PDF malware analysis — malicious · 871588f55a33f24a

MALICIOUS

PDF

41.0 KB Created: 2020-08-31 13:57:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 04338ddf894d2ad11eff526199715000 SHA-1: b2534010c88f94a7543ef520388ea8ede612473e SHA-256: 871588f55a33f24a2e73df6805809d2fbed3f6b31718d2af190e26efeaf9b473

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains a lure related to 'Chuck tv series free mp4' and embeds numerous links. One of these links, 'https://ttraff.ru/wix?keyword=chuck+tv+series+free++mp4', is identified as a malicious redirector. The presence of a visual download button lure further supports the malicious intent. The file is likely part of a link farm or SEO poisoning campaign designed to redirect users to malicious sites.

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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 https://ttraff.ru/wix?keyword=chuck+tv+series+free++mp4
- https://cdn.shopify.com/s/files/1/0432/1473/3480/files/16641214193.pdf
- https://cdn.shopify.com/s/files/1/0429/3846/6467/files/jubaparemodew.pdf
- https://cdn.shopify.com/s/files/1/0434/3080/5669/files/logolemi.pdf
- https://cdn.shopify.com/s/files/1/0433/6123/9192/files/melawibolopes.pdf
- https://cdn.shopify.com/s/files/1/0437/9820/0481/files/zovemejumereranotut.pdf
- https://cdn.shopify.com/s/files/1/0439/0112/4760/files/69188225348.pdf
- https://cdn.shopify.com/s/files/1/0432/5477/5970/files/voduzoxoten.pdf
- https://cdn.shopify.com/s/files/1/0427/6954/7431/files/purejejikiwesenozavevek.pdf
- https://static.usrfiles.com/ugd/5438e3_e7b0fed2ab014cd5a0ab09c8b669c1a0.pdf
- https://static.usrfiles.com/ugd/e32576_6eb507b910f041a7a3a768f4184cb42c.pdf
- https://static.usrfiles.com/ugd/30e015_bfc083e0973746b582c0138371bf6a7e.pdf
- https://static.usrfiles.com/ugd/93971e_8b25bdde46a143c09d52774d1c38feb8.pdf
- https://static.usrfiles.com/ugd/6d59ab_e7b7155c94854967aa166514c312c854.pdf
- https://static.usrfiles.com/ugd/b8c837_8ccab66bbe3a4a7c8b252fca15e89c60.pdf
- https://static.usrfiles.com/ugd/227d0f_90951e67dfb6422fa2174d12c8a41f53.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006308.bin` `3749a6349d83c7cdfeab8ef195bf1be9ce100e647b9e8fb2c31c63878c30468f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6308	5128 bytes
`font_01_sfnt_off0000745d.bin` `28de06d5373c20e0ef141212763039c99030ace82871d19ed1757a1c8358db83`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x745D	10264 bytes

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