Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b82183e78375441…

MALICIOUS

PDF

18.3 KB Created: 2019-05-02 10:30:49 +01:00 Authoring application: mPDF 5.7
MD5: 399e806761085136d3d8f5f74ff04b3b SHA-1: 766a6c6110cf3c0c16d4c26879b56b649544a92d SHA-256: 6b82183e783754412672849c5db111d8eb6d273811d0f6a22a94725cdf940e2f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to a domain with a numeric slug, identified as a link farm. While the URLs themselves are marked as benign, the sheer volume and suspicious domain suggest an attempt to manipulate search engine results or redirect users to potentially malicious content. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9912

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/9090091097094094/G-nsehaut---Um-Mitternacht-wenn-die-Vogelscheuche-erwacht-Die-G-nsehaut-Reihe-6-by-R-L-Stine.pdf
    • http://loaminoo.linkpc.net/9090092090099094/Wenn-Loa-erwacht-by-Mira-Roth.pdf
    • http://loaminoo.linkpc.net/9090091099092095/Wenn-Christus-in-Dir-erwacht-by-Richard-Adelbrand.pdf
    • http://loaminoo.linkpc.net/1091090097092098094/G-nsehaut---Willkommen-im-Haus-der-Toten-Die-G-nsehaut-Reihe-1-by-R-L-Stine.pdf
    • http://loaminoo.linkpc.net/9090091099093095/PHOENIX-Durch-dich-erwacht-PHOENIX---durch-dich-erwacht-1-by-Saraphina-J-C-Rose.pdf
    • http://loaminoo.linkpc.net/8097096098092093/Die-Magic-Academy-Reihe-Reihe-in-3-B-nden-by-Rachel-E-Carter.pdf
    • http://loaminoo.linkpc.net/1091090091090090091/Sicher-anlegen-Was-Sie-wissen-sollten-wenn-Sie-Geld-investieren-Was-tun-wenn-etwas-schief-l-uft-Ausgabe-sterreich-by-Angelika-Ahrens.pdf
    • http://loaminoo.linkpc.net/5094094091095098/Die-G-ttin-Reihe-Reihe-in-2-B-nden-by-Aprilynne-Pike.pdf
    • http://loaminoo.linkpc.net/9098094097091091/Die-D-monentochter-Reihe-Reihe-in-5-B-nden-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/9090091097094093/G-nsehaut---Es-w-chst-und-w-chst-und-w-chst-Die-G-nsehaut-Reihe-2-by-R-L-Stine.pdf
    • http://loaminoo.linkpc.net/1090094092093090097/13-Tage-Mitternacht-by-Leo-Hunt.pdf
    • http://loaminoo.linkpc.net/9090092090098094/Troubletwisters---Das-B-se-erwacht-Band-2---by-Garth-Nix.pdf
    • http://loaminoo.linkpc.net/1090094092094090099/Dunkle-M-chte-um-Mitternacht-by-Alfred-Bekker.pdf
    • http://loaminoo.linkpc.net/1091091091097091098/Sternenaufgang-Vampirroman-Blut-um-Mitternacht-3-by-Petra-Teske.pdf
    • http://loaminoo.linkpc.net/1091091091096091097/Sternenuntergang-Vampirroman-Blut-um-Mitternacht-2-by-Petra-Teske.pdf
    • http://loaminoo.linkpc.net/1091091091097092094/Gut-gegen-B-se-Vampirroman-Mitternacht-Vampire-10-by-Petra-Teske.pdf
    • http://loaminoo.linkpc.net/1090091092091097094/Unsterbliches-Blut-Vampirroman-Mitternacht-Vampire-2-by-Petra-Teske.pdf
    • http://loaminoo.linkpc.net/1091097093092099091/Die-Savanne-erwacht---Die-gewaltige-Flora-und-Fauna-Afrikas-Bewegungen-der-W-ste-festgehalten-ein-Faszinierender-Bildband-by-Lorenz-Andreas-Fischer.pdf
    • http://loaminoo.linkpc.net/4091096093094094/The-World-of-Richard-Stine-by-Richard-Stine.pdf
    • http://loaminoo.linkpc.net/8097091093096097/Wenn-der-Uhu-ruft-by-Roswitha-Leferink.pdf

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