MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to a redirector URL. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the presence of a link farm. The primary malicious URL identified is https://ttraff.cc/wix?keyword=aqua+ammonia+vapour+absorption+refri, which is likely used to host or redirect to malicious content.
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.cc/wix?keyword=aqua+ammonia+vapour+absorption+refri
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_db3253c0efc7482b895a918465f5b309.pdf
- https://static.usrfiles.com/ugd/b8c837_586882f55bae49f7be74bbd8bae9132f.pdf
- https://static.usrfiles.com/ugd/b8c837_83c94c35d1d04a19bc32a8329cb88f04.pdf
- https://static.usrfiles.com/ugd/b8c837_2ce3bcebea834af9bfb1ef3d55410540.pdf
- https://static.usrfiles.com/ugd/b8c837_a74bf3a1a1e74299949488577e8a7950.pdf
- https://static.usrfiles.com/ugd/b8c837_59d9d69230334a6b8ca06d00fe49907e.pdf
- https://static.usrfiles.com/ugd/b8c837_271cbeca9dab4340b6fc9ed23a2e7d22.pdf
- https://static.usrfiles.com/ugd/b8c837_7aefd942af7945398a92b6381d1191bc.pdf
- https://static.usrfiles.com/ugd/b8c837_7572e2f117564a1999f028e8622bbec6.pdf
- https://static.usrfiles.com/ugd/b8c837_31904147d5864b94abd27a43350977cb.pdf
- https://static.usrfiles.com/ugd/b8c837_99c046e40dcc4af7983cd09e6ce7d7d5.pdf
- https://cdn.shopify.com/s/files/1/0430/2172/9955/files/purpose_driven_life_free.pdf
- https://cdn.shopify.com/s/files/1/0432/8197/3403/files/39439235450.pdf
- https://cdn.shopify.com/s/files/1/0430/8844/5589/files/96485784087.pdf
- https://cdn.shopify.com/s/files/1/0431/3301/0081/files/74199385665.pdf
- https://cdn.shopify.com/s/files/1/0432/1270/1854/files/work_rules_laszlo_bock_free.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007102.binb367b3a9b2716b543e0e8774eed563eddea820563f8763bea333a3c057af9f95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7102 | 5328 bytes |
font_01_sfnt_off00008310.binc5c558de1bf819a4bbd2f2d609f52628f8e6c3903a65c483a9ae900f58a8e070 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8310 | 10368 bytes |
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