Malicious PDF — malware analysis report

Static analysis result for SHA-256 97900fb2709a8d31…

MALICIOUS

PDF

33.9 KB Created: 2020-06-05 09:18:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9bc1f30f949b6a945e1068d07577013f SHA-1: 4352b5f9e6b5ebea3aa7174c8f87a4e1bd76b00d SHA-256: 97900fb2709a8d315155f963d1be4cfdd2eeba927e1d5223851a40c7b6d4b8c1
100 Risk Score

Malware Insights

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

This PDF file contains an embedded JavaScript stream and a large number of external URIs, many of which point to SEO-optimized PDF files. The primary lure appears to be related to 'Medcezir dizi müzik indir mp3', directing users to a malicious website. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being used for malicious purposes, likely to redirect users to further malicious content or downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • 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 JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://connellpsych.com/uploads/1/3/0/9/130969390/130969390.html#medcezir+dizi+m%25C3%25BCzi%25C4%259Fi+indir+mp3
    • http://shopjaysoffroadgear.com/uploads/1/3/0/7/130776176/nalav.pdf
    • http://travelerreadings.com/uploads/1/3/1/4/131406582/fugimomepomuda.pdf
    • http://fidrapr.com/uploads/1/3/0/6/130639966/xofeko-migovuze-giwim.pdf
    • http://babyboonivf.com/uploads/1/3/0/7/130775126/dijanureve_vobazit.pdf
    • http://areariservata.newgeorgiaclaywork.com/uploads/1/3/0/6/130604313/fajejaneloto.pdf
    • http://superior-electrical-services.com/uploads/1/3/0/6/130604361/bijokenotoxu_kisofa.pdf
    • http://teachtech2me.com/uploads/1/3/0/6/130604027/4941660.pdf
    • http://rhodestojoy.com/uploads/1/3/0/2/130289332/2438478.pdf
    • http://connellpsych.com/uploads/1/3/0/9/130969390/terms.html
    • http://connellpsych.com/uploads/1/3/0/9/130969390/dmca.html
    • http://connellpsych.com/uploads/1/3/0/9/130969390/policy.html
    • https://zonaselid117862540.files.wordpress.com/2020/06/divejuwafeponororulufaz.pdf
    • https://dipenafuvepe538297139.files.wordpress.com/2020/06/junewololajasiriz.pdf
    • https://kitiwuxe.files.wordpress.com/2020/06/58485508676.pdf
    • https://depizawadi33663686.files.wordpress.com/2020/06/35782134773.pdf
    • https://vepukanat.files.wordpress.com/2020/06/66001956237.pdf
    • https://jokufujotar.files.wordpress.com/2020/06/54958152011.pdf
    • https://vewiritikiwi.files.wordpress.com/2020/06/wipafosiriwinevedo.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_off000053e6.bin
ec6709fc13815de1fa6f90f5e7fbbd8333fa2af209f8220f5eadd72aa9af8ce3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53E6 12136 bytes

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