MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one critical heuristic identifying it as a malicious redirector pointing to 'https://yafferge.ru/strik?utm_term=asus+rt-ac68u+router+reset'. The document body, though heavily obfuscated, appears to contain keywords related to router resets, suggesting a lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
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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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/strik?utm_term=asus+rt-ac68u+router+reset In PDF document text
- https://cdn-cms.f-static.net/uploads/4481053/normal_5fd5f27d74f3e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379384/normal_5ff659ab2c048.pdfIn PDF document text
- http://tuzogat.sportsontheweb.net/blender_2._78_tutorial_for_beginners.pdfIn PDF document text
- http://carinsusa.info/spectrum_math_workbook_grade_8_free92cvz.pdfIn PDF document text
- http://psychologyrelax.xyz/mawibofolifejebitubotoe48ds.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383923/normal_5feba4637a693.pdfIn PDF document text
- http://kernig.store/tobawugoberivuxebu01nz8.pdfIn PDF document text
- http://repair-planshetov.ru/raruferamurolunavuzawuvws7d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464532/normal_5fe317b063b4c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496812/normal_6043da653dacb.pdfIn PDF document text
- https://cdn.sqhk.co/bidogefapo/9Bigigq/barber_shop_simulator_3d_mod_apk_unlimited_money.pdfIn PDF document text
- http://rilomenininun.getenjoyment.net/cables_and_wires_nptel.pdfIn PDF document text
- https://cdn.sqhk.co/lasumalena/iiNyhhH/98561318498.pdfIn PDF document text
- http://dikoxikikalonib.scienceontheweb.net/vedijunafilikag.pdfIn PDF document text
- http://tohld.in/george_foreman_jr_rotisserie_parts0793q.pdfIn PDF document text
- https://cdn.sqhk.co/femokuxajuz/jhm3ifl/nejitixedukug.pdfIn PDF document text
- https://cdn.sqhk.co/kewukapugino/1ggnytP/wojagetejerazewizoxubepop.pdfIn PDF document text
- http://natbeach.space/ssc_mcq_answer_sheetbelwj.pdfIn PDF document text
- http://jakiduve.scienceontheweb.net/19834429253.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/be2f8feb-bb61-4ebc-813b-798d1a86754f/miwatomu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f0afd788-5de3-49eb-a70f-3b6757aac8bc/ti-83_plus_calculator_online_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/caf63afc-9ca6-4be4-86cc-7726051692ce/bobitonapukefovivubuf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/35dd53f9-96e1-4354-a33f-14e75ba056b3/samsung_grand_prime_frp_unlock.pdfIn PDF document text
- http://ziwemasux.myartsonline.com/29780483525.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_off0000f207.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF207 | 5128 bytes |
SHA-256: 424305459ed6459ead7558a4acc00c07796ddda8b81c7d9a13b1987e961f6311 |
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font_01_sfnt_off00010389.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10389 | 10792 bytes |
SHA-256: a0843da5bf513b1ff62c5723787ccabbf2b07a16048bc501671c0705f8494a62 |
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