MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that point to a known malicious redirector infrastructure, specifically designed to lure users with terms like 'gtrac login army'. This indicates a phishing attempt, likely delivered as an attachment. The ML classifier strongly supports the malicious verdict, and the redirector URL is a primary indicator of compromise.
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://cctraff.ru/aws?keyword=gtrac+login+army In PDF document text
- https://tunimesepet.weebly.com/uploads/1/3/1/4/131455680/e4f9439fd5b50c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366959/normal_5f930937a968a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382429/normal_5f96f7e54c90a.pdfIn PDF document text
- https://gujojiri.weebly.com/uploads/1/3/4/4/134434224/bedokupet-folekawaxixij.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408987/normal_5f9fa9833b61d.pdfIn PDF document text
- http://www.gcss-army-portal-access.com/tag/gcss-army-loIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/dojonuta/sizetitoloxovozobobaponer.pdfIn PDF document text
- https://s3.amazonaws.com/felasorarabipis/app_to_convert_to_word_docx.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ba813eb-0e70-4642-af42-640184a5c896/34837744073.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ac339025-389d-4d9a-b1c4-8dd50dfdec6d/realidades_3_workbook_answers_page_51.pdfIn PDF document text
- https://s3.amazonaws.com/henghuili-files2/nubokuji.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/061e9904-d3cb-4dae-a988-fa825a6ed6fa/mejexiwesusewemopumas.pdfIn PDF document text
- https://s3.amazonaws.com/nademopor/pisofedavavulizumajejux.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f1c37205-1c18-4d37-8207-bab7c927cec8/sawofoj.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_off00003ec9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3EC9 | 5072 bytes |
SHA-256: a0703d64292b54b9d94029abcd2edcc10e529d7f44fdd602200155521f17ee23 |
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font_01_sfnt_off00004ffd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FFD | 8964 bytes |
SHA-256: ef58348f2c23f9912b8a2c344a3d5182bf98719dbf45ef3bfe2f1bde9138971f |
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