MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a malicious redirector URL, disguised as a search result for an academic encyclopedia. The ML classifier strongly indicated maliciousness. The primary malicious URL is https://ttraff.ru/pify?keyword=brill+new+pauly+encyclopaedia+of+the+ancient+world+pdf, which likely serves as a gateway to further malicious content.
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=brill+new+pauly+encyclopaedia+of+the+ancient+world+pdf
- http://torikab.magichoskins.com/uploads/1/3/2/8/132814930/gukokudifazeza-raladeg.pdf
- http://ponum.ilanschraer.com/uploads/1/3/1/4/131453133/4594044.pdf
- http://tofimus.pragmaticinstructionaldesign.com/uploads/1/3/1/1/131164250/puraxiwazod.pdf
- http://files.vbfinearts.net/uploads/1/3/1/4/131406082/8bf3d7172af.pdf
- https://cdn.shopify.com/s/files/1/0436/1856/6306/files/pefogasoximitekip.pdf
- https://cdn.shopify.com/s/files/1/0431/4556/0219/files/wurebinixinakerur.pdf
- https://cdn.shopify.com/s/files/1/0430/1019/5605/files/marshall_method_of_bituminous_mix_design.pdf
- https://cdn.shopify.com/s/files/1/0437/4305/1937/files/34706186816.pdf
- https://cdn.shopify.com/s/files/1/0439/2642/1672/files/sufujujus.pdf
- https://cdn.shopify.com/s/files/1/0430/9070/6599/files/fubasomotosagij.pdf
- https://cdn.shopify.com/s/files/1/0428/2168/1315/files/tudiwamu.pdf
- https://cdn.shopify.com/s/files/1/0432/3305/0779/files/75052208957.pdf
- https://cdn.shopify.com/s/files/1/0430/0845/8905/files/kuboxejasenolajadonaduvol.pdf
- https://cdn.shopify.com/s/files/1/0432/5661/0976/files/pinizegatuvujofezuluz.pdf
- https://cdn.shopify.com/s/files/1/0430/1117/8649/files/biochemistry_proteins_notes.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_off00009f1d.bin9a7836ab759fe96c1c1aa63b15a9730279822a2e6bcb4bfd8591bb8dcd447b29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F1D | 5308 bytes |
font_01_sfnt_off0000b141.bin6bc06dc773b46e4dc6f0a01dfeb90afbbe4a96806beaea6bde9597acd0f61dd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB141 | 15104 bytes |
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