MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector infrastructure. The primary malicious URL identified is ttraff.ru, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other Shopify-hosted PDFs, suggesting a link farm or SEO manipulation tactic to distribute malicious content. The ML classifier also strongly indicated maliciousness.
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.ru/pify?keyword=sing+your+face+off
- http://files.clevelandtheater.org/uploads/1/3/0/8/130814430/fc15537e9b27.pdf
- http://files.iwstreecare.com/uploads/1/3/2/7/132740479/wogupu-zukokitoruwogog-zikezugufada-pubuzesilas.pdf
- http://files.michellesbargainstyle.com/uploads/1/3/0/7/130776351/5819432.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5430/9274/files/56458764584.pdf
- https://cdn.shopify.com/s/files/1/0431/6430/3516/files/vewotuda.pdf
- https://cdn.shopify.com/s/files/1/0432/7079/9510/files/82894166207.pdf
- https://cdn.shopify.com/s/files/1/0433/9413/8277/files/zofakosomuvawuxekewul.pdf
- https://cdn.shopify.com/s/files/1/0433/1785/4373/files/89144810606.pdf
- https://cdn.shopify.com/s/files/1/0429/9633/4753/files/elf_bowling_3.pdf
- https://cdn.shopify.com/s/files/1/0438/1209/4109/files/kudofetuw.pdf
- https://cdn.shopify.com/s/files/1/0433/1818/2041/files/user_input_python.pdf
- https://cdn.shopify.com/s/files/1/0440/8056/2326/files/410_shotguns_at_walmart.pdf
- https://cdn.shopify.com/s/files/1/0431/9592/4640/files/lapipilawaweweru.pdf
- https://cdn.shopify.com/s/files/1/0434/5207/2089/files/96769698102.pdf
- https://cdn.shopify.com/s/files/1/0432/6237/8152/files/2281441452.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_off00006473.bin0525f950d4a3144f071283cd9f3c286d7ef1287808162a7ec309918622ec5b2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6473 | 5044 bytes |
font_01_sfnt_off000075b8.bin31d8f88e892fe1e9d81d1e04f3fed2e0ed1357fa2573ccf970c1c47203ddbf64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75B8 | 9844 bytes |
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