Malicious PDF — malware analysis report

Static analysis result for SHA-256 adf6e121cc8f80ab…

MALICIOUS

PDF

12.9 KB Created: 2019-05-02 01:12:00 +01:00 Authoring application: mPDF 5.7
MD5: 88adfb8baeccd201889d17bb4d3f1399 SHA-1: 6a9041cc72f6fb3e31694de12be4f5cddd45495a SHA-256: adf6e121cc8f80abb59a80a34559473a352aa97d1ebf5de78b045c0c6a70709f
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a link farm, with numerous embedded URLs pointing to external PDF documents. While the extracted URLs themselves are currently marked as benign, the sheer volume and the nature of the PDF structure suggest a malicious intent to lure users to potentially harmful content. No scripts were extracted, and the document body was unreadable, limiting further analysis.

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/4093090092093096/The-Science-of-Discworld-IV-Judgement-Day-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/3094097094096099/The-Last-Hero-A-Discworld-Fable-Discworld-27-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/1098096091096094/The-Art-of-Discworld-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/3090092098099090/The-Last-Continent-Discworld-22-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/8096094098094/Pyramids-Discworld-7-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/3090093096097090/Eric-Discworld-9-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/1098091090092099/The-Fifth-Elephant-Discworld-24-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/5095097095097/Discworld-Companion-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/3090091092099098/The-Wee-Free-Men-Discworld-30-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/2091097099092094/Going-Postal-Discworld-33-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/4095091099097092/The-Wee-Free-Men-Discworld-30-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/4093090094099094/Mort-Discworld-4-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/8094098093092/The-Truth-Discworld-25-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/6099098090095/Mort-Discworld-4-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/6098090096093/The-Wee-Free-Men-Discworld-30-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/8098093090091/Interesting-Times-Discworld-Novel-17-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/3092096099096/Small-Gods-Discworld-13-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/3090098094092090/Night-Watch-Discworld-29-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/6093095096094/Small-Gods-Discworld-13-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/6094098098094094/Thief-of-Time-Discworld-26-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/8094098093092/Th

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