Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa41ff0ffb710bc3…

MALICIOUS

PDF

18.5 KB Created: 2019-04-30 05:32:01 +01:00 Authoring application: mPDF 5.7
MD5: 2e2c0fcefa69fef801b9ee16ba9f2e65 SHA-1: 8187c2cb80dbb2bd814d3c6f26d3e93e1776ae3e SHA-256: fa41ff0ffb710bc3136fca1129e3f333e357e818ae380526bc5679bbacdeeb4e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF was flagged by an ML classifier as malicious and contains a large number of embedded links to external PDF files, suggesting a link farm or a distribution mechanism for further malicious content. The embedded URLs, while currently marked as benign, are part of a pattern indicative of SEO abuse or a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/3092097094093098/The-Book-of-Cthulhu-II-by-Ross-E-Lockhart.pdf
    • http://loaminoo.linkpc.net/3090097096091095/The-Book-of-Cthulhu-by-Ross-E-Lockhart.pdf
    • http://loaminoo.linkpc.net/4096099092092090/Chick-Bassist-by-Ross-E-Lockhart.pdf
    • http://loaminoo.linkpc.net/6095093091092096/Giallo-Fantastique-by-Ross-E-Lockhart.pdf
    • http://loaminoo.linkpc.net/9099090093092091/Dissecting-Cthulhu-Essays-on-the-Cthulhu-Mythos-by-S-T-Joshi.pdf
    • http://loaminoo.linkpc.net/3095094098099095/In-the-Belly-of-the-Beast-and-Other-Tales-of-Cthulhu-Wars-A-Cthulhu-Wars-Novel-by-Ben-Monroe.pdf
    • http://loaminoo.linkpc.net/1099099093091094/The-Boy-Book-A-Study-of-Habits-and-Behaviors-Plus-Techniques-for-Taming-Them-Ruby-Oliver-2-by-E-Lockhart.pdf
    • http://loaminoo.linkpc.net/3095094097093094/Blanket-of-Stars-Thru-Hiking-the-Camino-de-Santiago-Travel-Adventures-Book-1-by-C-W-Lockhart.pdf
    • http://loaminoo.linkpc.net/1094091098095092/Hidden-Treasures-in-the-Book-of-Job-How-the-Oldest-Book-in-the-Bible-Answers-Today-s-Scientific-Questions-by-Hugh-Ross.pdf
    • http://loaminoo.linkpc.net/4098090098093091/I-Don-t-Want-a-Cold-Little-Princess-Story-Book-by-Tony-Ross.pdf
    • http://loaminoo.linkpc.net/1095090094099094/After-The-Rising-A-Novel-An-Irish-Trilogy-Book-1-by-Orna-Ross.pdf
    • http://loaminoo.linkpc.net/3094094092097091/Tiny-People-in-Your-Semen-The-Discovery-of-Sperm-Funny-Learning-Series-Book-1-by-Caleb-J-Ross.pdf
    • http://loaminoo.linkpc.net/9093097096098097/Dornbusch-Mit-einem-Briefwechsel-zwischen-Ross-Thomas-und-J-rg-Fauser-by-Ross-Thomas.pdf
    • http://loaminoo.linkpc.net/1091094090094093095/The-Call-of-the-Cthulhu-by-H-P-Lovecraft.pdf
    • http://loaminoo.linkpc.net/4094094099091099/The-Spawn-of-Cthulhu-by-Lin-Carter.pdf
    • http://loaminoo.linkpc.net/1092090096099098/How-to-Be-Bad-by-E-Lockhart.pdf
    • http://loaminoo.linkpc.net/1099098091092093/How-to-Be-Bad-by-E-Lockhart.pdf
    • http://loaminoo.linkpc.net/6091094096091092/The-Call-of-Cthulhu---Illustrated-by-H-P-Lovecraft.pdf
    • http://loaminoo.linkpc.net/9099090092095092/The-Art-of-H-P-Lovecraft-s-the-Cthulhu-Mythos-by-Pat-Harrigan.pdf
    • http://loaminoo.linkpc.net/3090097097097098/Cthulhu-s-Reign-by-Darrell-Schweitzer.pdf
    • http://loaminoo.linkpc.net/3095094097093094/Blanket-of-Stars-Thru-Hiking-the-Camino-de-Santiago-Travel-Adventures-Book

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