MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a mass link farm, with a primary malicious redirector URL identified. The document body, though obfuscated, contains the same malicious URL and appears to be a lure for medical-related content. The ML classifier strongly indicated maliciousness, and the presence of numerous external links suggests an attempt to distribute further malicious content or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=bronchopneumonia+in+pediatrics+pdf
- http://files.soulesolsticefarm.com/uploads/1/3/1/8/131856135/3351041.pdf
- http://files.shehrezadmaher.com/uploads/1/3/2/6/132681901/wumowosujaz.pdf
- http://files.pwcyoga.com/uploads/1/3/0/7/130775490/nixezekixubudabom.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/8876/4316/files/2003_saturn_vue_owner_s_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/8558/6841/files/17242599552.pdf
- https://cdn.shopify.com/s/files/1/0449/4403/1899/files/ap_calculus_derivatives.pdf
- https://cdn.shopify.com/s/files/1/0439/4231/4152/files/namorado_de_aluguel_download.pdf
- https://cdn.shopify.com/s/files/1/0433/9348/2902/files/67428738098.pdf
- https://cdn.shopify.com/s/files/1/0429/6795/7658/files/92412941537.pdf
- https://cdn.shopify.com/s/files/1/0431/9484/3293/files/4250823420.pdf
- https://cdn.shopify.com/s/files/1/0431/4857/4884/files/zolavida.pdf
- https://cdn.shopify.com/s/files/1/0431/2521/1298/files/kiwojidovovufazu.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_off00006733.bin1d03a68520f3723345e9c74f8fad52cf15e58d92d442b2d1250fa9305459ea24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6733 | 5412 bytes |
font_01_sfnt_off00007970.bin8dd1e19f3d6cf5402b15a4440d785cc773b9321474d47cc81702d12e55008aa6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7970 | 10060 bytes |
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