MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains heuristics indicating it's a phishing lure, specifically using an SEO redirector for a 'free-download' scam. The embedded URL, https://golowaki.ru/wix?keyword=trinity+ring+definition, is the primary indicator of this malicious activity. While no scripts were explicitly extracted, the PDF structure and the nature of the URL suggest an attempt to redirect users to a malicious site, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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External URI info PDF_URIPDF contains an external URL action
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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://golowaki.ru/wix?keyword=trinity+ring+definition PDF link annotation
- https://static.s123-cdn-static.com/uploads/4462379/normal_5fc7650a3afc0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450250/normal_6018d03eebfc9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465012/normal_5fd67dfedf349.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370317/normal_604564a05f29e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445733/normal_5fc9158610823.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473359/normal_60318fab6ad23.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465250/normal_5ffa3da3b61a1.pdfIn PDF document text
- http://fefikaniki.22web.org/insert_calendar_in_excel_spreadsheet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446035/normal_602d84c24c111.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4527164/normal_6028300d508b6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/9530771c-9db0-49e1-b1c9-566226e5ca2d/what_is_nature_of_organisational_behaviour.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82a43021-ba40-4807-9867-bb1b952ec601/83319920179.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ef84f79-10aa-4e17-a760-66b504aca975/12336053066.pdfIn PDF document text
- https://s3.amazonaws.com/memobofilenabon/zamumizufoxudupur.pdfIn PDF document text
- http://pogelejulogowev.rf.gd/what_religion_studies_the_quran.pdfIn PDF document text
- https://s3.amazonaws.com/rorives/unhide_worksheet_in_excel_with_password.pdfIn PDF document text
- https://s3.amazonaws.com/retisovojor/kawudupudasumugomom.pdfIn PDF document text
- https://s3.amazonaws.com/zowejunef/51365581581.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010bb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BB9 | 4492 bytes |
SHA-256: b2a31c14dded66f0ac339f507662ff2f3d097d987dd178fa3d37eec0bb00ef4e |
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font_01_sfnt_off00011b0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B0B | 11508 bytes |
SHA-256: 11420c2ae36bdc998a2a0db28bddfcb930427fd1ab21f350164a6c01f7b2af9c |
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font_02_sfnt_off00014230.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14230 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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