PDF malware analysis — malicious · 475e7f962a6417cc

MALICIOUS

PDF

45.1 KB Created: 2020-08-29 12:17:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3cfbbe916c5832587413bbb5c8ec3640 SHA-1: 9be05b64a84c239b7102a9c85e2ebebe9a7051a7 SHA-256: 475e7f962a6417ccac8d688c8148446a168392528e2cb36f11e97b8c1ca14336

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic match for a malicious redirector link pointing to 'https://ttraff.ru/wix?keyword=arata+creek+school'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the primary one leading to 'https://static.usrfiles.com/ugd/b8c837_761bf783b82f4dceab72610b8bd14f54.pdf'. The document body, though heavily obfuscated, contains these URLs, suggesting an attempt to direct users to malicious infrastructure.

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=arata+creek+school
- https://static.usrfiles.com/ugd/b8c837_761bf783b82f4dceab72610b8bd14f54.pdf
- https://static.usrfiles.com/ugd/b8c837_1225a9ef6b364cad995240a823b438a5.pdf
- https://static.usrfiles.com/ugd/b8c837_3382137978224093a2596f2a0e44a9c1.pdf
- https://static.usrfiles.com/ugd/b8c837_85ce0891ebfe4382ab458826ebf6b0b0.pdf
- https://static.usrfiles.com/ugd/b8c837_aad8a479f1454cfd873c982c8d2840d7.pdf
- https://static.usrfiles.com/ugd/b8c837_c0d15a98e73a46568002f219140aba0e.pdf
- https://static.usrfiles.com/ugd/b8c837_7f4466241aa44e2b85e5efb6c4711926.pdf
- https://static.usrfiles.com/ugd/565485_91dcf261424045ee8d5b4323abbe53e6.pdf
- https://static.usrfiles.com/ugd/b8c837_067be260fef9436f9e13c62f45bdbdf1.pdf
- https://static.usrfiles.com/ugd/b8c837_b8f9203f2bd8442da0d253efdafe0730.pdf
- https://cdn.shopify.com/s/files/1/0441/0625/2440/files/pozopinuniwuze.pdf
- https://cdn.shopify.com/s/files/1/0431/2625/9876/files/ballade_pour_adeline_original_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0432/5575/9011/files/total_gym_workout_routine.pdf
- https://cdn.shopify.com/s/files/1/0436/1102/9666/files/85971551012.pdf
- https://cdn.shopify.com/s/files/1/0438/7959/6187/files/ferowamakifiledipope.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_off000065fa.bin` `87e4b9ed00c14dc77738165973a0e3f205d0a5c1f2a1db25f53b934a11d3532b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65FA	4572 bytes
`font_01_sfnt_off00007588.bin` `05ed19d1b38641a8a4d55856e699f6d96d45584d2c6769537404de7d0f10da65`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7588	10640 bytes
`font_02_sfnt_off000099f0.bin` `9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x99F0	4324 bytes

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