MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to a link farm hosted on disposable infrastructure, as indicated by the 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The ML classifier also strongly flagged this PDF as malicious. The primary purpose appears to be directing users to further malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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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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 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://yafferge.ru/award?keyword=libro+de+los+acuerdos+de+paz+en+guatemala+pdf In PDF document text
- https://cdn.sqhk.co/nukusigemug/jihc5f0/blacksmith_forge_game.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4386834/normal_600106704b964.pdfIn PDF document text
- http://docita.fun/18999405247brtwq.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476751/normal_5fdf8759cbbc1.pdfIn PDF document text
- https://cdn.sqhk.co/midipijikami/iibifZJ/big_outdoor_light_up_wreath.pdfIn PDF document text
- https://cdn.sqhk.co/fovulifavu/ebGjaw7/water_slide_hotels_in_palm_springs.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496602/normal_5ff060f616be7.pdfIn PDF document text
- http://zdorovienashevse.xyz/how_to_write_a_macro_in_excel_office_3651tvyc.pdfIn PDF document text
- http://fetidasobi.iblogger.org/keladavekakok.pdfIn PDF document text
- https://cdn.sqhk.co/satofapo/apjfjis/dajosimojobunok.pdfIn PDF document text
- https://cdn.sqhk.co/wivodojeg/fiighbk/rigigetobemewaxow.pdfIn PDF document text
- http://center-san.ru/gekawftcsa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4405654/normal_5febb3bc85faf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388067/normal_60110b655fba9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://numapev.rf.gd/dakoli.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3cf28ba0-ed90-4628-9471-e72d1ee7fc6d/aprendizaje_basado_en_proyectos_ejemplos_biologa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d1caa229-c9b8-4900-88ab-19d2cb45e982/90474809607.pdfIn PDF document text
- https://c03439ef-6557-4199-865e-586791a52b6c.filesusr.com/ugd/6bb4a2_506d5c6765f7438c849fc742c65d8297.pdf?index=trueIn PDF document text
- https://590703a0-be71-4d3c-a49f-17767d5969ef.filesusr.com/ugd/656c20_5eac84da57fd407dacb7424582545563.pdf?index=trueIn PDF document text
- http://voferumupisefag.rf.gd/brother_vx_1120_how_to_wind_bobbin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/184cb4ef-6758-4c1d-bb96-ec73905e0cea/how_to_crochet_socks_with_pictures.pdfIn PDF document text
- http://juvojifexuf.epizy.com/esquema_corporal_segun_autores.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88af4eb1-a8d7-452b-bfff-b0b5be2988ed/kifox.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_off00012c11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C11 | 5608 bytes |
SHA-256: 78c981540c1d38e4760e827dd376cb08806165e9f63748515e56cd3ed9ae743d |
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font_01_sfnt_off00013f16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F16 | 11768 bytes |
SHA-256: 2bb32582b567096cd80449e78350f45f32896f3244edc5e5e8394e6346d666ec |
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