PDF malware analysis — malicious · c34793b3d4ab56cd

MALICIOUS

PDF

38.8 KB Created: 2020-08-29 14:01:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 891e9b8757ab2b8892933fab817dda3f SHA-1: 9f2677b75cf3dc8f87d6f7855506a339da543bfd SHA-256: c34793b3d4ab56cd40efe000c6103a525df805752404017dc7067d2b1fa03091

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The document body, though heavily obfuscated, also contains the same malicious URL. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to lure users to malicious content. The primary malicious URL is ttraff.cc, which is known for redirecting to malicious sites.

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.cc/wix?keyword=art+attack+espa%25C3%25B1ol+latino+capitulos+completos
- https://cdn.shopify.com/s/files/1/0435/5181/7883/files/nice_guidelines_hyperthyroidism_in_pregnancy.pdf
- https://cdn.shopify.com/s/files/1/0452/5568/8354/files/wubarejuxojekolobuso.pdf
- https://cdn.shopify.com/s/files/1/0427/9091/2159/files/domexob.pdf
- https://static.usrfiles.com/ugd/b8c837_e36b7e4a920346da937485d9921a63db.pdf
- https://static.usrfiles.com/ugd/b8c837_598d6818cebb42b9a47e2967aa1b1525.pdf
- https://static.usrfiles.com/ugd/b8c837_4aaee83269cd41b0a004663ce5331d96.pdf
- https://static.usrfiles.com/ugd/b8c837_7ebb13b028d041cc9cdd3336850bceca.pdf
- https://static.usrfiles.com/ugd/b8c837_e38f667fcf874eafb195180f138fee3d.pdf
- https://static.usrfiles.com/ugd/b8c837_3daa7cc62bae48708f7609399e071a1b.pdf
- https://static.usrfiles.com/ugd/b8c837_c923e54655a84240a8895a5403bc3396.pdf
- https://static.usrfiles.com/ugd/b8c837_853327562298494eaa99db4a50b10a37.pdf
- https://static.usrfiles.com/ugd/b8c837_a932183e82f7499681b2072342856939.pdf
- https://static.usrfiles.com/ugd/b8c837_dc9bbe27d8484c929b4ae8325a993ff9.pdf
- https://static.usrfiles.com/ugd/b8c837_4f02a680d3bb45d18d5c27075fd2c1aa.pdf
- https://static.usrfiles.com/ugd/b8c837_c5f94ba207c942d794e884cf7a0520a7.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_off000044b2.bin` `85142ea1b7a8c7d64c83cfcebca5a6379ba5a865a0d065a948eb7c658bf6207e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x44B2	5344 bytes
`font_01_sfnt_off0000567b.bin` `7a627243d2828d2eb420821e5feb8624385f420a4089c8b153c735f7eb9c21f4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x567B	9464 bytes
`font_02_sfnt_off00007716.bin` `1a51fac5cecc05d5f0a5d3b698ffe240ccab470cdba6a823ba27c6c2a12c20dd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7716	16060 bytes

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