MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many pointing to external PDF files hosted on Shopify. This is indicative of a link farm or SEO manipulation tactic. Crucially, one of the embedded links redirects to `ttraff.com`, which is flagged as a known malicious redirector. The ML classifier also strongly indicated maliciousness. No scripts were extracted, limiting the analysis of direct payload delivery.
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/pify?keyword=verbos+irregulares+uniforme+biforme+triforme
- http://files.freeclinicsv.com/uploads/1/3/1/1/131164129/8052866.pdf
- https://cdn.shopify.com/s/files/1/0437/4790/1592/files/31181894348.pdf
- https://cdn.shopify.com/s/files/1/0436/2282/6144/files/fewekodupunut.pdf
- https://cdn.shopify.com/s/files/1/0434/7412/4950/files/91348386991.pdf
- https://cdn.shopify.com/s/files/1/0431/8570/1019/files/fundamental_accounting_concepts.pdf
- https://cdn.shopify.com/s/files/1/0429/1405/4300/files/81820688593.pdf
- https://cdn.shopify.com/s/files/1/0432/5956/0094/files/xirupip.pdf
- https://cdn.shopify.com/s/files/1/0429/1765/8780/files/board_member_job_description_template.pdf
- https://cdn.shopify.com/s/files/1/0433/0999/0043/files/gobikuwomefa.pdf
- https://cdn.shopify.com/s/files/1/0434/1052/2268/files/bujim.pdf
- https://cdn.shopify.com/s/files/1/0430/6485/2634/files/semiruvakivegimawoj.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_off00005940.bin3faf65366c6bb473049e3b7c7dbba765973e013173d23bbc37ca95d3148037bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5940 | 5072 bytes |
font_01_sfnt_off00006a69.bin57d4cb3f2a3fcbb1b7f1489bcb97ddd7ba0d4107c333ecf7647787703db7d567 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A69 | 10068 bytes |
font_02_sfnt_off00008cc9.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CC9 | 4324 bytes |
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