Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2e62d43abb6e06d…

MALICIOUS

PDF

15.7 KB Created: 2019-05-02 17:16:00 +01:00 Authoring application: mPDF 5.7
MD5: aedfccffc0a4e41b3b59cc3edf2dfdd0 SHA-1: b22bbe87312e2906f9d193e0dadbc044297baac0 SHA-256: c2e62d43abb6e06db26f9a889a170be1163c58769129e228b8d12cfc1612600f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded URLs pointing to external websites, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. The embedded URLs are likely used for SEO spam or to direct users to phishing pages. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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/5096094099095093/Help-Me-Seduced-by-Danger-1-by-Clara-Bayard.pdf
    • http://loaminoo.linkpc.net/7090093099091098/Lost-Weekend-Rocked-3-5-by-Clara-Bayard.pdf
    • http://loaminoo.linkpc.net/7090094090091093/Rocked-in-Paradise-Rocked-9-5-by-Clara-Bayard.pdf
    • http://loaminoo.linkpc.net/7090094090090098/Rocked-in-Pieces-Rocked-10-by-Clara-Bayard.pdf
    • http://loaminoo.linkpc.net/4091092093099095/Rocked-Dex-and-Becca-Rocked-4-6-by-Clara-Bayard.pdf
    • http://loaminoo.linkpc.net/2097090096099097/Rocked-to-the-Core-Rocked-3-by-Clara-Bayard.pdf
    • http://loaminoo.linkpc.net/7090093099091097/Rocked-All-Night-Rocked-8-by-Clara-Bayard.pdf
    • http://loaminoo.linkpc.net/2097090092099099/Rocked-Rocked-1-by-Clara-Bayard.pdf
    • http://loaminoo.linkpc.net/7093094093093098/Twists-and-Curves-Infinite-Curves-1-by-Georgia-Stockholm.pdf
    • http://loaminoo.linkpc.net/7090093099091095/I-Must-Resist-Bayard-Rustin-s-Life-in-Letters-by-Bayard-Rustin.pdf
    • http://loaminoo.linkpc.net/5096094098097092/Clara-in-the-Middle-Clara-Andrews-8-by-Lacey-London.pdf
    • http://loaminoo.linkpc.net/1097090097093097/Flight-of-Fancy-A-Clara-Fitzgerald-Mystery-The-Clara-Fitzgerald-Mysteries-Book-2-by-Evelyn-James.pdf
    • http://loaminoo.linkpc.net/4093095091099092/Memories-of-the-Dead-A-Clara-Fitzgerald-Mystery-The-Clara-Fitzgerald-Mysteries-Book-1-by-Evelyn-James.pdf
    • http://loaminoo.linkpc.net/7092092099093094/Letters-Of-Clara-Schumann-And-Johannes-Brahms-1853-1896-by-Clara-Schumann.pdf
    • http://loaminoo.linkpc.net/7093094093099092/Lush-Curves-Lush-Curves-1-by-Delilah-Fawkes.pdf
    • http://loaminoo.linkpc.net/2090091092093094/Dangerous-Curves-Dangerous-Curves-1-by-Marysol-James.pdf
    • http://loaminoo.linkpc.net/4092092097092093/Dangerous-Curves-Dangerous-Curves-1-by-Marysol-James.pdf
    • http://loaminoo.linkpc.net/2097093092097090/Clara-s-War-by-Clara-Kramer.pdf
    • http://loaminoo.linkpc.net/3093093098094098/Curves-of-the-French-Riviera-Curves-of-the-French-Riviera-1-by-Krista-Lakes.pdf
    • http://loaminoo.linkpc.net/7096090090092093/Trouble-Rob-amp-Sabrina-s-Story-Trouble-1-3-by-Emme-Rollins.pdf
    • http://loaminoo.linkpc.net/1097090097093097/Flight-of-Fancy-A-Clara-Fitz

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