Malicious PDF — malware analysis report

Static analysis result for SHA-256 58d86ae6b3f02a3e…

MALICIOUS

PDF

44.8 KB Created: 2020-05-18 00:14:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b81e6a685f568cd83edb545661412883 SHA-1: f823d0758eec0db11db06099d9996856b311ec2c SHA-256: 58d86ae6b3f02a3ec338569e762f393d75b93815e5a89885041a7ccd60d67e43
92 Risk Score

Malware Insights

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

This PDF contains a large number of external links, many of which point to other PDFs hosted on similar domains. The heuristic 'PDF_SEO_LINK_FARM' indicates this is a link farm designed to manipulate search engine results. The document body contains text related to 'shooting games for android 2019' and the authoring application 'wkhtmltopdf', suggesting a deceptive lure. The primary intent appears to be driving traffic to a network of SEO-optimized content, likely for advertising or further malicious redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://openboxsaving.com/uploads/1/3/0/7/130738641/130738641.html#best+shooting+games+for+android+2019
    • http://thefloweroflife.world/uploads/1/3/1/4/131406480/zimuwulisuzalax.pdf
    • http://bellaaccess.ca/uploads/1/3/1/4/131406288/jetezebibawadil-daniliwojiwabu-vopesug-nuwox.pdf
    • http://capefeartraining.net/uploads/1/3/0/8/130874217/zefefox.pdf
    • http://aestheticsgram.com/uploads/1/3/0/3/130323227/d0406d0036ea3.pdf
    • http://mmplantservices.com/uploads/1/3/0/5/130590026/dekixilibogesitodin.pdf
    • http://swamppride.com/uploads/1/3/0/4/130436079/5663642.pdf
    • http://rossbrownscience.com/uploads/1/3/0/3/130379292/xodenixav.pdf
    • http://happybeautifulnaked.org/uploads/1/3/0/8/130874085/dadigizora.pdf
    • http://haircascades.com/uploads/1/3/0/6/130604093/luzufaxizetiri.pdf
    • http://tracyhughes99.com/uploads/1/3/1/3/131379262/bisubalevovuvowibe.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_off0000852a.bin
b9d320a308308d941e330f04d6db04220b6f28e43a5261654402bc2b04a8ee64		 pdf-font-stream PDF embedded font (sfnt) at offset 0x852A 10200 bytes

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