MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous links to disposable domains and redirectors, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded links, such as 'https://yafferge.ru/wix?keyword=hatchet+chapter+questions+pdf', are designed to lead users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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/wix?keyword=hatchet+chapter+questions+pdf In PDF document text
- http://sportplays.ru/33326994035aw3mz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418170/normal_6018616cd626f.pdfIn PDF document text
- http://lnstagramcopyrightservices.org/suvisdnpjt.pdfIn PDF document text
- https://zezonusadife.weebly.com/uploads/1/3/1/4/131410479/fc9719.pdfIn PDF document text
- https://tumipipap.weebly.com/uploads/1/3/4/5/134598024/luruvalipebopobozad.pdfIn PDF document text
- http://oneitstore.pro/47270140086jmqqs.pdfIn PDF document text
- http://bagerisevi.scienceontheweb.net/nys_dmv_drivers_manual_chapter_4.pdfIn PDF document text
- http://argo-tourism.com/swot_analysis_template_internal_externalt5kwi.pdfIn PDF document text
- http://laxana.ru/vizio_e420i-a0_update_firmwarepac7i.pdfIn PDF document text
- http://rubka.space/sibazatohht2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444649/normal_5fd6449d168e9.pdfIn PDF document text
- http://beviluxenumiliv.mywebcommunity.org/tabela_de_integral_e_derivada.pdfIn PDF document text
- http://5coupons.info/54606856789u39p1.pdfIn PDF document text
- http://smartbright.club/fabizebefapgnlc.pdfIn PDF document text
- http://dsv-trening.ru/macbeth_socratic_seminar_questions_and_answersmex6s.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392444/normal_60061d3711e77.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382620/normal_60000edc332a0.pdfIn PDF document text
- https://mabanopovofed.weebly.com/uploads/1/3/1/4/131453130/3b49423977538a.pdfIn PDF document text
- https://koxowugazetumul.weebly.com/uploads/1/3/6/0/136015765/mixowokiwor-relureduniperil.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/xovekolamoxe/75819797837.pdfIn PDF document text
- http://sipanokule.onlinewebshop.net/blackmagic_intensity_pro_capture_card.pdfIn PDF document text
- https://s3.amazonaws.com/perurulexi/enterobacterias_tratamiento.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_off0001396f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1396F | 5296 bytes |
SHA-256: 92a8b052119fbab8e7b2ae6f954b1c7bec1125581fa5c87c1e2b0ed2959aa43e |
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font_01_sfnt_off00014b66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B66 | 10240 bytes |
SHA-256: a3ff8d7186afa47b43c422de3e22dec15c215b1a60a37c49db2dc311352fd3ca |
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