PDF malware analysis — malicious · 204b1afe2e5d602f

MALICIOUS

PDF

42.3 KB Created: 2020-08-30 02:52:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0dea5d5f01db407466021dc168e500fe SHA-1: 3cee45729cc731d608181c7bfa0d6797d5708fd0 SHA-256: 204b1afe2e5d602f48c9c519c3718dc6005dda34413048da4ce2b92442e41a39

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a significant number of external links, many of which point to a link farm infrastructure. The primary URL, https://ttraff.com/wix?keyword=rockstar+social+club+gta+5+indir, is identified as a malicious redirector. This suggests the document's purpose is to lure users to malicious sites, likely for phishing or malware distribution, rather than providing legitimate content.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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.com/wix?keyword=rockstar+social+club+gta+5+indir
- https://static.usrfiles.com/ugd/913720_b9747442d2cb4e5aa77cb6d6496595ad.pdf
- https://static.usrfiles.com/ugd/b8c837_0359343dc87846aa8fcf29998e796332.pdf
- https://static.usrfiles.com/ugd/a298ce_1e7cde3d84494cd1a44211d7765e7bcb.pdf
- https://static.usrfiles.com/ugd/b8c837_06c94ce8b47e43228f51319a208a66f1.pdf
- https://static.usrfiles.com/ugd/b8c837_45aaa70368c748eabbcd910d550aa9b3.pdf
- https://static.usrfiles.com/ugd/b8c837_b80a51276c4640d8b781c73719c34f29.pdf
- https://cdn.shopify.com/s/files/1/0431/8996/0865/files/19078689650.pdf
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/nawinep.pdf
- https://cdn.shopify.com/s/files/1/0431/1914/9216/files/sowizajupab.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fofigez.pdf
- https://static.usrfiles.com/ugd/565485_49fd44b3b88d4a77a8d41105aa9e43e0.pdf
- https://static.usrfiles.com/ugd/3e0cb9_4aad8f31f4774ac8850d1f84a40d4fa5.pdf
- https://static.usrfiles.com/ugd/8b9728_5d40885d112c49459f17327f558bbd17.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_off0000616b.bin` `09a2f3b7e56d9d4cde220563111f4a0259bfe89bb886744a1f06867c277751b5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x616B	5444 bytes
`font_01_sfnt_off000073f5.bin` `eb0c2a06cbe0738d0d86cae9d79fb8fcf62e504e262d203347d6e4b1c288e4de`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x73F5	12844 bytes

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