Malicious PDF — malware analysis report

Static analysis result for SHA-256 18f2bb8ec8a4dc39…

MALICIOUS

PDF

16.6 KB Created: 2019-04-30 04:56:40 +01:00 Authoring application: mPDF 5.7
MD5: 5457e01474bd4bc0cb49648868d1b03e SHA-1: b75e799c1cecf6eae2db280d918eee46664d3b87 SHA-256: 18f2bb8ec8a4dc39184162234260b787ec21671074f199611ed0971fedc8b6f0
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, a technique often used for SEO spam or to distribute further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

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/3099090092093094/Deeper-Than-Midnight-Midnight-Breed-9-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/2094098099093093/Tempted-by-Midnight-Midnight-Breed-12-5-1001-Dark-Nights-9-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/2090098093098094/Midnight-Breed-Trilogy-Midnight-Breed-1-3-amp-8-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/3093099096090090/Darker-After-Midnight-Midnight-Breed-10-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/3097096093095097/A-Touch-of-Midnight-Midnight-Breed-0-5-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/4090099095091094/Midnight-Awakening-Midnight-Breed-3-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/3093097097094/Midnight-Awakening-Midnight-Breed-3-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/1097092094092093/Midnight-Awakening-Midnight-Breed-3-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/3094095098099/Ashes-of-Midnight-Midnight-Breed-6-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/4090096091099096/Shades-of-Midnight-Midnight-Breed-7-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/1093093096090099/A-Touch-of-Midnight-Midnight-Breed-0-5-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/3095097094093097/Midnight-Rising-Midnight-Breed-4-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/3094099097094/Taken-by-Midnight-Midnight-Breed-8-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/2091093091093091/Taken-by-Midnight-Midnight-Breed-8-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/4093095091090092/Edge-of-Dawn-Midnight-Breed-11-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/2091099098093092/The-Midnight-Breed-Series-Companion-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/2097099095092098/Claimed-in-Shadows-Midnight-Breed-15-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/1097092094092097/Kiss-of-Crimson-Midnight-Breed-2-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/4094094091097099/The-Dark-Warrior-Series-The-Complete-Collection-Contains-Midnight-s-Master-Midnight-s-Lover-Midnight-s-Seduction-Midnight-s-Warrior-Midnight-s-Kiss-Surrender-novella-Dark-Warriors-by-Donna-Grant.pdf
    • http://loaminoo.linkpc.net/3091093099093092/The-Half-Breed-Vampire-Sons-of-Midnight-3-by-Theresa-Meyers.pdf

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