MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.club'. The document body, though heavily obfuscated, also contains this URL and numerous other links to external PDFs hosted on 'static.usrfiles.com' and other domains, indicating a link farm strategy. The primary malicious URL is used as a lure, likely to download further malware. No scripts were extracted from this sample.
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.club/wix?keyword=learn+russian+app+android+free
- http://zurazo.coulbyglen.com/uploads/1/3/2/8/132814930/6854614.pdf
- http://dupabu.jelliegoedhart.com/uploads/1/3/1/3/131380213/mafuvufafejemo-perezapuxanitel-zuzikogerofawi-voxow.pdf
- http://files.toddphillipsmusic.com/uploads/1/3/2/3/132302716/volajixotepedu_fevikawadidemij.pdf
- http://files.americanprayerforce.com/uploads/1/3/1/0/131071312/gukexevuxoverireru.pdf
- https://static.usrfiles.com/ugd/9e53d4_f7532e09ac7a4be48bf447682acadd26.pdf
- https://static.usrfiles.com/ugd/8ac1ab_fceccd14bebe4210a1c57cbc088ede2e.pdf
- https://static.usrfiles.com/ugd/b8c837_9a533beecad245c59d93b09b0b65424e.pdf
- https://static.usrfiles.com/ugd/ced2dc_5b45ae1647044ab38dcff9f90515cd93.pdf
- https://static.usrfiles.com/ugd/bfd504_17f2539b565447f99d75b20a26497fac.pdf
- https://static.usrfiles.com/ugd/3eed2b_f3341a54b57749dcadeed54d7f74e62e.pdf
- https://static.usrfiles.com/ugd/8aba0c_2663bece15a04f649e9ba67a614ae953.pdf
- https://static.usrfiles.com/ugd/882da0_4108759e63c047eb8e20e908dff4c619.pdf
- https://cdn.shopify.com/s/files/1/0431/0623/8626/files/basic_guitar_chord_diagrams.pdf
- https://cdn.shopify.com/s/files/1/0437/4655/8106/files/lededukajebuz.pdf
- https://cdn.shopify.com/s/files/1/0437/6775/8997/files/bl2_bone_shredder.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_off00006155.bin0ec47970a629539edfb820de821283945186ce292f81eb3319d2c72fb4149163 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6155 | 4944 bytes |
font_01_sfnt_off0000723d.bin68512e36a281884a6d8d75dd0a097f82fdb70a625b18235cdc39d9b041757173 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x723D | 9948 bytes |
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