MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of external links, many of which point to disposable hosting and redirectors, indicating a link farm designed to obscure malicious destinations. One critical heuristic identified a link to known malicious redirector infrastructure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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 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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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://dafemum.ru/strik?utm_term=robin+hood+movie+1991+castle In PDF document text
- https://toroborelap.weebly.com/uploads/1/3/4/8/134867907/dc07d2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415748/normal_602cb2fc70ace.pdfIn PDF document text
- https://zetozegazironik.weebly.com/uploads/1/3/2/6/132696155/jixizun.pdfIn PDF document text
- https://lokanasa.weebly.com/uploads/1/3/5/2/135299929/c88e6da54235.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496597/normal_5fc7b8ec59500.pdfIn PDF document text
- http://bitjoms.xyz/smart_ups_1500_battery_replacement_rack_mountibvkx.pdfIn PDF document text
- https://bokirises.weebly.com/uploads/1/3/1/6/131607331/2111639.pdfIn PDF document text
- https://gutoxokotuvil.weebly.com/uploads/1/3/1/3/131380594/633707.pdfIn PDF document text
- https://pedesidava.weebly.com/uploads/1/3/4/3/134355179/60f49ba4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411219/normal_5ff9a44e2c31b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4500667/normal_5fe428e4af41a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367667/normal_60469a15dc9c9.pdfIn PDF document text
- https://kazenatujexisof.weebly.com/uploads/1/3/1/6/131637291/sikulotoge-sifamapuw-jaxejerebadofe-badisakazopup.pdfIn PDF document text
- https://maselevajaf.weebly.com/uploads/1/3/1/3/131398143/nigebevevala-basukuxifexi-gaponunusaxajew-fitubilurigena.pdfIn PDF document text
- http://chtotakoebezuz.biz/gary_vaynerchuk_jets_owner5s4hh.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387243/normal_601933466f752.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/02c4d5e2-c6b6-4e01-8e3c-b9d39a15cde3/honeywell_wireless_mp3_doorbell_chime_and_button.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0f88e3b9-83be-4583-9957-3e567fabd471/pendragon_book_1_online_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4ce1448-79fa-4317-bc16-679e42c151ba/zurirupugofezewazefisofu.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_off00011de0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DE0 | 5496 bytes |
SHA-256: 51d1c4deca31eb998d52d34849a786129648a21eda3b9e0b11d8cc4b95ec9922 |
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font_01_sfnt_off00013074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13074 | 11616 bytes |
SHA-256: d9ce67e9142e65c1cada566e49c4d16c99efd0077a3f2216870f94db2b6cf798 |
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