MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many pointing to Shopify and static.usrfiles.com, but one critical link directs to a known malicious redirector at ttraff.ru. This redirector is likely used to obscure the final destination, which is probably a phishing or malware distribution site. The document body, though heavily obfuscated, contains the malicious URL and text related to a game download, suggesting a lure to entice users to click the link.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=sengoku+basara+game+apk
- https://cdn.shopify.com/s/files/1/0439/3215/6059/files/83126035612.pdf
- https://cdn.shopify.com/s/files/1/0427/8976/5279/files/nadadatusimejifure.pdf
- https://cdn.shopify.com/s/files/1/0435/5329/2440/files/25402543568.pdf
- https://cdn.shopify.com/s/files/1/0433/4111/9653/files/bilirrubina_directa_o_conjugada.pdf
- https://static.usrfiles.com/ugd/b8c837_350d0a29eb0c4a69bdebba7ef5a12e24.pdf
- https://static.usrfiles.com/ugd/ac72e0_4e48bea3aaa84440b7e015829154e60a.pdf
- https://static.usrfiles.com/ugd/f103bb_a92a0d5c016f4271a14dc18307a1bfc8.pdf
- https://static.usrfiles.com/ugd/a8ca0f_fe98bbe733424aba880d5c0f7f6885ed.pdf
- https://static.usrfiles.com/ugd/b8c837_736f5ea4b2b1488188eed9c4b98ec757.pdf
- https://static.usrfiles.com/ugd/67f5f7_421040c7441b47bbb318f0c7cf3de5c4.pdf
- https://static.usrfiles.com/ugd/0dcf4b_e00a67695c0d49df80cc7b6874db69fb.pdf
- https://static.usrfiles.com/ugd/868401_f46c7fed96044fa5904d3711ccef56e8.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_off00004b6a.bin36d8c451810b5af81c994aaba46161d40760f8b3773d9b3df4f844c503f2577e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B6A | 4928 bytes |
font_01_sfnt_off00005c1a.bin5523a934f22a959cc1c9ff5b5da6e3c18bba7c955e3fcf97a6533c4a764e57cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C1A | 5416 bytes |
font_02_sfnt_off00006e6f.bind0555d806d0770e09bd529c21e6f1b71ffa02e8cd9844e54a8a8f7a86e59436a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E6F | 10444 bytes |
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