Malicious PDF — malware analysis report

Static analysis result for SHA-256 7edba498ec090a18…

MALICIOUS

PDF

17.7 KB Created: 2019-05-03 17:12:20 +01:00 Authoring application: mPDF 5.7
MD5: 29a7ccf40d4587497bf959caa9b0a45f SHA-1: f783263180316e5b52fbd2583d21a2247b3c11f7 SHA-256: 7edba498ec090a18a4eaf7487e5ed3d57906a92891f857327c7e01db74d3ec53
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, characteristic of a link farm. The ML classifier also flagged this file as malicious. The primary attack pattern involves luring users to click on these links, potentially leading to further malicious content or phishing attempts. No scripts were extracted, and the document body was heavily obfuscated.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

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://cefasfese.4pu.com/9737734739735736/Rollenspiel-Und-Welttheater-Untersuchungen-An-Dramen-Calder-ns-Schillers-Strindbergs-Becketts-Und-Brechts-by-Manfred-Karnick.pdf
    • http://cefasfese.4pu.com/9731737732730739/Frederick-Manfred-A-Daughter-Remembers-by-Freya-Manfred.pdf
    • http://cefasfese.4pu.com/1731738735735739730/Lateinische-Gregorianik-Im-Lutherischen-Gottesdienst-by-Bertold-Hocker.pdf
    • http://cefasfese.4pu.com/1730738739734730737/Manfred-Lachs-Found-Law-as-a-Vehicle-by-Manfred-Lachs-Foundation.pdf
    • http://cefasfese.4pu.com/1731733739733732737/Die-Judischen-Dramen-by-Max-A-Zweig.pdf
    • http://cefasfese.4pu.com/1731737734735734733/Dramen-by-Johann-Sebastian-Mitternacht.pdf
    • http://cefasfese.4pu.com/1731737734736731738/Dramen-bersetzungen-by-Wolfhart-Spangenberg.pdf
    • http://cefasfese.4pu.com/1731737734736735730/Lessings-Dramen-by-Gotthold-Ephraim-Lessing.pdf
    • http://cefasfese.4pu.com/1730730731738739739/Die-Lieder-in-Frank-Wedekinds-Dramen-by-Kwangsun-Kim.pdf
    • http://cefasfese.4pu.com/1731738737736733739/Angst-Und-Furcht-in-Den-Dramen-Harold-Pinters-by-Heinz-Eikmeyer.pdf
    • http://cefasfese.4pu.com/1730736738736734734/Postmoderner-Feminismus-Caryl-Churchills-Dramen-by-Karl-Heinz-Stoll.pdf
    • http://cefasfese.4pu.com/9736731734730732/Franz-Grillparzers-Rezeption-der-antiken-Medea-Dramen-by-Franziska-Rothmann.pdf
    • http://cefasfese.4pu.com/1730732732736734735/Die-Intrige-in-Schillers-Fruhen-Dramen--Die-Rauber---Die-Verschworung-Des-Fiesko-Zu-Genua--Und--Kabale-Und-Liebe--by-Christina-Hauler.pdf
    • http://cefasfese.4pu.com/1731735736732736732/Der-b-rgerliche-Edelmann-Amphitryon-Die-L-stigen-Sganerell-Moliere-Dramen-in-III-B-nden---Band-III-by-Moli-re.pdf
    • http://cefasfese.4pu.com/4730737738736/Manfred-by-Lord-Byron.pdf
    • http://cefasfese.4pu.com/1731731733734737733/B-UME-by-Manfred-Neuhold.pdf
    • http://cefasfese.4pu.com/1731737732734737739/Nellis-Tagebuch-2-by-Manfred-K-hler.pdf
    • http://cefasfese.4pu.com/1730735736731730735/Psychologie-Der-Gruppe-by-Manfred-Sader.pdf
    • http://cefasfese.4pu.com/4733737730733735/The-Red-Battle-Flyer-by-Manfred-von-Richthofen.pdf
    • http://cefasfese.4pu.com/1731738734730732738/A-Sanskrit-Grammar-by-Manfred-Mayrhofer.pdf
    • http://cefasfese.4pu.com/1731738737736733739/Angst-Und-Furcht-in-Den-Dramen-Harold-Pinters-b

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