MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as a utility for PDF editing, with the primary malicious link being https://ttraff.ru/pify?keyword=best+pdf+reader+and+editor+for+linux. This heuristic firing indicates the document's intent is to redirect users to malicious infrastructure. 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=best+pdf+reader+and+editor+for+linux
- http://files.knotperfecthandmadefurniture.com/uploads/1/3/0/9/130969452/5713374.pdf
- http://wasukusu.mxchronicles.com/uploads/1/3/1/8/131871674/8623265.pdf
- http://sajiwuluk.cashfromtreasures.com/uploads/1/3/2/6/132696030/6543197.pdf
- http://files.flower-junction.com/uploads/1/3/0/8/130874627/cd843709e.pdf
- https://cdn.shopify.com/s/files/1/0434/5089/2440/files/rinukiravabipawulipeleme.pdf
- https://cdn.shopify.com/s/files/1/0429/2732/5343/files/roxelona.pdf
- https://cdn.shopify.com/s/files/1/0432/1381/5966/files/50469012406.pdf
- https://cdn.shopify.com/s/files/1/0430/9850/5369/files/59725831126.pdf
- https://cdn.shopify.com/s/files/1/0429/0890/9734/files/vofofewudobixatem.pdf
- https://cdn.shopify.com/s/files/1/0431/1908/3677/files/63569118395.pdf
- https://cdn.shopify.com/s/files/1/0431/4388/9058/files/beturidabexezutibonuwulin.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mowelikuzamutaj.pdf
- https://cdn.shopify.com/s/files/1/0431/1253/0081/files/muzuzezebi.pdf
- https://cdn.shopify.com/s/files/1/0427/7328/2983/files/baxalivorixederisojavulal.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_off00006895.bin9c2f62dc254dfb00768fb919ae839c0ed1d89583410e69df5c44cc3734eeaa67 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6895 | 5152 bytes |
font_01_sfnt_off00007a35.binfb88c3cedfbaca5c7b13719b0e38c4aad9dfcde2493e784bbf18d2cd79ca98fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A35 | 10344 bytes |
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