Malicious PDF — malware analysis report

Static analysis result for SHA-256 57e54c0a45b5def2…

MALICIOUS

PDF

17.6 KB Created: 2019-05-05 15:57:35 +01:00 Authoring application: mPDF 5.7
MD5: e9425b12529f4c79cc4495e6d2b669f5 SHA-1: 78fb58361f8e18697aa842b0b61fd1d5bb5a778f SHA-256: 57e54c0a45b5def21530430eaca566ba1daa28577aa076d053177a8a5211cedf
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document contains a large number of embedded URLs pointing to external PDF files, characteristic of a link farm. The ML classifier also flagged this document as malicious. While the URLs themselves are marked as benign, the sheer volume and the heuristic firing indicate a malicious intent to direct users to potentially harmful content. No scripts were extracted from this sample.

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/9094096093094093/The-Great-God-Pan-and-The-Hill-of-Dreams-by-Arthur-Machen.pdf
    • http://loaminoo.linkpc.net/2098098094091094/The-Terror-and-Other-Stories-by-Arthur-Machen.pdf
    • http://loaminoo.linkpc.net/6098093090097090/The-Shining-Pyramid-by-Arthur-Machen.pdf
    • http://loaminoo.linkpc.net/2092099098092099/The-White-People-and-Other-Weird-Stories-by-Arthur-Machen.pdf
    • http://loaminoo.linkpc.net/1090094096091091095/The-Great-Adventures-of-Sherlock-Holmes-by-Arthur-Conan-Doyle.pdf
    • http://loaminoo.linkpc.net/5094093097096/The-Great-Chain-of-Being-A-Study-of-the-History-of-an-Idea-by-Arthur-O-Lovejoy.pdf
    • http://loaminoo.linkpc.net/1091095097096097099/Lachen-machen-by-Arntraud-Kieke.pdf
    • http://loaminoo.linkpc.net/1090090097092097097/Den-Affen-machen-by-Hanco-Naninck.pdf
    • http://loaminoo.linkpc.net/3091091097091090/Arthur-s-Valentine-Arthur-Adventure-Series-by-Marc-Brown.pdf
    • http://loaminoo.linkpc.net/8090099090093090/In-Shitgewittern-Wie-wir-uns-das-Leben-zur-H-lle-machen-by-Jon-Ronson.pdf
    • http://loaminoo.linkpc.net/5095096095098097/Arthur-s-Chicken-Pox-An-Arthur-Adventure-by-Marc-Brown.pdf
    • http://loaminoo.linkpc.net/1090096096090096091/Hundespielzeug-selber-machen-Zergel-Kreuz-by-SpielTrieb.pdf
    • http://loaminoo.linkpc.net/8099091094090091/Schwierige-Kinder-gl-cklicher-machen-by-Doris-Niespor.pdf
    • http://loaminoo.linkpc.net/3091092091097094/Val-s-World-Featuring-the-Family-Unity-Roundtable-by-M-Ann-Machen-Pritchard.pdf
    • http://loaminoo.linkpc.net/1093091090094090/Das-Jahr-in-dem-ich-aufh-rte-mir-Sorgen-zu-machen-und-anfing-zu-tr-umen-by-Thomas-von-Steinaecker.pdf
    • http://loaminoo.linkpc.net/9098098099099097/Leben-im-Treibhaus-Unser-Klimasystem---und-was-wir-daraus-machen-by-Peter-Fabian.pdf
    • http://loaminoo.linkpc.net/1090094098094091092/F-ttere-den-wei-en-Wolf-Weisheitsgeschichten-die-gl-cklich-machen-by-Ronald-Schweppe.pdf
    • http://loaminoo.linkpc.net/8099098094092092/Ich-will-zu-dritt-ficken-Ihr-d-rft-mit-mir-machen-was-ihr-wollt-XXX-Edition-by-Lena-Neuer.pdf
    • http://loaminoo.linkpc.net/8099090090098095/The-Art-of-Asking-Wie-ich-aufh-rte-mir-Sorgen-zu-machen-und-lernte-mir-helfen-zu-lassen-by-Amanda-Palmer.pdf
    • http://loaminoo.linkpc.net/1090099094097096097/100-besondere-Geschenkideen-originelle-Geschenke-und-Pr-sente-die-Eindruck-machen-by-Walter-Hotz.pdf

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