Malicious PDF — malware analysis report

Static analysis result for SHA-256 9866121c2aa1b4af…

MALICIOUS

PDF

22.2 KB Created: 2019-05-02 05:10:29 +01:00 Authoring application: mPDF 5.7
MD5: 0c0fd0761422dee4c4f8b1693f374d76 SHA-1: 1850b59ad6180b022ae002fa1280b9198187a7a8 SHA-256: 9866121c2aa1b4af138152eede50750c2e6da9401e9d3630c1a23e329753c1df
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. While the URLs themselves are marked as benign, the heuristic 'PDF_SEO_LINK_FARM' indicates a malicious intent to generate traffic or potentially lead users to malicious content through a large number of generated links. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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/7092096097098091/No-6-The-Manga-Volume-02-No-6-The-Manga-2-by-Atsuko-Asano.pdf
    • http://loaminoo.linkpc.net/6090090092091/No-6-The-Manga-Volume-01-No-6-The-Manga-1-by-Atsuko-Asano.pdf
    • http://loaminoo.linkpc.net/3091096096093096/No-6-The-Manga-Volume-05-No-6-The-Manga-5-by-Atsuko-Asano.pdf
    • http://loaminoo.linkpc.net/1091091092092092099/How-to-Draw-Manga-Sketching-Manga-Style-Volume-4-All-About-Perspective-by-Hikaru-Hayashi.pdf
    • http://loaminoo.linkpc.net/1091091092092093091/How-To-Draw-Manga-Sketching-Manga-Style-Volume-2-Logical-Proportions-by-Hikaru-Hayashi.pdf
    • http://loaminoo.linkpc.net/1091091092094092098/How-To-Draw-Manga-Ultimate-Manga-Lessons-Volume-3-Drawing-Sensational-Characters-by-Hikaru-Hayashi.pdf
    • http://loaminoo.linkpc.net/8092095093098096/How-to-Draw-Manga-Mastering-Manga-Drawings-How-to-Draw-Manga-Girls-Eyes-Scenes-for-Beginners-by-Andrew-Harnes.pdf
    • http://loaminoo.linkpc.net/1091091092092099092/How-to-Draw-Manga-Sketching-Manga-Style-Volume-5-Sketching-Props-by-Hikaru-Hayashi.pdf
    • http://loaminoo.linkpc.net/7093097094093096/Articles-on-Adv-Manga-Including-Azumanga-Daioh-A-D-Vision-Yotsuba-amp-Peace-Maker-Manga-Gunslinger-Girl-Chrono-Crusade-Those-Who-Hunt-Elves-Steel-Angel-Kurumi-the-Mythical-Detective-Loki-Ragnarok-Rune-Soldier-Aria-Manga-by-Hephaestus-Books.pdf
    • http://loaminoo.linkpc.net/8092095092098094/Manga-Manga-The-World-of-Japanese-Comics-by-Frederik-L-Schodt.pdf
    • http://loaminoo.linkpc.net/1090096097093094098/Manga-Trainer-So-lernst-Du-Manga-zeichnen-by-Stefan-Hofmeister.pdf
    • http://loaminoo.linkpc.net/8097093090098092/Inu-Yasha-Ani-Manga-Vol-9-Inuyasha-Ani-Manga-9-by-Rumiko-Takahashi.pdf
    • http://loaminoo.linkpc.net/8092095093093090/The-Manga-Cookbook-by-The-Manga-University-Culinary-Institute.pdf
    • http://loaminoo.linkpc.net/1090093098099099097/The-Practical-Encyclopedia-of-Manga-Learn-to-Draw-Manga-Step-by-Step-with-More-Than-1000-Illustrations-by-Tim-Seelig.pdf
    • http://loaminoo.linkpc.net/8090093096097093/The-Manzai-1-by-Atsuko-Asano.pdf
    • http://loaminoo.linkpc.net/1091091092092098098/How-To-Draw-Manga-Volume-36-Animals-by-Hikaru-Hayashi.pdf
    • http://loaminoo.linkpc.net/9097099093099096/Doors-of-Chaos-Volume-2-Manga-by-Ryoko-Mitsuki.pdf
    • http://loaminoo.linkpc.net/2090093098090093/Daniel-X-The-Manga-Vol-1-Daniel-X-The-Manga-1-by-James-Patterson.pdf
    • http://loaminoo.linkpc.net/1098091095092098/InuYasha-Ani-Manga-Vol-5-Inuyasha-Ani-Manga-5-by-Rumiko-Takahashi.pdf
    • http://loaminoo.linkpc.net/2090093098090091/Daniel-X-The-Manga-Vol-3-Daniel-X-The-Manga-3-by-James-Patterson.pdf
    • http://loaminoo.linkpc.net/1091091092094092098/How-To-Draw-Manga-Ultimate-Manga-Lessons-Volume-3-Dr