Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d697673a480e260…

MALICIOUS

PDF

14.9 KB Created: 2019-05-04 12:38:37 +01:00 Authoring application: mPDF 5.7 First seen: 2019-10-30
MD5: b2cd22705d02b0dd01eeb9af08029404 SHA-1: 94fe3d90d73e61a8c24b2a6f93acc23f13d6bce6 SHA-256: 2d697673a480e26027b9cd522b46c50e8e33cda61c987569b031b277c380ca4b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, suggesting an attempt to direct users to a link farm for SEO or to host malicious content. The ML classifier also flagged this PDF as malicious. While the specific URLs are marked as benign, the sheer volume and structure indicate a suspicious pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/7098091094099/Before-The-Proof-by-Gary-Williams.pdf In PDF document text
    • http://loaminoo.linkpc.net/1090091098091090/Divorce-Proof-Your-Marriage-by-Gary-Rosberg.pdfIn PDF document text
    • http://loaminoo.linkpc.net/7091097094095098/Hiking-Ohio-by-Gary-Williams.pdfIn PDF document text
    • http://loaminoo.linkpc.net/7097094097095/Evil-in-the-Beginning-by-Gary-Williams.pdfIn PDF document text
    • http://loaminoo.linkpc.net/3098095093091093/Guardian-of-Guadalcanal-The-World-War-II-Story-of-Douglas-A-Munro-United-States-Coast-Guard-by-Gary-Williams.pdfIn PDF document text
    • http://loaminoo.linkpc.net/1090091093096092096/Proof-is-in-the-Chocolate-3-Proof-is-in-the-Chocolate-3-by-Lorrie-Bannett.pdfIn PDF document text
    • http://loaminoo.linkpc.net/9099093099098091/On-Bread-amp-Poetry-A-Panel-Discussion-with-Gary-Snyder-Lew-Welch-amp-Philip-Whalen-by-Gary-Snyder.pdfIn PDF document text
    • http://loaminoo.linkpc.net/3090099097092098/Cooking-at-Home-Williams-Sonoma-by-Chuck-Williams.pdfIn PDF document text
    • http://loaminoo.linkpc.net/8094095094090/Ritual-of-Proof-by-Dara-Joy.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2095092093097/Proof-of-Their-Sin-by-Dani-Collins.pdfIn PDF document text
    • http://loaminoo.linkpc.net/1093093093097094/A-Game-of-Proof-by-Tim-Vicary.pdfIn PDF document text
    • http://loaminoo.linkpc.net/3099092091099092/Baby-Proof-by-Emily-Giffin.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2094094090090091/Galley-Proof-by-Eric-Arvin.pdfIn PDF document text
    • http://loaminoo.linkpc.net/1093098095099097/G-del-s-Proof-by-Ernest-Nagel.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2098095098095099/The-Proof-of-the-Honey-by-Salwa-Al-Neimi.pdfIn PDF document text
    • http://loaminoo.linkpc.net/5090092097097095/Baby-Proof-by-Emily-Giffin.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2092094099097096/The-Proof-of-Love-by-Catherine-Hall.pdfIn PDF document text
    • http://loaminoo.linkpc.net/9093095092095096/Proof-Evident-by-John-Dicke.pdfIn PDF document text
    • http://loaminoo.linkpc.net/1091093095099093/The-Bitch-Proof-Suit-by-De-ann-Black.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2091099094093097/Proof-of-Lies-by-Diana-Rodriguez-Wallach.pdfIn PDF document text

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