Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b4edb4ce62bad6b…

MALICIOUS

PDF

19.0 KB Created: 2019-04-30 17:41:47 +01:00 Authoring application: mPDF 5.7
MD5: f1a1bdc810b1453febea397a43458a74 SHA-1: 978eb060d8539ded2e0e89b8ac55eb316ebeac56 SHA-256: 6b4edb4ce62bad6bc1953270c5f71eeddbc715667e5bc880c5db5613c5899bd9
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, forming a link farm. These URLs are presented in a way that suggests they lead to book downloads, but the heuristic 'PDF_SEO_LINK_FARM' indicates this is a tactic to obscure malicious intent. The ML classifier also flagged the PDF as malicious with high confidence.

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/1092097091095096/Jade-Once-Upon-a-Zombie-Apocalypse-1-POV-2-by-Jennifer-Malone-Wright.pdf
    • http://loaminoo.linkpc.net/8094090090096091/Love-amp-War-The-Arcadia-Falls-Chronicles-1-by-Jennifer-Malone-Wright.pdf
    • http://loaminoo.linkpc.net/3098093090095096/Keeper-of-the-Peace-Graveyard-Guardians-2-by-Jennifer-Malone-Wright.pdf
    • http://loaminoo.linkpc.net/8094090091099094/Mortals-and-Magic-The-Arcadia-Falls-Chronicles-8-by-Jennifer-Malone-Wright.pdf
    • http://loaminoo.linkpc.net/4090096095091096/Zombie-Apocalypse-Fightback-Zombie-Apocalypse-2-by-Stephen-Jones.pdf
    • http://loaminoo.linkpc.net/9092090090099/Love-amp-the-Zombie-Apocalypse-Zombie-Apocalypse-1-by-Chelsea-Luna.pdf
    • http://loaminoo.linkpc.net/4094099090095095/Zombie-Country-Zombie-Apocalypse-2-by-Samantha-Hoffman.pdf
    • http://loaminoo.linkpc.net/1092096090095096/Zombie-Island-Zombie-Apocalypse-1-by-Samantha-Hoffman.pdf
    • http://loaminoo.linkpc.net/3096091093094092/The-Vampire-Hunter-s-Daughter-Part-VI-The-Vampire-Hunters-Daughter-6-by-Jennifer-Malone-Wright.pdf
    • http://loaminoo.linkpc.net/6091097090095092/Dawn-of-the-Apocalypse-A-Zombie-Apocalypse-Novel-by-T-W-Gallier.pdf
    • http://loaminoo.linkpc.net/1091099097091096/The-Vampire-Hunter-s-Daughter-Complete-Collection-The-Vampire-Hunter-s-Daughter-1-6-by-Jennifer-Malone-Wright.pdf
    • http://loaminoo.linkpc.net/3096091090095097/The-Vampire-Hunter-s-Daughter-Part-III-The-Vampire-Hunter-s-Daughter-3-by-Jennifer-Malone-Wright.pdf
    • http://loaminoo.linkpc.net/3096091093092095/The-Vampire-Hunter-s-Daughter-Part-V-The-Vampire-Hunter-s-Daughter-5-by-Jennifer-Malone-Wright.pdf
    • http://loaminoo.linkpc.net/3099094099094094/Apocalypse-Z-A-Zombie-Novel-by-G-E-Swanson.pdf
    • http://loaminoo.linkpc.net/3094099090099090/The-Man-From-U-N-D-E-A-D---Zombie-Apocalypse-Now-The-Man-From-U-N-D-E-A-D-2-by-Darren-Humphries.pdf
    • http://loaminoo.linkpc.net/2091094092095091/Vegan-Zombie-Apocalypse-by-Wol-vriey.pdf
    • http://loaminoo.linkpc.net/4090097090098094/Zombie-Apocalypse-Now-Part-1-by-Rachel-Tsoumbakos.pdf
    • http://loaminoo.linkpc.net/4093097094097094/Shamblers-The-Zombie-Apocalypse-by-Andrew-Cormier.pdf
    • http://loaminoo.linkpc.net/3095091098098099/Apocalypse-Z-Uncommon-Ground-Zombie-Novel-2-by-G-E-Swanson.pdf
    • http://loaminoo.linkpc.net/1091096097094099094/The-End-of-the-Beginning-Zombie-Apocalypse-by-Giovanni-L-Crimi.pdf

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