MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, suggests a lure related to a 'medical certificate form'. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy. The ML classifier strongly supports the malicious nature of this PDF.
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=formato+certificado+medico+cdmx+pdf
- http://rudar.universalpatches.net/uploads/1/3/1/6/131607062/bikajeguzimosenipune.pdf
- http://files.nadineaboussouan.com/uploads/1/3/1/4/131438823/1577445.pdf
- http://files.sinyonshuntay.com/uploads/1/3/2/7/132710603/4b7dbe0253.pdf
- http://files.maltipoos.org/uploads/1/3/1/6/131636903/54cf5b5d77.pdf
- https://cdn.shopify.com/s/files/1/0431/5702/9019/files/boxuxalotuvebapiwuxi.pdf
- https://cdn.shopify.com/s/files/1/0438/2723/2918/files/34199889590.pdf
- https://cdn.shopify.com/s/files/1/0432/3128/1312/files/10375212171.pdf
- https://cdn.shopify.com/s/files/1/0437/9725/0210/files/ffxiv_special_characters.pdf
- https://cdn.shopify.com/s/files/1/0430/6845/7122/files/puwuves.pdf
- https://cdn.shopify.com/s/files/1/0440/1207/7206/files/19657706008.pdf
- https://cdn.shopify.com/s/files/1/0428/5582/5567/files/10225267523.pdf
- https://cdn.shopify.com/s/files/1/0430/3260/8921/files/54147105207.pdf
- https://cdn.shopify.com/s/files/1/0440/6280/2070/files/74199122007.pdf
- https://cdn.shopify.com/s/files/1/0430/8421/8521/files/vusonexalewabebavupine.pdf
- https://cdn.shopify.com/s/files/1/0430/5495/6695/files/47974590592.pdf
- https://cdn.shopify.com/s/files/1/0431/3543/4901/files/kevagixodiluvi.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_off00005ae0.binc2f0d1fb7825146deb28654641d7ed01060e1c429e283b65c877ec6a61318097 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AE0 | 5116 bytes |
font_01_sfnt_off00006c37.bin6bea7adca75dab29b88a65fae35e2a6f09563042a0768f69aa6d0c684b12852f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C37 | 10964 bytes |
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