Malicious PDF — malware analysis report

Static analysis result for SHA-256 24608d9c97edbb0d…

MALICIOUS

PDF

17.6 KB Created: 2019-05-01 19:10:10 +01:00 Authoring application: mPDF 5.7 First seen: 2021-10-11
MD5: 43f1ea8f9ea71fb655cff216e816565d SHA-1: a83bb07ed018e1b03d6b2c0501b40a8ec5034e13 SHA-256: 24608d9c97edbb0d62d1cbc238af23444fb4faa15ebed7bdc998edbd04497721
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, many of which use numeric slugs in their URLs. This pattern is indicative of a link farm or SEO manipulation tactic, often used to obscure malicious intent or drive traffic. The ML classifier also flagged this PDF as malicious, supporting the suspicious nature of the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/4095093090098096/Saints-Alive-New-Stories-of-Old-Saints-Volume-II-Celtic-Paths-by-Andrew-M-Seddon.pdf In PDF document text
    • http://loaminoo.linkpc.net/3096097095094097/Saints-Alive-New-Stories-of-Old-Saints-Saints-of-Empire-by-Andrew-M-Seddon.pdfIn PDF document text
    • http://loaminoo.linkpc.net/3096096095094096/All-Saints-Daily-Reflections-on-Saints-Prophets-amp-Witnesses-for-Our-Time-by-Robert-Ellsberg.pdfIn PDF document text
    • http://loaminoo.linkpc.net/5091091097095099/City-of-Saints-Art-Oveson-1-by-Andrew-Hunt.pdfIn PDF document text
    • http://loaminoo.linkpc.net/8094099097094099/One-Hundred-Saints-Their-Lives-and-Likenesses-Drawn-from-Butler-s-Lives-of-the-Saints-and-Great-Works-of-Western-Art-by-Alban-Butler.pdfIn PDF document text
    • http://loaminoo.linkpc.net/7093091094090/Boondock-Saints-Volume-1-In-Nomine-Patris-by-Chris-Brunner.pdfIn PDF document text
    • http://loaminoo.linkpc.net/1091093091097090096/Supersonic-Saints-Thrilling-Stories-from-LDS-Pilots-by-John-Bytheway.pdfIn PDF document text
    • http://loaminoo.linkpc.net/4092099096098093/Mystics-Masters-Saints-and-Sages-Stories-of-Enlightenment-by-Robert-Ullman.pdfIn PDF document text
    • http://loaminoo.linkpc.net/8091098092099095/Mariages-de-La-Paroisse-Des-Saints-Martyrs-Canadiens-de-Maple-Grove-1955-1990-by-Paroisse-Des-Saints-Martyrs-Canadiens.pdfIn PDF document text
    • http://loaminoo.linkpc.net/3097093099095/Hymns-of-The-Church-of-Jesus-Christ-of-Latter-day-Saints-by-The-Church-of-Jesus-Christ-of-Latter-day-Saints.pdfIn PDF document text
    • http://loaminoo.linkpc.net/3093092094096/And-All-The-Saints-by-Michael-Walsh.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2091099092092099/No-Saints-in-Kansas-by-Amy-Brashear.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2094099091095098/Saints-Preserve-Us-by-L-K-Ellwood.pdfIn PDF document text
    • http://loaminoo.linkpc.net/1091095091098090/The-Saints-Quarantine-2-by-Lex-Thomas.pdfIn PDF document text
    • http://loaminoo.linkpc.net/8097098097090/The-Ice-Saints-by-Frank-Tuohy.pdfIn PDF document text
    • http://loaminoo.linkpc.net/3096099099095098/When-The-Saints-by-Sarah-Mian.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2094090091093098/The-War-of-the-Saints-by-Jorge-Amado.pdfIn PDF document text
    • http://loaminoo.linkpc.net/5090090093095/Carnival-of-Saints-by-George-Herman.pdfIn PDF document text
    • http://loaminoo.linkpc.net/4095090098096095/The-Feast-of-All-Saints-by-Anne-Rice.pdfIn PDF document text
    • http://loaminoo.linkpc.net/3092095099/Charged-Saints-of-Denver-2-by-Jay-Crownover.pdfIn PDF document text