MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that point to a known malicious redirector, which is designed to lead users to malicious content. The document body, though corrupted, suggests a lure related to 'carpal tunnel syndrome patient information'. The presence of a link farm heuristic further indicates an attempt to distribute malicious content through SEO-like tactics. The ML classifier strongly flagged this PDF as malicious.
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=carpal+tunnel+syndrome+patient+information+pdf
- http://files.moto-camino.com/uploads/1/3/1/4/131483772/numed_nisofoxiwem_rejisatazob.pdf
- http://files.cancanliners.com/uploads/1/3/0/7/130775228/212d5aafaf7370.pdf
- http://files.sedonaweddingessentials.com/uploads/1/3/0/8/130814124/5461353.pdf
- http://files.sergey-gusev.com/uploads/1/3/1/8/131871740/8276357.pdf
- https://cdn.shopify.com/s/files/1/0439/6217/1550/files/46670818651.pdf
- https://cdn.shopify.com/s/files/1/0434/3257/5132/files/tuwilaxamigofedotixeduv.pdf
- https://cdn.shopify.com/s/files/1/0435/0086/3643/files/intercessory_prayer_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/9313/1425/files/78510508902.pdf
- https://cdn.shopify.com/s/files/1/0433/5943/6951/files/67259557608.pdf
- https://cdn.shopify.com/s/files/1/0430/4466/7553/files/judusir.pdf
- https://cdn.shopify.com/s/files/1/0428/8158/1209/files/lejim.pdf
- https://cdn.shopify.com/s/files/1/0433/4141/4555/files/39250483081.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27247465441.pdf
- https://cdn.shopify.com/s/files/1/0430/4414/3253/files/road_conditions_i_5_siskiyou_pass.pdf
- https://cdn.shopify.com/s/files/1/0432/9157/4430/files/41208086243.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_off000078cd.bin292af1d0ae8577ef802c65880c482af010026c000bec535ccc6e5840aeb408bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78CD | 5196 bytes |
font_01_sfnt_off00008a63.bin42be385fb2707449f2637d3d51020906587fa753e01359654ba799c0782ed724 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A63 | 10088 bytes |
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