Malicious PDF — malware analysis report

Static analysis result for SHA-256 00d01bef15f89209…

MALICIOUS

PDF

25.2 KB Created: 2019-05-02 17:11:58 +01:00 Authoring application: mPDF 5.7
MD5: 048c17e7ee273927b07f451cfa5a3e71 SHA-1: 815cd05885cd825ce0a0b6dbf4ce8a3c9ce39ac6 SHA-256: 00d01bef15f89209eeb96e03735bcaa115dbfeaa6a04b2603a74cedd6ab87c8b
92 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a large number of embedded external links, suggesting a link farm or SEO manipulation tactic. While the ML classifier flagged it as malicious, the majority of the extracted URLs are marked as confirmed benign. No scripts were extracted, and the document body is heavily obfuscated, making it difficult to determine a specific malicious intent beyond link distribution. The attack pattern is inferred from the PDF_SEO_LINK_FARM heuristic.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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/9094097099097096/Medical-Terminology-Get-Connected-by-Suzanna-S-Frucht.pdf
    • http://loaminoo.linkpc.net/9094097096095091/Worksheets-for-Medical-Terminology-Get-Connected-Custom-Edition-for-Southeast-Community-College-Medical-Assisting-Program-by-Frucht.pdf
    • http://loaminoo.linkpc.net/9097096099096095/Medical-Terminology-For-Health-Professions-by-Ann-B-Ehrlich.pdf
    • http://loaminoo.linkpc.net/9094098090097093/Medical-Terminology-A-Living-Language-by-Bonnie-F-Fremgen.pdf
    • http://loaminoo.linkpc.net/2092096099092/Get-The-Best-Medical-Care-You-Can-Navigate-The-Medical-Maze-A-Patient-Guide-by-Donna-Maldonado-Schullo.pdf
    • http://loaminoo.linkpc.net/7098099090095090/Tested-An-MFM-Menage-Medical-Fetish-Story-Medical-Trial-Series-Book-2-by-Liv-Jonasson.pdf
    • http://loaminoo.linkpc.net/7098099090094091/Prepared-A-Humiliating-First-Time-Medical-Fetish-Story-Medical-Trial-Series-Book-1-by-Liv-Jonasson.pdf
    • http://loaminoo.linkpc.net/1091095093091095099/The-Funny-Side-of-Physic-Or-the-Mysteries-of-Medicine-Presenting-the-Humorous-and-Serious-Sides-of-Medical-Practice-An-Expose-of-Medical-Humbugs-Quacks-and-Charlatans-in-All-Ages-and-All-Countries-by-Addison-Darre-Crabtre.pdf
    • http://loaminoo.linkpc.net/1091095093090099092/The-Funny-Side-of-Physic-Or-the-Mysteries-of-Medicine-Presenting-the-Humorous-and-Serious-Sides-of-Medical-Practice-an-Expose-of-Medical-Humbugs-Quacks-and-Charlatans-in-All-Ages-and-All-Countries-by-Addison-Darre-Crabtre.pdf
    • http://loaminoo.linkpc.net/7098099090098093/Julie-s-Weekend-Adventure-A-Backdoor-Medical-Fetish-Erotic-Story-Doctor-s-Medical-Fetish-Book-1-by-Liv-Jonasson.pdf
    • http://loaminoo.linkpc.net/9094097099096098/The-Best-of-Jewish-Cooking-by-Phyllis-Frucht.pdf
    • http://loaminoo.linkpc.net/9094097098097091/Die-Nichte-verbotene-Frucht-by-Sarah-Winter.pdf
    • http://loaminoo.linkpc.net/9093094091094094/GSM-Networks-Protocols-Terminology-amp-Implementa--Tion-by-Gunnar-Heine.pdf
    • http://loaminoo.linkpc.net/9094091092096099/Encyclopedia-of-Food-Kitchen-and-Culinary-Terminology-by-John-Andrew-Schlederer.pdf
    • http://loaminoo.linkpc.net/9094098090098091/Der-Bergdoktor---Folge-1783-B-se-Frucht-der-Eifersucht-by-Andreas-Kufsteiner.pdf
    • http://loaminoo.linkpc.net/1091092093099092/Spurs-for-Suzanna-by-Betty-Cavanna.pdf
    • http://loaminoo.linkpc.net/9094098090098092/Frucht-Eis-mit-Alkohol-selbst-gemacht-Bochanans-kleine-K-chenhelfer-4-by-Peter-Bochanan.pdf
    • http://loaminoo.linkpc.net/1096097098090099/The-Bookwyrm-Series-Part-One-by-Suzanna-J-Linton.pdf
    • http://loaminoo.linkpc.net/6095094091095093/Complete-Multilingual-Dictionary-Of-Aviation-And-Aeronautical-Terminology-English-French-Spanish-by-Henri-Demaison.pdf
    • http://loaminoo.linkpc.net/2094093097091090/Capture-Me-Connected-2-by-E-M-Sky.pdf

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