Malicious PDF — malware analysis report

Static analysis result for SHA-256 794b7233a24e4528…

MALICIOUS

PDF

22.5 KB Created: 2019-05-02 01:00:41 +01:00 Authoring application: mPDF 5.7
MD5: 5312ddb70cbaa6458c491cb9c137edcc SHA-1: 9a6c6cb359dc7a6ebe27416fb106f6dd50c91e9c SHA-256: 794b7233a24e452839c0ef33147075d919b3e3fea8e6559979cd994429f6a518
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous links to external PDFs suggests an attempt to direct users to potentially malicious content or to manipulate search engine results. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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/1091093091090095093/Wie-Frauen-ticken-ber-100-Fakten-die-aus-jedem-Mann-einen-Frauen-Versteher-machen-by-Hauke-Brost.pdf
    • http://loaminoo.linkpc.net/1091094095097091098/Frauen-ansprechen-Frauen-kennenlernen-Ansprechangst-berwinden-und-Gespr-chstehmen-finden-So-gehst-du-mit-Ihrer-Telefonnummer-nach-Hause-by-Michael-Lamdert.pdf
    • http://loaminoo.linkpc.net/1090095091090096095/Frauen-Und-Literatur-in-Den-Niederlanden-Feminismus-Literaturbetrieb-Literaturwissenschaft-Und-Literarische-Produktion-Von-Frauen-Vom-Ende-Der-Sechziger-Bis-Zur-Mitte-Der-Achtziger-Jahre-by-Gesine-Gossner.pdf
    • http://loaminoo.linkpc.net/9095097091099093/Giuseppe-Tomasi-Di-Lampedusa-Il-Gattopardo---Die-Frauen-in-il-Gattopardo-Die-Frauen-in-il-Gattopardo-by-Susann-Karst-Dt.pdf
    • http://loaminoo.linkpc.net/9091095093097094/Best-of-live-by-Wladimir-Kaminer.pdf
    • http://loaminoo.linkpc.net/9095098096096091/Russische-zon-over-Poesjkin-by-Hans-Boland.pdf
    • http://loaminoo.linkpc.net/9091095094094096/Search-and-Discovery-by-Benjamin-Kaminer.pdf
    • http://loaminoo.linkpc.net/1090094099091093099/Russische-Autoren-in-Einzelportr-ts-by-Wolfgang-Kasack.pdf
    • http://loaminoo.linkpc.net/9091095092094094/It-s-All-The-Rage-Crime-And-Culture-by-Wendy-Kaminer.pdf
    • http://loaminoo.linkpc.net/9095098095099090/Russische-meesterwerken-in-kort-bestek-by-Maarten-Tengbergen.pdf
    • http://loaminoo.linkpc.net/9091095092099097/Wladimir-Kaminer---Ausl-nder-in-Der-Wendeliteratur-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/9091095093096094/Traumatic-Stress-in-South-Africa-by-Debra-Kaminer.pdf
    • http://loaminoo.linkpc.net/1091097090096092096/Sowjetische-Russische-Atom-U-Boote-Gefahr-Aus-Der-Tiefe-by-A-M-Antonov.pdf
    • http://loaminoo.linkpc.net/1091093093090098097/Deutschland-Und-Die-Russische-Revolution-1917-1924-by-Gerd-Koenen.pdf
    • http://loaminoo.linkpc.net/9091095092098092/True-Love-Waits-Essays-And-Criticism-by-Wendy-Kaminer.pdf
    • http://loaminoo.linkpc.net/1091094096095094096/Russische-Avantgarde-1907-1922-Orbis-Pictus-62-by-Dagmar-Hnikova.pdf
    • http://loaminoo.linkpc.net/9091095094093098/Time-Critical-Cooperative-Control-of-Autonomous-Air-Vehicles-by-Isaac-Kaminer.pdf
    • http://loaminoo.linkpc.net/9091095092094092/Meine-Mutter-ihre-Katze-und-der-Staubsauger-Ein-Unruhestand-in-33-Geschichten-by-Wladimir-Kaminer.pdf
    • http://loaminoo.linkpc.net/9091095094095095/Adolescent-Substance-Abuse-A-Comprehensive-Guide-to-Theory-and-Practice-by-Yifrah-Kaminer.pdf
    • http://loaminoo.linkpc.net/1090095090097090094/Die-Stimme-Erheben-Die-Russische-Literatur-in-Den-Sechziger-Jahren-Unseres-Jahrhunderts-by-Roland-Opitz.pdf