Malicious PDF — malware analysis report

Static analysis result for SHA-256 081a04d724477365…

MALICIOUS

PDF

16.7 KB Created: 2019-04-30 04:06:04 +01:00 Authoring application: mPDF 5.7
MD5: a18e0ccb09b5c8a08657406fc41e70a8 SHA-1: 35366c6a7ab1c61da528cd252594f9a8c1053fda SHA-256: 081a04d724477365c7f194fa61011e04c82d764246e8bda173619293d2ffa76b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

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

Machine Learning

  • Nyx PDF Classifier malicious score 0.9913

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/3098090092096099/Expecting-Adam-by-Martha-N-Beck.pdf
    • http://loaminoo.linkpc.net/1091094097093097096/Tragedy-and-the-Philosophical-Life-A-Response-to-Martha-Nussbaum-by-Martha-C-Beck.pdf
    • http://loaminoo.linkpc.net/4097099098092098/GEDLA-ADAM-The-Combat-of-Adam-Against-Satan-The-Book-of-Adam-amp-Eve-by-Ethiopian-Church.pdf
    • http://loaminoo.linkpc.net/7090094094094099/Martha-Inc-The-Incredible-Story-of-Martha-Stewart-Living-Omnimedia-by-Christopher-M-Byron.pdf
    • http://loaminoo.linkpc.net/2093095091094099/Martha-Martha-The-Good-Part-by-Teresa-R-Jones.pdf
    • http://loaminoo.linkpc.net/4096092099095090/Expecting-Someone-Taller-by-Tom-Holt.pdf
    • http://loaminoo.linkpc.net/2099099095094097/What-to-Expect-When-You-re-Expecting-by-Brego_Mellon_Nin.pdf
    • http://loaminoo.linkpc.net/1093099099099091/Expecting-Someone-Taller-by-Tom-Holt.pdf
    • http://loaminoo.linkpc.net/5096094097094095/Confidential-Expecting-by-Jackie-Braun.pdf
    • http://loaminoo.linkpc.net/4098098097098090/What-Not-To-Expect-When-You-re-Expecting-by-Amy-Lynn-Steele.pdf
    • http://loaminoo.linkpc.net/2098093092094096/Expecting-Royal-Twins-by-Melissa-McClone.pdf
    • http://loaminoo.linkpc.net/3090091097093091/Expecting-My-Billionaire-Stepbrother-s-Baby---Part-One-by-Emilia-Beaumont.pdf
    • http://loaminoo.linkpc.net/4098099093099094/Expecting-His-Love-Child-House-of-Kolovsky-1-by-Carol-Marinelli.pdf
    • http://loaminoo.linkpc.net/2095099091097094/What-to-Expect-When-You-re-Expecting-Joeys-A-Guide-for-Marsupial-Parents-by-Bridget-Heos.pdf
    • http://loaminoo.linkpc.net/7093090091096096/The-Art-of-Expecting-Simple-Ways-to-Make-Room-for-the-Future-by-Veronique-Vienne.pdf
    • http://loaminoo.linkpc.net/1091098091099095097/El-celibato-sacerdotal-Ensayo-n-458-by-Johann-Adam-Adam-M-ller.pdf
    • http://loaminoo.linkpc.net/6093096096095093/Adam-s-Tiger-Adam-s-Chronicles-Book-3-by-Lawrence-Lapin.pdf
    • http://loaminoo.linkpc.net/3090098093094090/Martha-Stewart-s-Cakes-Our-First-Ever-Book-of-Bundts-Loaves-Layers-Coffee-Cakes-and-more-by-Martha-Stewart.pdf
    • http://loaminoo.linkpc.net/3091091091098094/Martha-Stewart-s-Menus-for-Entertaining-by-Martha-Stewart.pdf
    • http://loaminoo.linkpc.net/1099091091099090/Beck-Mongolian-Chop-Squad-Volume-1-Beck-Mongolian-Chop-Squad-1-by-Harold-Sakuishi.pdf

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