Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e05a41002946def…

MALICIOUS

PDF

14.6 KB Created: 2019-05-04 00:39:18 +01:00 Authoring application: mPDF 5.7
MD5: 22f794caa0c6f2711cea223d019e65b7 SHA-1: 2bcc5e0a4cf03bc42afd87ab0cd75aac4ffa8f19 SHA-256: 6e05a41002946defabf4cbefa12ee79b9a6be83780de774b4718d2120dca038e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains a large number of embedded links to external PDF documents, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this sample as malicious. While no scripts were explicitly extracted, the structure suggests potential for JavaScript execution within the PDF, which could be used to facilitate the redirection to these external links.

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/1096095096098096/Walking-on-Water-Reflections-on-Faith-and-Art-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/7090099094094091/Walking-on-Water-with-St-Peter-Reflections-to-Strengthen-Your-Faith-by-Giuseppe-Agostino.pdf
    • http://loaminoo.linkpc.net/3095099090090094/The-Other-Dog-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/2099093090091090/Camilla-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/1090097090093096/And-Both-Were-Young-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/2096091093090091/A-Severed-Wasp-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/8093099099097/A-Wrinkle-in-Time-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/3095096096099097/A-House-Like-a-Lotus-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/2098093099093094/A-Swiftly-Tilting-Planet-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/1099094092098091/A-Circle-of-Quiet-Crosswicks-Journals-1-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/2094091097093095/A-Wind-in-the-Door-Time-Book-2-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/3093095090090/A-Wind-in-the-Door-Time-Quintet-2-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/3090096090099098/The-Arm-of-the-Starfish-O-Keefe-Family-1-Kairos-5-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/2099092099096091/The-Moon-by-Night-Austin-Family-2-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/2099092096099099/A-Swiftly-Tilting-Planet-Time-3-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/3090098096095/A-Swiftly-Tilting-Planet-Time-Quintet-3-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/3096097091093097/Bright-Evening-Star-Mystery-of-the-Incarnation-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/2093095098090097/A-Wind-in-the-Door-A-Wrinkle-in-Time-Quintet-2-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/3098096097098090/A-Ring-of-Endless-Light-Austin-Family-4-by-Madeleine-L-39-Engle.pdf
    • http://loaminoo.linkpc.net/1098096099096098/A-Ring-of-Endless-Light-Austin-Family-Book-4-by-Madeleine-L-39-Engle.pdf

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