MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.me/wix?keyword=episode+gems+apk'. This URL is presented within the document body, disguised as a download for 'episode gems apk'. The presence of numerous other external links, many pointing to benign content hosting sites, suggests a link farm or SEO poisoning tactic to obscure the malicious destination. The ML classifier also 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.me/wix?keyword=episode+gems+apk
- http://files.theolneygroup.org/uploads/1/3/1/4/131407890/goroke_vumenozune_xuredotaxoj_taxopir.pdf
- http://nejodev.shadecreekwatershed.org/uploads/1/3/2/7/132740480/zagumusebawupudake.pdf
- https://ab4e9453-fcd2-490a-bfdd-1d50cac65de3.filesusr.com/ugd/7198c1_cae81cb62a3c4b6b9c220ea42471a6a2.pdf?index=true
- https://4df6307f-ec0b-4809-b712-a5a602a93662.filesusr.com/ugd/4fb05f_0e30fc4f686d43d0ac6e678d43b55da2.pdf?index=true
- https://dcf39d67-7511-4a34-81b2-fd36b781c2da.filesusr.com/ugd/1cc777_cfc039c139654439a45887b3c7b36393.pdf?index=true
- https://cdn.shopify.com/s/files/1/0428/2669/4822/files/tirakakakezizanu.pdf
- https://cdn.shopify.com/s/files/1/0438/0724/4450/files/tumidolov.pdf
- https://cdn.shopify.com/s/files/1/0431/4926/3004/files/editable_calendar_template_microsoft_word.pdf
- https://cdn.shopify.com/s/files/1/0431/8583/2096/files/vemeviw.pdf
- https://cdn.shopify.com/s/files/1/0431/7754/1792/files/bangalakshmi_teesta_lottery_result.pdf
- https://cdn.shopify.com/s/files/1/0440/7685/9557/files/breathing_exercise_during_labour.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_off00005e30.bin859ff3a7f332c951edfc27711e2dbea4e0fe4dae96061b8b5818ecee388e0f9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E30 | 5172 bytes |
font_01_sfnt_off00006fba.bin93f6703c00d8ca8a0e45ba7989c4b64e000b04441c0435f5b335a18e8611d9e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FBA | 10292 bytes |
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