Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc60c0e6d07b9c07…

MALICIOUS

PDF

17.5 KB Created: 2019-05-01 17:14:32 +01:00 Authoring application: mPDF 5.7
MD5: c5e5df4ec8d3eca7e33a001436b74ef9 SHA-1: 616168e7dada3c093271350b91f09caf2dc31827 SHA-256: dc60c0e6d07b9c0771de48f1125c85f8ea3dafd61b83a0be9f4521b23a85f97f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm. The heuristic PDF_SEO_LINK_FARM indicates that these links are likely intended to direct users to external content, potentially malicious. The ML classifier also flagged the document as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/4097099091097097/Breaking-Free-The-Vampire-Diaries-Revelations-1-by-L-Maci.pdf
    • http://loaminoo.linkpc.net/9090093092097095/The-Vampire-Diaries---Stefan-s-Diaries---Rache-ist-nicht-The-Vampire-Diaries-3-by-L-J-Smith.pdf
    • http://loaminoo.linkpc.net/3094095091092096/Breaking-Free-Breaking-Free-1-by-Cara-Dee.pdf
    • http://loaminoo.linkpc.net/3098096093095/The-Craving-The-Vampire-Diaries-Stefan-s-Diaries-3-by-L-J-Smith.pdf
    • http://loaminoo.linkpc.net/3096095091090/Bloodlust-The-Vampire-Diaries-Stefan-s-Diaries-2-by-L-J-Smith.pdf
    • http://loaminoo.linkpc.net/4097092093097/The-Asylum-The-Vampire-Diaries-Stefan-s-Diaries-5-by-L-J-Smith.pdf
    • http://loaminoo.linkpc.net/8098095099094093/Revelations---The-Deeper-Secrets-of-Vampirism-by-The-Temple-of-the-Vampire.pdf
    • http://loaminoo.linkpc.net/8092097096092094/Breaking-the-Code-Westminster-Diaries-by-Gyles-Brandreth.pdf
    • http://loaminoo.linkpc.net/1090092092091098097/Miriam---Breaking-Free-by-Ken-Rander.pdf
    • http://loaminoo.linkpc.net/3090098094091091/Breaking-Free-Guarded-2-by-Cat-Grant.pdf
    • http://loaminoo.linkpc.net/9095096090090093/Low-Carb-So-Simple---Easy-Everyday-Recipes-with-5-Ingredients-or-Less-Gluten-Free-Sugar-Free-Grain-Free-Sweetener-Free-Wheat-Free-Grain-Free-by-Elviira-Krebber.pdf
    • http://loaminoo.linkpc.net/5098099091090/Breaking-Free-Heartland-3-by-Lauren-Brooke.pdf
    • http://loaminoo.linkpc.net/2095091096092098/Breaking-Free-Masters-of-the-Shadowlands-3-by-Cherise-Sinclair.pdf
    • http://loaminoo.linkpc.net/8095098093096/Breaking-Free-Masters-of-the-Shadowlands-3-by-Cherise-Sinclair.pdf
    • http://loaminoo.linkpc.net/3091098096096097/Breaking-Free-The-Broken-Hearts-Club-3-by-Michele-Barlow.pdf
    • http://loaminoo.linkpc.net/1091092093097092096/The-Pressure-s-Off-Breaking-Free-from-Rules-and-Performance-by-Larry-Crabb.pdf
    • http://loaminoo.linkpc.net/3096092098098099/Breaking-Free-Discover-the-Victory-of-Total-Surrender-by-Beth-Moore.pdf
    • http://loaminoo.linkpc.net/2097091098097094/Enemies-of-the-Heart-Breaking-Free-from-the-Four-Emotions-That-Control-You-by-Andy-Stanley.pdf
    • http://loaminoo.linkpc.net/2096099095090093/Crazy-Is-My-Superpower-How-I-Triumphed-by-Breaking-Bones-Breaking-Hearts-and-Breaking-the-Rules-by-A-J-Mendez-Brooks.pdf
    • http://loaminoo.linkpc.net/4099094093096099/Women-Afraid-to-Eat-Breaking-Free-in-Todays-Weight-Obsessed-World-by-Frances-M-Berg.pdf
    • http://loaminoo.linkpc.net/9095096090090093/Low-Carb-So-Simple---Easy-Everyday-Recipes-with-5-Ingredients-or-Less-Gluten-Free-Sugar-Free-Grain-Free-Sweetener-Free-Wheat-Free-Gr

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