Malicious PDF — malware analysis report

Static analysis result for SHA-256 c85156424016c458…

MALICIOUS

PDF

38.8 KB Created: 2020-04-11 09:54:15 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: a71b2593aff87cd5d3949a35599f22ef SHA-1: 4e87526f9bc974adda0b1f705cf9f111bbaaa09e SHA-256: c85156424016c458d4bab56436e4bdcaed2494e20054114eb1838094dd6b91c0
92 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to other PDF files hosted on various domains. The document body mentions 'Psp gold emulator apkpure', suggesting a lure to download potentially malicious software. The PDF_SEO_LINK_FARM heuristic indicates a deliberate attempt to create a link farm, likely for SEO manipulation or to host multiple malicious payloads. The ML_NYX_PDF_MALICIOUS score further supports the malicious nature of this document.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://richter-family.rominastiebenphotography.com/uploads/1/3/0/4/130436068/130436068.html#psp+gold+emulator+apkpure
    • http://haitiangospeltv.com/uploads/1/3/1/1/131163729/7339566.pdf
    • http://newlifeh2o.com/uploads/1/3/1/3/131380666/duxemizukakut_vonuxotu_sajuriver.pdf
    • http://pubmouth.com/uploads/1/3/1/3/131379935/8054634.pdf
    • http://greatexpectationsboxers.com/uploads/1/3/1/0/131071164/2976266.pdf
    • http://federicaitaliano.it/uploads/1/3/0/6/130605083/samomimutodegag.pdf
    • http://operadoraexperienciasmagicas.com/uploads/1/3/0/4/130489229/7899017.pdf
    • http://gainingskinny.org/uploads/1/3/0/2/130287929/pelizero.pdf
    • http://ladygemini.studio/uploads/1/3/1/0/131070612/pizezubul.pdf
    • http://sunshineuniquedetailing.com/uploads/1/3/0/6/130604568/3393673.pdf
    • http://lifelineinsurance.info/uploads/1/3/0/5/130540458/pites.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000070a9.bin
c49a50b159239811449752ae7b09c57d10f92c11ba56bd71661c5a86b12fb583		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70A9 8104 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.