MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a mass of external links, many pointing to Shopify-hosted PDFs, designed to appear as legitimate content. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely the primary malicious payload delivery mechanism. The ML classifier strongly supports the malicious nature of this PDF.
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=reporting+hierarchical+regression+results+apa
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/1278/4277/files/69532404893.pdf
- https://cdn.shopify.com/s/files/1/0427/7701/8524/files/california_dreaming_guitar_tab.pdf
- https://cdn.shopify.com/s/files/1/0462/2876/6871/files/ordinal_numbers_1-_100_exercises.pdf
- https://cdn.shopify.com/s/files/1/0433/0638/5558/files/50035563305.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jewepogepavab.pdf
- https://static.usrfiles.com/ugd/b8c837_8f4a2c07e0b840fabca3136754149fbb.pdf
- https://static.usrfiles.com/ugd/b8c837_6b1e24127d5c4175b889c175a960c520.pdf
- https://static.usrfiles.com/ugd/b8c837_17210462a724451698488763164e7bf8.pdf
- https://static.usrfiles.com/ugd/b8c837_f38d507272ba4bb5ac3f24534b1883b7.pdf
- https://static.usrfiles.com/ugd/b8c837_455e295a74104e64b1b901251d27e431.pdf
- https://static.usrfiles.com/ugd/b8c837_9d6ac805ccef4705aeed88c6bf67e36f.pdf
- https://static.usrfiles.com/ugd/b8c837_27a0d77b368d467cbf1d346bdddbaac8.pdf
- https://cdn.shopify.com/s/files/1/0464/9756/2776/files/69498827680.pdf
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/kobibewi.pdf
- https://cdn.shopify.com/s/files/1/0432/9917/6612/files/beacon_medaes_vacuum_pump_manual.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_off00007f00.binae8dfebe938a95cb7d07075ce177d3473627d98f05240a2ff47456acb7faca17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F00 | 5204 bytes |
font_01_sfnt_off000090af.bin6b61bca6def44f566970d368bc2817daaaf8dccd20fee0323f66121f4d95470a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90AF | 10244 bytes |
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