MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Addends
The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. Additionally, it contains a large number of external PDF links, many hosted on Shopify, which is indicative of a link farm. The primary malicious URL identified is https://ttraff.com/wix?keyword=tchoukball+rules+simple. The ML classifier also strongly indicated maliciousness. No scripts were extracted, and the document body was heavily obfuscated.
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=tchoukball+rules+simple
- https://cdn.shopify.com/s/files/1/0432/6853/8521/files/empirical_formula_questions_gcse.pdf
- https://cdn.shopify.com/s/files/1/0431/5850/3584/files/21962375102.pdf
- https://cdn.shopify.com/s/files/1/0431/1718/3130/files/pokakesunukesukelujek.pdf
- https://static.usrfiles.com/ugd/d1c05f_3bd72c26ae4a46418b5912dd4c8fb19b.pdf
- https://static.usrfiles.com/ugd/b8c837_5eb25f9902e447c89147184e0b68948f.pdf
- https://static.usrfiles.com/ugd/5b604d_5d20109e706c42aa9f1b8ee858a2ae83.pdf
- https://static.usrfiles.com/ugd/b8c837_0378499d807e41d8b2a47aa2df882a6c.pdf
- https://cdn.shopify.com/s/files/1/0436/2380/9187/files/74308175081.pdf
- https://cdn.shopify.com/s/files/1/0432/8918/2376/files/adding_and_subtracting_fractions_word_problems_4th_grade.pdf
- https://cdn.shopify.com/s/files/1/0438/3480/2333/files/nupenuberek.pdf
- https://cdn.shopify.com/s/files/1/0429/5409/6806/files/pepofunezekagifugepufo.pdf
- https://cdn.shopify.com/s/files/1/0433/2149/1621/files/mercury_outboard_manual_tilt_release.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_off00006be7.bin575a48024101712939c7db86b656aab954caa65c02a1abf3b0abaab9df0d9512 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BE7 | 5328 bytes |
font_01_sfnt_off00007dda.bin3d8738fc4bb07b008770b4d1ab133b560ee4bd07705e4d2c808871c50249df4b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DDA | 10332 bytes |
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