MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to disposable domains or known malicious redirectors. The primary malicious URL identified is 'https://traffmen.ru/123?keyword=terraria+apk+and+obb+mediafire', which is flagged as a malicious redirector. The document's structure and content suggest it is designed to lure users into clicking these links, potentially leading to malware downloads or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://traffmen.ru/123?keyword=terraria+apk+and+obb+mediafire In PDF document text
- https://cdn-cms.f-static.net/uploads/4450251/normal_5fa4bdd7cf99c.pdfIn PDF document text
- https://kiriwalukejogof.weebly.com/uploads/1/3/4/3/134310578/b9a6486d5c.pdfIn PDF document text
- https://dujolisinapujis.weebly.com/uploads/1/3/4/3/134328324/925383.pdfIn PDF document text
- https://mojenosude.weebly.com/uploads/1/3/1/3/131382274/1154161.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://lirudugam.files.wordpress.com/2020/11/cognitive_development_worksheets_for_preschoolers.pdfIn PDF document text
- https://jobebapadi.files.wordpress.com/2020/11/ayyappan_remix_songs_masstamilan.pdfIn PDF document text
- https://s3.amazonaws.com/wulagisi/bmw_e30_manual_pedal_set.pdfIn PDF document text
- https://kututel.files.wordpress.com/2020/11/gotewogefipufedula.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008dcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DCB | 5132 bytes |
SHA-256: 04729040c05c1df56f47e5e1cd32c18eb57ef729dd3c6d8c54f67f7d6c355296 |
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font_01_sfnt_off00009f26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F26 | 11148 bytes |
SHA-256: bf7e20b3a95ad5b991a8bd48b90af1fc8d4608489d13724f7ec2702e60265999 |
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