina-A-Sons-of-Satrina-Novel-by-Kristan-Belle.pdf
    • http://loaminoo.linkpc.net/3095099093099092/Sons-of-Mayhem-Sons-of-Mayhem-1-by-Nikki-Pink.pdf
    • http://loaminoo.linkpc.net/4094095092098091/The-Age-of-Longing-by-Arthur-Koestler.pdf
    • http://loaminoo.linkpc.net/3096098092098090/Longing-for-Kayla-by-Lauren-Fraser.pdf
    • http://loaminoo.linkpc.net/6093092094095/Longing-Legacy-1-by-Ciana-Stone.pdf
    • http://loaminoo.linkpc.net/1095096096091098/The-Consequences-of-Longing-by-Peter-Boody.pdf
    • http://loaminoo.linkpc.net/1095092093099092/Seven-Years-of-Longing-by-Taryn-Scarlett.pdf
    • http://loaminoo.linkpc.net/1090092091095092096/Adventures-of-Heart-Longing-by-Julie-Klassen.pdf
    • http://loaminoo.linkpc.net/9094098095092/Love-and-Longing-in-Bombay-by-Vikram-Chandra.pdf
    • http://loaminoo.linkpc.net/2096097093091094/Longing-love-An-erotic-box-set-of-5-novellas-by-A-L-Wood.pdf
    • http://loaminoo.linkpc.net/2095098090095/The-Longing-Grayson-Brothers-2-by-Wendy-Lindstrom.pdf

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