Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2c40e409f8210fc…

MALICIOUS

PDF

26.8 KB Created: 2019-04-30 05:21:14 +01:00 Authoring application: mPDF 5.7
MD5: 1d135a8ff091567aea7e37fd5388a668 SHA-1: 8ccf5ff14a157971f65c6fe272eff1c2a43eedae SHA-256: c2c40e409f8210fc266d65e759befea0eeaade8e9c1fc351d0c5497dcfe4cdbf
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of links to external PDFs, indicating a link farm strategy. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves directing users to a collection of potentially malicious or unwanted content hosted on a link farm. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9896

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/6090095095098093/Albania-s-Rights-and-Claims-to-Independance-and-Territorial-Integrity---Scholar-s-Choice-Edition-by-Christo-Anastas-1878--From-Old-Dako.pdf
    • http://loaminoo.linkpc.net/4092099090092098/Shadow-Man-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/1095091091096097/Death-by-Silver-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/1099092091095/Trouble-and-Her-Friends-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/1096091093092099/Dreaming-Metal-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/3093091094095098/Fairs-Point-Astreiant-4-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/6094096097094091/The-Garden-Star-Trek-Voyager-11-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/1098099097092/Death-by-Silver-Julian-Lynes-and-Ned-Mathey-1-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/5095090095094099/Your-Rights-The-Liberty-Guide-to-Human-Rights-by-Farhad-Khosrokhavar.pdf
    • http://loaminoo.linkpc.net/6091094096098095/The-Vindications-The-Rights-of-Men-and-the-Rights-of-Woman-2-in-1-by-Mary-Wollstonecraft.pdf
    • http://loaminoo.linkpc.net/9092096092098099/King-Abdallah-and-Palestine-A-Territorial-Ambition-by-Joseph-Nevo.pdf
    • http://loaminoo.linkpc.net/9092096092098095/King-Abdallah-And-Palestine-A-Territorial-Ambition-by-Joseph-Nevo.pdf
    • http://loaminoo.linkpc.net/7095098094094096/The-Zad-and-NoTAV-Territorial-Struggles-and-the-Making-of-a-New-Political-Intelligence-by-Mauvaise-Troupe-Collective.pdf
    • http://loaminoo.linkpc.net/5091090095090095/Chasing-the-Santa-Fe-Ring-Power-and-Privilege-in-Territorial-New-Mexico-by-David-L-Caffey.pdf
    • http://loaminoo.linkpc.net/5094093091096095/A-Thematic-Guide-To-Documents-On-The-Human-Rights-Of-Women-Global-And-Regional-Standards-Adopted-By-Intergovernmental-Organizations-International-Non-Governmental-Wallenberg-Institute-Human-Rights-Guides-by-Gudmundur-Alfredsson.pdf
    • http://loaminoo.linkpc.net/1091094098099098091/All-Human-Rights-for-All-Vienna-Manual-on-Human-Rights-by-Manfred-Nowak.pdf
    • http://loaminoo.linkpc.net/7090098092096099/Articles-on-Women-s-Rights-in-the-Middle-East-Including-Hoda-Shaarawi-Masha-il-Bint-Fahd-Al-Saud-Mona-Eltahawy-Nawal-El-Saadawi-Atefah-Sahaaleh-Women-s-Political-Rights-in-Bahrain-Feminism-and-Nationalism-in-the-Third-World-by-Hephaestus-Books.pdf
    • http://loaminoo.linkpc.net/4092091091094093/Melissa-Explains-It-All-Tales-from-My-Abnormally-Normal-Life-by-Melissa-Joan-Hart.pdf
    • http://loaminoo.linkpc.net/1091098099099090098/Flappers-and-Philosophers-1920-by-Francis-Scott-Fitzgerald-Francis-Scott-Key-Fitzgerald-September-24-1896---December-21-1940-Known-Professionally-as-F-Scott-Fitzgerald-Was-an-American-Novelist-and-Short-Story-Writer-Whose-Works-Illustrate-by-F-Scott-Fitzgerald.pdf
    • http://loaminoo.linkpc.net/1090094094098093097/The-Melissa-Rauch-Handbook---Everything-You-Need-To-Know-About-Melissa-Rauch-by-Caleb-Kirk.pdf
    • http://loaminoo.linkpc.net/6091094096098095/The-Vindications-The-Rights-of-Men-and-the-Rights-of

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