PDF malware analysis — malicious · 476026c04fbddec1

MALICIOUS

PDF

66.3 KB Created: 2020-08-29 19:31:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 924129870c9f81acd1ec75ae685a1103 SHA-1: 74b368d15a3694ced758269271fc8ec7e05a85b5 SHA-256: 476026c04fbddec11cb5859573f9799a18290726050060bfa3c42852da97b2b1

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wix?keyword=busqueda+implacable+espa%25C3%25B1ol+latino'. Additionally, another critical heuristic indicates a PDF link farm, suggesting an attempt to manipulate search engine results or distribute multiple malicious links. The document body, though heavily garbled, contains the same suspicious URL.

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.ru/wix?keyword=busqueda+implacable+espa%25C3%25B1ol+latino
- https://static.usrfiles.com/ugd/003b86_602c07350af64c3fb42cabf8e43932ae.pdf
- https://static.usrfiles.com/ugd/b8c837_09cab67634d34ef5a8f6df7b41e049b3.pdf
- https://static.usrfiles.com/ugd/b8c837_8d3269b0839740d79e79dbe27f89ce81.pdf
- https://static.usrfiles.com/ugd/b8c837_fc2c3690156841729add3e999934dfc9.pdf
- https://static.usrfiles.com/ugd/b8c837_47e4f217def14a49a6bad2a3b6129161.pdf
- https://static.usrfiles.com/ugd/7d21c0_af17295077ea451ea197a03e2f20d9e8.pdf
- https://static.usrfiles.com/ugd/b8c837_233d63fd43384f64a6583dfb153e8502.pdf
- https://static.usrfiles.com/ugd/b8c837_a9362790c1ab4656b3979172d47a5cce.pdf
- https://static.usrfiles.com/ugd/b8c837_570843dfa00848aa8f001642ff081495.pdf
- https://static.usrfiles.com/ugd/2b25b5_9971122dc6494c65bd89de62994bb247.pdf
- https://cdn.shopify.com/s/files/1/0430/4925/5066/files/nepuzilanikazudu.pdf
- https://cdn.shopify.com/s/files/1/0443/6430/0444/files/developing_reading_skills.pdf
- https://static.usrfiles.com/ugd/b8c837_ed5ff982e8504dd98857a5e5da02b28d.pdf
- https://static.usrfiles.com/ugd/6116da_8cb24ba67f8a41849af2e4c3639bd314.pdf
- https://static.usrfiles.com/ugd/7ea8bb_018cc7bf2dae4c0e94cbc4aa786a77f9.pdf
- https://static.usrfiles.com/ugd/b8c837_5d34c880e3b14f44b39ab8d267b25c3f.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_off0000b4c4.bin` `9d6c1b89aaf40a7e49e1f6de82f535688a28167f3fd2f2f0edae93dacb89c837`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB4C4	5532 bytes
`font_01_sfnt_off0000c72d.bin` `7fefe83946ca58f887d09256f3b13c199abeb48e256e9f53953ecbc7a5e18db0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC72D	11264 bytes
`font_02_sfnt_off0000ebad.bin` `cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEBAD	4324 bytes

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