MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged as malicious by an ML classifier and contains a significant number of embedded links. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'https://ttraff.com/wix?keyword=symbolic+ethnicity+definition'. Another heuristic indicates a PDF link farm, with many links pointing to 'static.usrfiles.com'. The document body, though heavily obfuscated, also contains these URLs, suggesting a coordinated effort to distribute malicious content or phish users.
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.com/wix?keyword=symbolic+ethnicity+definition
- https://static.usrfiles.com/ugd/5ed537_0b48ccd7d4c2403883b42c2420bc5337.pdf
- https://static.usrfiles.com/ugd/cd79e3_2cc918bd7df54a78ba41eab6f35da8e2.pdf
- https://static.usrfiles.com/ugd/0fdb6d_a5939f6b7e964c51adcebc4329b1c2ab.pdf
- https://static.usrfiles.com/ugd/b8c837_4bef0a5f0118424595b59f9daf131fca.pdf
- https://static.usrfiles.com/ugd/b8c837_986d6d3f0bde48f389dc74c1d2969c71.pdf
- https://static.usrfiles.com/ugd/3eed2b_d9390a2d837b4ccead660c726af6e090.pdf
- https://static.usrfiles.com/ugd/69695d_e4a73b29bba14509b149bb25e4c46c85.pdf
- https://cdn.shopify.com/s/files/1/0431/7849/2062/files/5584353228.pdf
- https://cdn.shopify.com/s/files/1/0440/6162/2437/files/yoshi_story_rom.pdf
- https://cdn.shopify.com/s/files/1/0432/2240/1192/files/3d_wallpaper_hd_car.pdf
- https://cdn.shopify.com/s/files/1/0430/8526/7097/files/music_genres_list.pdf
- https://cdn.shopify.com/s/files/1/0439/3356/5096/files/miluviraxuk.pdf
- https://cdn.shopify.com/s/files/1/0462/7103/7602/files/gilakekokufuga.pdf
- https://cdn.shopify.com/s/files/1/0429/8512/8090/files/59918318625.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_off00005cc2.bin73be50d2375a481b8d377b62eaa3286b32b3ad8c23893e38878c83244a7cc13a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CC2 | 5124 bytes |
font_01_sfnt_off00006e13.bin529372643b200375cbd25f908b55f5a41aab3a19db39e12aa8bf4e25bb35fb1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E13 | 10520 bytes |
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