Malicious PDF — malware analysis report

Static analysis result for SHA-256 316966f82c0b0b70…

MALICIOUS

PDF

15.1 KB Created: 2019-04-29 23:29:17 +01:00 Authoring application: mPDF 5.7
MD5: 7fe0af6d5a342c800e7290526b600c6c SHA-1: 942feee1e654958ce32296759d6623d4fa2e1730 SHA-256: 316966f82c0b0b70a385e9a7c585be78a29c8947f67a6a3988284e10765acd9e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier as malicious and contains a large number of embedded links. The primary attack pattern observed is a link farm, where numerous URLs are provided within the document, likely to direct users to potentially harmful content or phishing sites. No scripts were extracted from this sample, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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://muicuiu.dumb1.com/9a08a08a00a05a03/NACKT-PERFEKTE-M-DCHEN-3-by-Key-Nudo.pdf
    • http://muicuiu.dumb1.com/9a08a08a00a05a00/NACKT-PERFEKTE-M-DCHEN-13-by-Key-Nudo.pdf
    • http://muicuiu.dumb1.com/9a08a08a01a08a02/NACKT-PERFEKTE-M-DCHEN-4-by-Key-Nudo.pdf
    • http://muicuiu.dumb1.com/9a08a07a08a09a08/-quot-Nackt-Sexbilder-Xxx-Nackt-Bilder-F-r-Sie-by-Ester-Haas.pdf
    • http://muicuiu.dumb1.com/9a01a04a08a01a08/Ton-in-Ton-perfekte-Wohnfarben-by-Stephanie-Hoppen.pdf
    • http://muicuiu.dumb1.com/8a09a05a07a00a05/Der-perfekte-Sohn-by-Barbara-Claypole-White.pdf
    • http://muicuiu.dumb1.com/5a03a06a04a01a05/Eine-perfekte-Partie-Roman-by-Katie-Fforde.pdf
    • http://muicuiu.dumb1.com/1a00a06a06a06a01a02/Der-perfekte-Rasen-Richtig-anlegen-und-pflegen-by-Christa-Lung.pdf
    • http://muicuiu.dumb1.com/1a01a00a01a01a01a01/Die-perfekte-Ausr-stung-f-rs-Pferd---sicher-amp-g-nstig-by-Katja-Hinzberg.pdf
    • http://muicuiu.dumb1.com/6a09a07a05a04a03/Angry-Birds---Stella-1-Eine-fast-perfekte-Insel-by-Audrey-Alwett.pdf
    • http://muicuiu.dumb1.com/9a08a08a00a04a05/Niedlich-und-nackt-by-Red-Digital.pdf
    • http://muicuiu.dumb1.com/9a08a08a01a04a04/Nackt-im-Park-by-Red-Digital.pdf
    • http://muicuiu.dumb1.com/9a08a07a09a06a02/Nackt-Duschen-by-M-C-Hanlon.pdf
    • http://muicuiu.dumb1.com/1a00a02a09a01a09a01/Die-Perfekte-Fussballbraut-So-Meistern-Sie-Mit-Ihrem-Liebsten-Die-Fussball-Wm-Und-Die-Zeit-Danach-by-Carola-Kupfer.pdf
    • http://muicuiu.dumb1.com/9a08a08a01a04a06/Nackt-jung-und-verheiratet-by-Models18.pdf
    • http://muicuiu.dumb1.com/1a00a04a09a03a00a00/Wundersch-n-nackt-und-verspielt-by-SunImage21.pdf
    • http://muicuiu.dumb1.com/9a08a07a09a05a09/Nackt-in-Turnschuhen-by-Tommi-Horwath.pdf
    • http://muicuiu.dumb1.com/9a08a08a01a03a04/Male-mich-nackt-by-Alun.pdf
    • http://muicuiu.dumb1.com/9a08a07a09a06a04/Nackt-amp-Ausgeliefert-by-Anita-Rosenbach.pdf
    • http://muicuiu.dumb1.com/9a08a08a00a05a02/Nackt-und-Schamlos-Sexgeschichten-by-Hans-Albers.pdf

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