MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.cc, which is designed to lead users to further malicious content. The document also hosts a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO manipulation tactic to distribute malicious content. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs confirms the intent to redirect users.
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/pify?keyword=voltage+transformer+used+in+substation
- http://files.thinkgrafix.net/uploads/1/3/1/0/131070146/5073220.pdf
- http://files.ccmomc.org/uploads/1/3/1/8/131872178/44a8afac.pdf
- https://cdn.shopify.com/s/files/1/0429/2503/1590/files/95422371344.pdf
- https://cdn.shopify.com/s/files/1/0430/5502/2234/files/tineberejiwalaremupi.pdf
- https://cdn.shopify.com/s/files/1/0434/5249/8070/files/maps_for_clash_of_clans.pdf
- https://cdn.shopify.com/s/files/1/0438/4410/8453/files/automated_irrigation_system_project.pdf
- https://cdn.shopify.com/s/files/1/0429/0691/0876/files/vatewimirugidak.pdf
- https://cdn.shopify.com/s/files/1/0438/1632/1184/files/kivapujejo.pdf
- https://cdn.shopify.com/s/files/1/0433/7179/0494/files/laminijavibi.pdf
- https://cdn.shopify.com/s/files/1/0428/9078/9020/files/koxogazixonuk.pdf
- https://cdn.shopify.com/s/files/1/0435/5912/5153/files/morifobulonapiludagiw.pdf
- https://cdn.shopify.com/s/files/1/0437/8856/6680/files/2134602911.pdf
- https://cdn.shopify.com/s/files/1/0434/2556/2791/files/66904880915.pdf
- https://cdn.shopify.com/s/files/1/0427/4972/2790/files/9857997820.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ac2.bin25e6e9eec55b8b566a54ccc294896c9ea7b20569c9d2a7735525e08dc1d9f583 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AC2 | 5216 bytes |
font_01_sfnt_off00007c5e.bin80b3fa6066d3bdc42b977674c3432e31a7fb30cb99f8e7fa70b80b8689d068b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C5E | 10120 bytes |
font_02_sfnt_off00009edc.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EDC | 4324 bytes |
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