MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains multiple external URIs, including one that appears to be a redirector with UTM parameters, suggesting an attempt to direct users to a malicious site under the guise of a firmware update. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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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://leonvi.ru/strik?utm_term=verizon+fios+quantum+gateway+firmware+update PDF link annotation
- http://begimewabifax.getenjoyment.net/21872678306.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393362/normal_603351b27ba17.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501965/normal_5fc67ac82ed7a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379732/normal_5fd60d4574bbf.pdfIn PDF document text
- http://matemepujibad.scienceontheweb.net/nomenclature_of_benzene_compounds.pdfIn PDF document text
- http://niwizonoleror.mywebcommunity.org/assembly_language_programming_8085_tutorial.pdfIn PDF document text
- http://janorewaxeno.mygamesonline.org/buchungsstze_verstehen.pdfIn PDF document text
- http://jojidasusesot.sportsontheweb.net/electronics_books_in_hindi_free_download.pdfIn PDF document text
- http://rasudilikid.mywebcommunity.org/the_magic_school_bus_chapter_books_set.pdfIn PDF document text
- http://kafidovomiguvo.mywebcommunity.org/44868512283.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368501/normal_5ffefa74a49a5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/66608230-e483-4d79-a954-04316ceb443b/61330185830.pdfIn PDF document text
- https://s3.amazonaws.com/widuxade/zakakedutixivapivobelato.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7426f578-942c-4190-a108-ba320e0559d4/english_to_bengali_converter_software_free_download_for_pc.pdfIn PDF document text
- https://s3.amazonaws.com/vidadaviwal/96109971676.pdfIn PDF document text
- http://jewofeket.onlinewebshop.net/bartok_mikrokosmos_6.pdfIn PDF document text
- https://cad90261-f038-4e8a-b384-2e0e37e6cb8c.filesusr.com/ugd/4c4e45_907e0121d7284bfd97042624a1dad863.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vuzotisenixava/56930911605.pdfIn PDF document text
- https://s3.amazonaws.com/nijosinizo/bleacher_report_epl_week_21_predictions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3c52bf8f-f9f7-45a2-9dff-0e2ed66f3293/nijudibepal.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b77402fd-70c8-41bc-86bc-56dec5e67f5d/91691531899.pdfIn PDF document text
- https://ed21222e-fee3-4fab-8b52-e2ddb7bb35ab.filesusr.com/ugd/e73fea_aba1d0c594e547349164103805e2645a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/483d21c5-c500-44d0-af07-33a933f089be/situmijavo.pdfIn PDF document text
- https://26f2e344-8444-46ea-90c9-5a893bcc2fb3.filesusr.com/ugd/b8c837_7c03ea5ef7cc44609d0b92b61137d295.pdf?index=trueIn 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_off0000f1ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1CA | 5664 bytes |
SHA-256: b1f25ed9bb90ae39cd1082441b1c2acc2a4fcc98d377e75c7511a89538a93a56 |
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font_01_sfnt_off00010527.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10527 | 12320 bytes |
SHA-256: 9fce71c85678b8a768046357d42fd9dbfbda581e830d9180920775b661569584 |
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