MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO poisoning attempt. The document body, though heavily obfuscated, suggests a lure related to updating a Vizio TV. The presence of PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics, along with ML and ClamAV detections, strongly suggests malicious intent, likely to redirect users to phishing or malware sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://mezovuduw.ru/aws?utm_term=how+to+update+vizio+tv+e43-c2 PDF link annotation
- https://zujefimobob.weebly.com/uploads/1/3/1/4/131453463/c7059e7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381964/normal_603d3d77ebf89.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425723/normal_600f18d0c82c9.pdfIn PDF document text
- http://resufomuvojos.22web.org/simple_html_registration_form_template.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374851/normal_5fe9095476cdb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468831/normal_601e06de1d339.pdfIn PDF document text
- https://jarowuvuvam.weebly.com/uploads/1/3/4/6/134614172/6209531.pdfIn PDF document text
- http://pixubak.iblogger.org/carothers_performance_knives_edc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://naperopumo.rf.gd/sennheiser_ew_100_g2_manual.pdfIn PDF document text
- http://wawopuviginase.epizy.com/67287666413.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/387a96bf-5073-4644-b9be-dadf0f5e4fcb/tozara.pdfIn PDF document text
- http://gijomifede.rf.gd/misosaxexevesediraj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8b4545d6-0e80-4d0b-baa9-e093fdf6fb66/tuzegegefizos.pdfIn PDF document text
- http://dedufaga.rf.gd/calfresh_eligibility_status_report.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/433bd692-0d2f-4e77-98b2-8a7d1b8dab51/pokmon_sword_and_shield_strategy_guide.pdfIn PDF document text
- http://rodujuvutadaxam.epizy.com/picsart_premium_mod_apk_2019.pdfIn PDF document text
- http://sasilefup.rf.gd/73863931053.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a5672264-38e0-47ea-a43e-cc7acb2dedae/60018474817.pdfIn PDF document text
- http://bupomejov.epizy.com/1_decimetro_cuantos_centimetros_son.pdfIn PDF document text
- http://dowisakivu.epizy.com/momupofigiforerupiradaki.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/de7c4de0-8d7e-4377-bb6d-a59a56601a06/linalunujabisoburureros.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1029b11a-627b-445c-9016-8bc2a7f38305/what_is_the_best_psychology_books.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_off0000eee4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE4 | 5340 bytes |
SHA-256: 5f0c39b104d9e8f8c07298229faa248f1882f0d194c3408ab3e21e8a8d7dd875 |
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font_01_sfnt_off0001015a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1015A | 10720 bytes |
SHA-256: a29053d783ffc9af6e9b311f6694764941baa784341c72b1f0f5eaf719e2fb91 |
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