Malicious PDF — malware analysis report

Static analysis result for SHA-256 d78be0afc4bcbae1…

MALICIOUS

PDF

18.5 KB Created: 2019-05-07 03:33:04 +01:00 Authoring application: mPDF 5.7
MD5: 9ca449a9627ccf2d9eb984a241b90b63 SHA-1: 8822a755e263113df0b6bbf0a1cee9692463b6f7 SHA-256: d78be0afc4bcbae14e3073a9824cfc0aa46f7838f2b8dd0745febde9c64e1aae
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the PDF structure and the sheer volume of links suggest a malicious intent to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9912

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/5099091092099099/Kigali-Rwanda-by-Bruce-E-Fleming.pdf
    • http://loaminoo.linkpc.net/5099091093094091/Sanitation-and-Hygiene-in-Africa-Where-Do-We-Stand-Analysis-from-the-Africasan-Conference-Kigali-Rwanda-by-Piers-Cross.pdf
    • http://loaminoo.linkpc.net/5099091093091092/Articles-on-Rwandan-Genocide-Media-Including-We-Wish-to-Inform-You-That-Tomorrow-We-Will-Be-Killed-with-Our-Families-Shake-Hands-with-the-Devil-Book-Hotel-Rwanda-a-Sunday-at-the-Pool-in-Kigali-Sometimes-in-April-by-Hephaestus-Books.pdf
    • http://loaminoo.linkpc.net/5098095097099098/Cme-Fleming-S-Art-And-Ideas-10e-by-William-Fleming.pdf
    • http://loaminoo.linkpc.net/5099091092099097/Miracle-in-Kigali-by-Illuminee-Nganemariya.pdf
    • http://loaminoo.linkpc.net/1092092092096094/Een-zondag-aan-het-zwembad-in-Kigali-by-Gil-Courtemanche.pdf
    • http://loaminoo.linkpc.net/2092097094094093/Baking-Cakes-in-Kigali-by-Gaile-Parkin.pdf
    • http://loaminoo.linkpc.net/5093090093092098/Bruce-s-History-Lessons-The-First-Five-Years-2001---2006-by-Bruce-Kauffmann.pdf
    • http://loaminoo.linkpc.net/7092099090090092/Rwanda-by-David-C-King.pdf
    • http://loaminoo.linkpc.net/1090092094098097093/Il-genocidio-del-Rwanda-9-by-Vania-Lucia-Gaito.pdf
    • http://loaminoo.linkpc.net/7092099090091093/Escape-from-Rwanda-by-John-Yves-Bizimana.pdf
    • http://loaminoo.linkpc.net/5098099097090094/The-Media-and-the-Rwanda-Genocide-by-Allan-Thompson.pdf
    • http://loaminoo.linkpc.net/7092099090090093/In-My-Home-There-Is-No-More-Sorrow-Ten-Days-in-Rwanda-by-Rick-Bass.pdf
    • http://loaminoo.linkpc.net/7092099090091090/Rwanda-and-Genocide-in-the-Twentieth-Century-by-Alain-Destexhe.pdf
    • http://loaminoo.linkpc.net/7092099090090099/Genocide-in-Rwanda-Complicity-of-the-Churches-by-Carol-Rittner.pdf
    • http://loaminoo.linkpc.net/7092098099093099/God-Sleeps-in-Rwanda-A-Journey-of-Transformation-by-Joseph-Sebarenzi.pdf
    • http://loaminoo.linkpc.net/5098099096097090/The-Rwanda-Crisis-History-of-a-Genocide-by-G-rard-Prunier.pdf
    • http://loaminoo.linkpc.net/4090097098090098/Me-Against-My-Brother-At-War-in-Somalia-Sudan-and-Rwanda-by-Scott-Peterson.pdf
    • http://loaminoo.linkpc.net/7092099090090096/Genocide-in-Rwanda-A-Collective-Memory-by-John-A-Berry.pdf
    • http://loaminoo.linkpc.net/1091092091095099/Bruce-Coville-s-Book-of-Nightmares-II-More-Tales-to-Make-You-Scream-by-Bruce-Coville.pdf
    • http://loaminoo.linkpc.net/2092097094094093/Baking-Cakes-in-Kigal

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