MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links to external resources, with one identified as a malicious redirector. The document body, though partially corrupted, includes the URL 'https://ttraff.cc/pify?keyword=characterization+of+nanoparticles+intended+for+drug+delivery+pdf', suggesting a lure to a malicious site. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of links, likely for SEO manipulation or to obscure malicious destinations. 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.cc/pify?keyword=characterization+of+nanoparticles+intended+for+drug+delivery+pdf
- http://files.robertrosell.com/uploads/1/3/0/7/130774990/wokajarux.pdf
- http://files.fernwehfeels.com/uploads/1/3/0/8/130874102/jijelimixu-ziburaviwiju.pdf
- http://files.saltydogtactical.com/uploads/1/3/1/8/131871605/76734089d599633.pdf
- http://files.pacificcountyyouth.org/uploads/1/3/1/4/131438323/860604.pdf
- https://cdn.shopify.com/s/files/1/0434/6114/8837/files/90599217535.pdf
- https://cdn.shopify.com/s/files/1/0440/9176/8984/files/coyote_ugly_songs.pdf
- https://cdn.shopify.com/s/files/1/0427/9212/4572/files/vusurokilajex.pdf
- https://cdn.shopify.com/s/files/1/0430/0577/1929/files/93476511589.pdf
- https://cdn.shopify.com/s/files/1/0436/2865/8848/files/dedidano.pdf
- https://cdn.shopify.com/s/files/1/0432/8043/3302/files/xray_ultimate_texture_pack.pdf
- https://cdn.shopify.com/s/files/1/0430/4925/5061/files/49640526481.pdf
- https://cdn.shopify.com/s/files/1/0429/8768/4003/files/rasuzelexodibujobobifel.pdf
- https://cdn.shopify.com/s/files/1/0429/2768/5799/files/komababuwanitifi.pdf
- https://cdn.shopify.com/s/files/1/0433/1785/4373/files/92839950432.pdf
- https://cdn.shopify.com/s/files/1/0430/3729/4754/files/12585224921.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_off00005264.bin735be052a4a6e1437748079f9280253ba0c768d6abded3b535d2b482ef5aa57f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5264 | 5536 bytes |
font_01_sfnt_off00006546.bin7ed88336fe6fb0b92ec75915903e05425027514706f5f7d6007079f4fb0a23c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6546 | 9852 bytes |
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