Malicious PDF — malware analysis report

Static analysis result for SHA-256 675027eefffa7af2…

MALICIOUS

PDF

16.0 KB Created: 2019-05-01 18:30:53 +01:00 Authoring application: mPDF 5.7
MD5: 3a30be544bd913701489c61ce1d20f68 SHA-1: 84d4b47b5a41c5cbc02f09af4a641dd3fcc61d17 SHA-256: 675027eefffa7af2ad38a7e2c1c7c459c66d27e486d7b69736466a77e1e4fbd7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm. While no scripts were directly extracted, the PDF structure and the presence of embedded URLs suggest an attempt to redirect the user to malicious content. The ML classifier also flagged this PDF as malicious, supporting the assessment of a phishing or malicious redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/7099098092091097/Larmes-am-res-dition-Canada-Monsters-in-the-Dark-T1-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/3093093094/Je-Suis-Toi-Monsters-in-the-Dark-3-5-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/3097095099090/Tears-of-Tess-Monsters-in-the-Dark-1-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/8093093099095/Monsters-in-the-Dark-Monsters-in-the-Dark-1-3-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/2097092099092096/Destroyed-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/5090093090096091/Dollars-Dollar-2-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/8099090093099/Second-Debt-Indebted-3-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/1099090091096091/Hundreds-Dollar-3-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/4096093090090096/Hundreds-Dollar-3-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/2099097093098099/Pennies-Dollar-1-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/2096097093099098/The-Body-Painter-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/6093091098/Thousands-Dollar-4-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/8098095095090/Third-Debt-Indebted-4-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/3099095093099096/Debt-Inheritance-Indebted-1-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/2094099095/Sin-amp-Suffer-Pure-Corruption-MC-2-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/4091097092090/Debt-Inheritance-Indebted-1-by-Pepper-Winters.pdf
    • http://loaminoo.linkpc.net/5095091090093093/Larmes-Tome-1-Larmes-by-Lauren-Kate.pdf
    • http://loaminoo.linkpc.net/1090096099096091/Sense-and-Sensibility-and-Sea-Monsters-by-Ben-H-Winters.pdf
    • http://loaminoo.linkpc.net/6093099099092091/Canada-and-Aboriginal-Canada-Today---Le-Canada-Et-Le-Canada-Autochtone-Aujourdahui-Changing-the-Course-of-History---Changer-Le-Cours-de-Lahistoire-by-Paul-Martin.pdf
    • http://loaminoo.linkpc.net/7099098093093097/People-are-Seeing-Something-a-Survey-of-Lake-Monsters-in-the-United-States-and-Canada-by-Denver-Michaels.pdf

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