Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e0edc0c75b79648…

MALICIOUS

PDF

20.8 KB Created: 2019-05-05 16:07:10 +01:00 Authoring application: mPDF 5.7
MD5: 71a34542d3efd8a51624b3d6dfe74285 SHA-1: cd892faf88fc64c582c680cf895f422d4e5be36e SHA-256: 7e0edc0c75b7964872b6bc4c219ab418f8988216bdf31a45f49b52bca2a08156
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a machine learning classifier and contains a large number of external links, characteristic of a link farm. While the document body is heavily obfuscated, the presence of numerous URLs suggests an attempt to direct users to potentially malicious content or phishing sites. The ML classifier's high confidence score further supports the malicious nature of this file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9904

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/1098095095097099/Surviving-the-21st-Century-Humanity-s-Ten-Great-Challenges-and-How-We-Can-Overcome-Them-by-Julian-Cribb.pdf
    • http://loaminoo.linkpc.net/3096094091091093/The-Captive-Brides-Collection-9-Stories-of-Great-Challenges-Overcome-through-Great-Love-by-Susan-Page-Davis.pdf
    • http://loaminoo.linkpc.net/5098091096090094/eLexicography-in-the-21st-century-New-challenges-new-applications-by-Sylviane-Granger.pdf
    • http://loaminoo.linkpc.net/3094090098098099/Surviving-the-Century-Facing-Climate-Chaos-amp-Other-Global-Challenges-by-Herbert-Girardet.pdf
    • http://loaminoo.linkpc.net/9097095099098096/Real-Memories-Audiovisual-Challenges-of-an-Archiving-Musicologist-in-the-21st-Century-by-Gisa-J-hnichen.pdf
    • http://loaminoo.linkpc.net/3094092090099090/On-the-Brink-The-Great-Lakes-in-the-21st-Century-by-Dave-Dempsey.pdf
    • http://loaminoo.linkpc.net/1090091099092098091/The-Little-Friend-21-Great-Bloomsbury-Reads-For-The-21st-Century-by-Donna-Tartt.pdf
    • http://loaminoo.linkpc.net/5099097099096091/Bad-Choices-Make-Good-Stories---Going-to-New-York-How-The-Great-American-Opioid-Epidemic-of-The-21st-Century-Began-1-by-Oliver-Markus-Malloy.pdf
    • http://loaminoo.linkpc.net/2099096093090097/Opium-Fiend-A-21st-Century-Slave-to-a-19th-Century-Addiction-by-Steven-Martin.pdf
    • http://loaminoo.linkpc.net/9099096098092/Waging-Nonviolent-Struggle-20th-Century-Practice-and-21st-Century-Potential-by-Gene-Sharp.pdf
    • http://loaminoo.linkpc.net/1090097094092099091/Old-Assumptions-New-Realities-Ensuring-Economic-Security-for-Working-Families-in-the-21st-Century-Ensuring-Economic-Security-for-Working-Families-in-the-21st-Century-by-Robert-D-Plotnick.pdf
    • http://loaminoo.linkpc.net/4092092090099099/Humanity-A-Moral-History-of-the-Twentieth-Century-by-Jonathan-Glover.pdf
    • http://loaminoo.linkpc.net/1090090093099095094/Introduction-to-Latin-America-Twenty-First-Century-Challenges-by-Peadar-Kirby.pdf
    • http://loaminoo.linkpc.net/6096090096091/21st-Century-American-by-Byron-Goines.pdf
    • http://loaminoo.linkpc.net/1090091099092097096/Business-for-the-21st-Century-by-Steven-J-Skinner.pdf
    • http://loaminoo.linkpc.net/3094090093098096/21st-Century-Goth-by-Mick-Mercer.pdf
    • http://loaminoo.linkpc.net/1091092090095097091/The-Tolstoys-in-the-21st-Century-by-Oleg-Tolstoy.pdf
    • http://loaminoo.linkpc.net/9097098093090/21st-Century-Dead-by-Christopher-Golden.pdf
    • http://loaminoo.linkpc.net/1099096096092095/China-in-the-21st-Century-by-Jeffrey-N-Wasserstrom.pdf
    • http://loaminoo.linkpc.net/8097097092/21-Lessons-for-the-21st-Century-by-Yuval-Noah-Harari.pdf