Malicious PDF — malware analysis report

Static analysis result for SHA-256 60819f5a0716523d…

MALICIOUS

PDF

17.7 KB Created: 2019-04-30 04:13:44 +01:00 Authoring application: mPDF 5.7
MD5: 2827eec900fabc0e7a9fb01440bd758c SHA-1: 5ea9346c8db8f5161467002297323d1cef0b14f7 SHA-256: 60819f5a0716523debaa5fe5eef592a54430bf713081fee4525fe4ca15bfe2ae
92 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links pointing to external PDF files, a technique often used for SEO poisoning or to distribute further malicious content. The ML classifier also flagged this document as malicious. While the specific intent beyond linking is unclear due to the lack of executable scripts, the pattern suggests an attempt to redirect users to potentially harmful resources.

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/1090092093094096093/Die-Welt-von-Gestern-Erinnerungen-eines-Europ-ers-Stefan-Zweig-Gesammelte-Werke-in-Einzelb-nden-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/9099096090096099/Phantastische-Nacht-Erz-hlung-Stefan-Zweig-publizierte-diese-quot-seelische-Selbstenth-llung-quot-unbearbeitet-der-Baron-von-R-aus-Wien-also-der-Ich-Erz-hler-seiner-Erweckung-auf-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/5097090099093091/The-Collected-Novellas-of-Stefan-Zweig-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/2099097098090090/Buchmendel-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/6090092091096099/J-r-mie-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/5090091092093098/Chess-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/9095094099090094/Geschichte-in-Der-Dammerung-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/6095093094096/Journey-into-the-Past-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/1093096097094090/Amok-and-Other-Stories-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/7092099092099095/Lettre-d-une-inconnue-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/4098093099093/Burning-Secret-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/4090097093094091/Letter-from-an-Unknown-Woman-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/5097090099098092/Casanova-A-Study-in-Self-Portraiture-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/1090090096094093097/Phantastische-Nacht-Erz-hlung-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/6090093092095095/Erinnerungen-an-Emile-Verhaeren-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/2096093099099093/The-Burning-Secret-and-other-stories-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/5097090099096092/Three-Lives-A-Biography-of-Stefan-Zweig-by-Oliver-Matuschek.pdf
    • http://loaminoo.linkpc.net/4091097092097095/Amerigo-A-Comedy-of-Errors-in-History-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/5094094094092099/24h-de-la-vie-d-une-femme-suivi-de-Le-Voyage-dans-le-pass-by-Stefan-Zweig.pdf
    • http://loaminoo.linkpc.net/9091091091095093/Verwirrung-der-Gef-hle-und-sieben-andere-Erz-hlungen-Der-Stern-ber-dem-Walde-Die-Liebe-der-Erika-Ewald-Vergessene-Tr-ume-Geschichte-in-der-D-mmerung-der-Gef-hle-Angst-by-Stefan-Zweig.pdf

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