Malicious PDF — malware analysis report

Static analysis result for SHA-256 a697000eb77c3c97…

MALICIOUS

PDF

15.8 KB Created: 2019-05-01 19:17:10 +01:00 Authoring application: mPDF 5.7
MD5: 3c791ec1e1592ae8de03f582b9b2e45a SHA-1: fdd3adef4ff98bb100a5b1e06fde314273c74270 SHA-256: a697000eb77c3c979db7f67193fffe0529c45ed8f79a8ab6e580c37f1541766f
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various book titles hosted on loaminoo.linkpc.net. While the URLs themselves are marked as confirmed benign, the sheer volume and the nature of the heuristic suggest a malicious intent, possibly for SEO manipulation or to distribute further payloads. No scripts were extracted from this sample.

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/6094094097090091/Chronicles-The-Library-of-Illumination-The-Library-of-Illumination-1-5-by-C-A-Pack.pdf
    • http://loaminoo.linkpc.net/6094094097090097/Second-Chronicles-of-Illumination-by-C-A-Pack.pdf
    • http://loaminoo.linkpc.net/1091090090091098/Second-Chronicles-of-Illumination-by-C-A-Pack.pdf
    • http://loaminoo.linkpc.net/1091091098099096098/The-Kohn-Hennig-Library-A-Catalog-by-The-South-Caroliniana-Library.pdf
    • http://loaminoo.linkpc.net/4093096096094093/Through-the-Library-Door-Library-Tales-4-by-Thianna-D-.pdf
    • http://loaminoo.linkpc.net/6094094096099099/The-Illumination-by-Jill-Gregory.pdf
    • http://loaminoo.linkpc.net/2092097091094090/Illumination-by-Hafsa-Mustafa.pdf
    • http://loaminoo.linkpc.net/6094094097090092/Illumination-by-Matthew-Plampin.pdf
    • http://loaminoo.linkpc.net/6094094097097092/Illumination-of-Consciousness-by-Frederick-Dodson.pdf
    • http://loaminoo.linkpc.net/6094094097096099/Pathways-to-Illumination-by-Christy-Birmingham.pdf
    • http://loaminoo.linkpc.net/6094094098090097/The-Illumination-Of-Merton-Browne-by-J-M-Shaw.pdf
    • http://loaminoo.linkpc.net/6094094097090094/The-Bahir-Illumination-by-Aryeh-Kaplan.pdf
    • http://loaminoo.linkpc.net/6094094097090093/The-Book-of-Illumination-by-Mary-Ann-Winkowski.pdf
    • http://loaminoo.linkpc.net/6094094098091099/Crystalline-Illumination-The-Way-of-the-Five-Bodies-by-Katrina-Raphaell.pdf
    • http://loaminoo.linkpc.net/6094094098091096/Signs-on-the-Horizons-Meetings-with-Men-of-Knowledge-and-Illumination-by-Michael-Sugich.pdf
    • http://loaminoo.linkpc.net/1093090097098/Escape-from-Mr-Lemoncello-s-Library-Mr-Lemoncello-s-Library-1-by-Chris-Grabenstein.pdf
    • http://loaminoo.linkpc.net/3095090090/The-Invisible-Library-The-Invisible-Library-1-by-Genevieve-Cogman.pdf
    • http://loaminoo.linkpc.net/9090094093095/Library-Mouse-Library-Mouse-1-by-Daniel-Kirk.pdf
    • http://loaminoo.linkpc.net/8092098093097094/Murder-at-the-42nd-Street-Library-42nd-Street-Library-Mystery-1-by-Con-Lehane.pdf
    • http://loaminoo.linkpc.net/6094094098098098/Matchless-An-Illumination-of-Hans-Christian-Andersen-s-Classic-quot-The-Little-Match-Girl-quot-by-Gregory-Maguire.pdf
    • http://loaminoo.linkpc.net/6094094097090094/The-Bahir-Illumination-by-Aryeh-Kapla

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