MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, forming a link farm. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is used to obscure the final destination. The document body, though heavily obfuscated, contains references to software downloads, suggesting a lure to trick users into clicking the malicious links. The ML classifier strongly supports the malicious verdict.
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=adobe+audition++for+windows+7
- http://nijef.iamasocialscientist.com/uploads/1/3/1/1/131164538/6391827be.pdf
- http://files.complexity-aesthetics.com/uploads/1/3/0/7/130775145/fb888eb.pdf
- http://files.castlepointclimateactiongroup.org/uploads/1/3/1/4/131483214/pozopataru.pdf
- https://cdn.shopify.com/s/files/1/0430/4135/7973/files/9420188321.pdf
- https://cdn.shopify.com/s/files/1/0433/8201/4108/files/xusokimetof.pdf
- https://cdn.shopify.com/s/files/1/0430/8385/8080/files/pizigaxufifu.pdf
- https://cdn.shopify.com/s/files/1/0437/4432/9877/files/defusarafev.pdf
- https://cdn.shopify.com/s/files/1/0429/2821/0073/files/terunut.pdf
- https://cdn.shopify.com/s/files/1/0431/1266/1152/files/xivajomadifezinezofuzu.pdf
- https://cdn.shopify.com/s/files/1/0437/5196/4830/files/60205620538.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/82037539406.pdf
- https://cdn.shopify.com/s/files/1/0428/9314/8313/files/concrete_words_examples.pdf
- https://cdn.shopify.com/s/files/1/0434/9342/5316/files/duwaselevanora.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/zaralesepumavolipu.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_off00006a08.bin0c6a98ae729913369d4478e5afd945aead9e1aa7a63e46c65a92fb4c72fdd497 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A08 | 5172 bytes |
font_01_sfnt_off00007bc4.bind4b7987cc5d672361665b2c50c34bc52b28c6bd5179d3a25e4a24441789a93a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BC4 | 9844 bytes |
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