PDF malware analysis — malicious · 596347e207c2e038

MALICIOUS

PDF

50.3 KB Created: 2020-08-31 13:45:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 95e9e4d231f2113f62f51dce66637d1a SHA-1: 6bc45b555b700e527df37b0bb3a95d237e78101f SHA-256: 596347e207c2e03861c21c0cf90801d5a4b8e58e62c7c301efa5e9a32318ce57

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm with 30 external PDF links, many hosted on Shopify, and a critical redirector link to 'ttraff.club'. The document body, though heavily obfuscated, contains text referencing 'Charles proxy certificate' and the malicious URL, indicating a social engineering lure. The primary malicious IOC is the redirector URL, which likely leads to a phishing or malware download site.

Heuristics 3

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.
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.club/wix?keyword=charles+proxy++certificate
- https://cdn.shopify.com/s/files/1/0428/9419/6902/files/sebi_guidelines_for_mutual_funds_notes.pdf
- https://cdn.shopify.com/s/files/1/0430/3742/5818/files/technical_requirements_template_word.pdf
- https://cdn.shopify.com/s/files/1/0427/5588/3175/files/lipokuvoxerisa.pdf
- https://static.usrfiles.com/ugd/cf79db_9c478883e008438ca8e2818f4b3af186.pdf
- https://static.usrfiles.com/ugd/ad2ade_0cc160aa4f714997a1deaee8a39a3a3b.pdf
- https://static.usrfiles.com/ugd/dc98cc_b944725001c1435fbd19ae0b5d19d0fa.pdf
- https://static.usrfiles.com/ugd/b8c837_d850670ac11a4000abbfad43d7352e1b.pdf
- https://static.usrfiles.com/ugd/b8c837_3ee411929aed468eaa0a2edda25113f1.pdf
- https://static.usrfiles.com/ugd/d43733_42e6d38d66af4a5590a5e4745bb7878b.pdf
- https://static.usrfiles.com/ugd/90423f_d4b032510e66407790ee288c12c8ef00.pdf
- https://static.usrfiles.com/ugd/3826db_c6e81e75770941739646acad6b3eb2e3.pdf
- https://static.usrfiles.com/ugd/6cfc61_4b24de08cf57472bb485dcbefec0d2ac.pdf
- https://static.usrfiles.com/ugd/0511f5_2c0c37ff445f4f6b9019009931c852a0.pdf
- https://static.usrfiles.com/ugd/e3325f_d65545f5cb2549d4bf3d7db07d19aa8c.pdf
- https://static.usrfiles.com/ugd/b8c837_b4d8fb8f5c4e45459aabfa5bcd063d47.pdf
- https://static.usrfiles.com/ugd/71fd01_eb6c580c6c364eaa8c86d467c73887d7.pdf
- https://static.usrfiles.com/ugd/008e52_4df538853751450fa8575f61ab2607b4.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006c68.bin` `3e086eff7013343012b2774ea591121d6998d6464867c613c68393d7c4734bff`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6C68	5176 bytes
`font_01_sfnt_off00007e09.bin` `4c19d6496ca77b94564209b3f7599e20a8cf836defd77c9e93877e7580642675`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E09	12572 bytes
`font_02_sfnt_off0000a716.bin` `d781c508aaf473e50263a6aabc3f4161b7fa10724c54bb8d35addee38a7f1c44`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA716	16164 bytes

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