Malicious PDF — malware analysis report

Static analysis result for SHA-256 d82977757c2ca01f…

MALICIOUS

PDF

16.3 KB Created: 2019-05-01 05:13:23 +01:00 Authoring application: mPDF 5.7
MD5: 94db21cb7a4ef923ee852b25e3b16ac1 SHA-1: 9bd5857c40fa883a2c24a595f7cfd66f7272be91 SHA-256: d82977757c2ca01fbb7d385877f0e1443bb8e41fe67af521b566f7d8aad17e5b
60 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents hosted on a dynamic DNS domain. This is indicative of a link farm or SEO poisoning attack, designed to drive traffic to potentially malicious or unwanted content. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the immediate intent beyond redirection.

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/1091094093096096090/Hungermusik-Ein-Autobiographisches-Skizzenbuch-Ohne-Ende-by-Catarina-Carsten.pdf
    • http://loaminoo.linkpc.net/9093092096095091/Das-Ende-Der-Neuzeit-Menschsein-In-Einer-Welt-Ohne-G-tter-by-Rupert-Lay.pdf
    • http://loaminoo.linkpc.net/1091097093091091098/Das-Ende-aller-Di-ten-N-hrstoffreich-abnehmen-ohne-Hungern-by-Joel-Fuhrman.pdf
    • http://loaminoo.linkpc.net/8097092096091091/Wie-lebten-Prinzen-und-Prinzessinnen-in-Wirklichkeit-oder-Erbsen-ohne-Ende-by-Christiane-B-hm.pdf
    • http://loaminoo.linkpc.net/9097096092092096/Die-Flucht-ohne-Ende-Flucht-aus-russischer-Kriegsgefangenschaft---Vollst-ndige-Ausgabe-Biographischer-Roman-Erster-Weltkrieg-by-Joseph-Roth.pdf
    • http://loaminoo.linkpc.net/8098094092093099/Ohne-Haar-und-ohne-Namen-Im-Frauen-Konzentrationslager-Ravensbr-ck-by-Sarah-Helm.pdf
    • http://loaminoo.linkpc.net/1091098098091095094/Low-Carb-Pl-tzchen-amp-Kekse-Backen-ohne-Weizenmehl-und-ohne-Zucker-by-Robert-Schumann.pdf
    • http://loaminoo.linkpc.net/5099099097091097/Gl-cklich-ohne-Geld-Wie-ich-ohne-einen-Cent-besser-und-kologischer-lebe-by-Raphael-Fellmer.pdf
    • http://loaminoo.linkpc.net/9096098091094099/Carsten-Nicolai-Anti-Reflex-by-Carsten-Nicolai.pdf
    • http://loaminoo.linkpc.net/6090097091093098/Br-sil-8---Santa-Catarina-by-Lonely-Planet.pdf
    • http://loaminoo.linkpc.net/5099097097091090/Serm-o-de-Santa-Catarina-1663-by-Ant-nio-Vieira.pdf
    • http://loaminoo.linkpc.net/1091094093094092091/Autobiographisches-Briefe-by-Franziska-zu-Reventlow.pdf
    • http://loaminoo.linkpc.net/1091094093094096095/Autobiographisches-und-Theoretisches-by-d-n-von-Horv-th.pdf
    • http://loaminoo.linkpc.net/1091094093095093092/Autobiographisches-in-David-Copperfield-by-Richard-Bluhm.pdf
    • http://loaminoo.linkpc.net/1091094093096090095/Von-Der-Natur-Nicht-Vorgesehen-Autobiographisches-by-Hilde-Domin.pdf
    • http://loaminoo.linkpc.net/1095099092096096/Niceville-by-Carsten-Stroud.pdf
    • http://loaminoo.linkpc.net/2090099094090092/We-The-Drowned-by-Carsten-Jensen.pdf
    • http://loaminoo.linkpc.net/4091090098097/We-the-Drowned-by-Carsten-Jensen.pdf
    • http://loaminoo.linkpc.net/1090091091090099098/The-Shimmer-by-Carsten-Stroud.pdf
    • http://loaminoo.linkpc.net/9096098092095094/Moire-Index-by-Carsten-Nicolai.pdf
    • http://loaminoo.linkpc.net/5099

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