MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is used to obscure the final destination. The document body, though heavily obfuscated, contains a reference to the same redirector URL. The presence of a link farm and a malicious redirector suggests an attempt to lure users to malicious sites, likely for further exploitation or phishing.
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=wilcom+2006+atalhos+de+teclado
- https://static.usrfiles.com/ugd/b8c837_909093583bfc4f7880e0198000c6c45a.pdf
- https://static.usrfiles.com/ugd/f459ea_e313e286d460401f859325c8a1aaf2ee.pdf
- https://static.usrfiles.com/ugd/9219f8_e2b96af3569a4e619c86c8c8aacac638.pdf
- https://cdn.shopify.com/s/files/1/0434/5351/3880/files/cooling_tower_water_treatment_basics.pdf
- https://cdn.shopify.com/s/files/1/0431/6584/3620/files/lego_star_wars_the_complete_saga_download.pdf
- https://cdn.shopify.com/s/files/1/0436/2698/7680/files/fimutidoletotogesuji.pdf
- https://cdn.shopify.com/s/files/1/0440/9645/4808/files/69791541549.pdf
- https://cdn.shopify.com/s/files/1/0435/4274/1143/files/67373223266.pdf
- https://static.usrfiles.com/ugd/173616_271458060f1b42d68a5ecd8f39b202db.pdf
- https://static.usrfiles.com/ugd/badafb_9aacf98f5a13467399b4de1998b48ec9.pdf
- https://static.usrfiles.com/ugd/67f5f7_cad158ed131c4080a0a355b2ed0b89b0.pdf
- https://static.usrfiles.com/ugd/6da380_5c4216a37c104a64bae9f9ee04d7be5a.pdf
- https://static.usrfiles.com/ugd/eda9ba_d4f1f655c8704641bd767d83de5fa930.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_off00005866.bin395fed39783b499a2ee4cbff185ca9e7e263adbaf95bf23757762396053dd4ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5866 | 5524 bytes |
font_01_sfnt_off00006b10.bin2945be93e725af72674fd82ff1481f73de977b7e63988b211bbec46aa52a8c35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B10 | 14356 bytes |
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