Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ea68fb7c5628fa7…

MALICIOUS

PDF

16.6 KB Created: 2019-05-05 16:42:11 +01:00 Authoring application: mPDF 5.7
MD5: cd41f7f2e235db1c07b268a2423f7e75 SHA-1: b164d3e7c938b34464a31dfe056e186e33cccfe3 SHA-256: 7ea68fb7c5628fa7e8ccba2b25531f68e2d1d3cad1886b4b6a9797c8fb49993f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of SEO-optimized links, a technique often used to distribute malicious content or lure users to phishing sites. The ML classifier strongly flagged this PDF as malicious. While the specific URLs are currently marked as benign, the overall structure and heuristic firings indicate a malicious intent to redirect users through a link farm.

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/3097094099091099/Sabrina-the-Teenage-Witch-Sabrina-the-Teenage-Witch-1-by-David-Cody-Weiss.pdf
    • http://loaminoo.linkpc.net/4098090095094091/Age-of-Aquariums-Sabrina-the-Teenage-Witch-20-by-Bobbi-J-G-Weiss.pdf
    • http://loaminoo.linkpc.net/3097099090094093/Sabrina-Goes-To-Rome-Sabrina-the-Teenage-Witch-53-by-Mel-Odom.pdf
    • http://loaminoo.linkpc.net/3098094098096091/Ben-There-Done-That-Sabrina-The-Teenage-Witch-6-by-Joseph-Locke.pdf
    • http://loaminoo.linkpc.net/3098095093093098/Now-You-See-Her-Now-You-Don-t-Sabrina-The-Teenage-Witch-16-by-Diana-G-Gallagher.pdf
    • http://loaminoo.linkpc.net/7096090090092094/Witchopoly-Sabrina-the-Teenage-Witch-22-by-John-Vornholt.pdf
    • http://loaminoo.linkpc.net/1090097090097095097/Millennium-Madness-Sabrina-the-Teenage-Witch-29-by-Nancy-Holder.pdf
    • http://loaminoo.linkpc.net/4094090094099098/A-Dog-s-Life-Sabrina-the-Teenage-Witch-9-by-Cathy-East-Dubowski.pdf
    • http://loaminoo.linkpc.net/4099098097099095/Eight-Spells-a-Week-Sabrina-the-Teenage-Witch-17-by-Nell-Scovell.pdf
    • http://loaminoo.linkpc.net/5094098096096099/It-s-a-Miserable-Life-Sabrina-the-Teenage-Witch-34-by-Cathy-East-Dubowski.pdf
    • http://loaminoo.linkpc.net/2097099094090092/You-All-Grow-Up-and-Leave-Me-A-Memoir-of-Teenage-Obsession-by-Piper-Weiss.pdf
    • http://loaminoo.linkpc.net/4091097095097095/Water-Witch-Blood-Witch-Bone-Witch-Witches-of-Etlantium-1-3-by-Thea-Atkinson.pdf
    • http://loaminoo.linkpc.net/3093097093093097/Teenage-Mutant-Ninja-Turtles-Volume-1-by-Peter-David.pdf
    • http://loaminoo.linkpc.net/1091090090099099093/Witch-Children-From-Salem-Witch-Hunts-to-Modern-Courtrooms-by-Hans-Sebald.pdf
    • http://loaminoo.linkpc.net/4097096095098097/Return-Of-The-Witch-Detective-Marcella-Witch-s-series-9-by-Dana-E-Donovan.pdf
    • http://loaminoo.linkpc.net/1091099094099099/The-Briley-Witch-Chronicles-Books-1-and-2-The-Spirit-of-a-Witch-Storm-Grey-by-Sarah-Jane-Avory.pdf
    • http://loaminoo.linkpc.net/3097096098095098/Witch-Is-When-The-Hammer-Fell-A-Witch-P-I-Mystery-8-by-Adele-Abbott.pdf
    • http://loaminoo.linkpc.net/1096099092095095/Sex-and-the-Psychic-Witch-Triplet-Witch-Trilogy-1-by-Annette-Blair.pdf
    • http://loaminoo.linkpc.net/3097096098096091/Witch-is-When-The-Penny-Dropped-A-Witch-P-I-Mystery-6-by-Adele-Abbott.pdf
    • http://loaminoo.linkpc.net/3097096098096092/Witch-is-When-The-Bubble-Burst-A-Witch-P-I-Mystery-5-by-Adele-Abbott.pdf
    • http://loaminoo.linkpc.net/2097099094090092/You-All-Grow-Up