MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded URLs, with one specifically identified as a malicious redirector. The document body, though partially obfuscated, includes the same URL and appears to be a lure related to 'game theory examples'. The presence of numerous external PDF links, many pointing to Shopify, suggests a link farm or SEO manipulation tactic to distribute malicious content. No scripts were extracted, but the primary attack vector appears to be directing users to malicious infrastructure.
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=game+theory+examples+in+real+life+pdf
- http://pijugig.bachelanilaw.com/uploads/1/3/2/6/132681352/5e94be6.pdf
- http://files.diannetwombly.com/uploads/1/3/2/6/132681556/b7f745bcb.pdf
- http://files.northhadleysugarshack.com/uploads/1/3/1/4/131437513/nisipob.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/8098/8325/files/natops_instrument_flight_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/3565/5335/files/87621892214.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nuruge.pdf
- https://cdn.shopify.com/s/files/1/0429/8693/0329/files/62090516563.pdf
- https://cdn.shopify.com/s/files/1/0448/0807/7473/files/equality_vs_equity_in_education.pdf
- https://cdn.shopify.com/s/files/1/0429/7526/4924/files/45129544556.pdf
- https://cdn.shopify.com/s/files/1/0433/5396/4702/files/desktop_tower_defense_1._5.pdf
- https://cdn.shopify.com/s/files/1/0439/0223/8888/files/3709885961.pdf
- https://cdn.shopify.com/s/files/1/0431/8376/7713/files/ammonia_combustion.pdf
- https://cdn.shopify.com/s/files/1/0431/3468/1250/files/wuvema.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_off000064b7.bin222c5195a4a82bb2199d3c0489a525e8f36be5102cf6f2be652e84781d9d3716 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64B7 | 5480 bytes |
font_01_sfnt_off00007742.bin24a0ca9325f2a9336d09c48d0eb32f26314a7853c651fe290942fcfd1efd3930 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7742 | 9976 bytes |
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