MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO manipulation scheme. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. The embedded content, though heavily obfuscated, suggests the document's purpose is to redirect users to these external links.
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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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://botokaw.ru/wb?keyword=what%20are%20the%20five%20basic%20rules%20of%20basketball PDF link annotation
- https://cdn.sqhk.co/rivotoxupow/fjcif5Z/63283847693.pdfIn PDF document text
- http://drilltech.info/commentaire_compos_les_caprices_de_marianne1r316.pdfIn PDF document text
- http://marketitaly.pro/57644951724hbzka.pdfIn PDF document text
- https://cdn.sqhk.co/baxotonad/hjfsieR/hearts_of_iron_4_guided_missile.pdfIn PDF document text
- http://summerita.fun/kugumatesetuwutamo4ng60.pdfIn PDF document text
- https://xivibexewodexaz.weebly.com/uploads/1/3/1/3/131397964/foxetevufesifik.pdfIn PDF document text
- http://ooovseanalizi.ru/how_do_i_setup_my_linksys_extender_re6400iirr6.pdfIn PDF document text
- https://voxivunesiru.weebly.com/uploads/1/3/1/4/131407918/tekurozebuwevitet.pdfIn PDF document text
- https://dolufuweg.weebly.com/uploads/1/3/4/6/134626051/vunegebexa-nafela-dareragi.pdfIn PDF document text
- https://nozipukox.weebly.com/uploads/1/3/6/0/136057246/2726356.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zusirutovazume.epizy.com/faxudeduranotilakofalowiz.pdfIn PDF document text
- https://ff4d9611-e7ea-45f2-85d3-f0b464ef817f.filesusr.com/ugd/48f461_192d5292042448649f9ab2da5297dd60.pdf?index=trueIn PDF document text
- https://43fe4710-460a-4ad3-90dc-2dd795c51528.filesusr.com/ugd/a32c20_085d85e6ed7248878a1c661a736c09cc.pdf?index=trueIn PDF document text
- https://c3373aeb-ed74-4f2d-b631-fa679e0a3f6f.filesusr.com/ugd/cbe7f7_0fd0d3e38f7446608a244cef31467b86.pdf?index=trueIn PDF document text
- http://legipugubawaw.epizy.com/34868553866.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/436d510d-280e-4766-b5d6-8bd40b78bafd/que_es_enfoque_por_competencias_en_tu_proceso_educativo.pdfIn PDF document text
- https://2c9641c8-5874-4869-9b94-f1378e60aa6b.filesusr.com/ugd/efc1f6_3a34c1b681de493d9eb2e6d2ebfe54eb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/740915e9-39b0-4bc6-9469-6a8e35cb4c26/jivugananegurenevojebina.pdfIn PDF document text
- https://c301b42c-deab-4116-afcd-a09dd0728425.filesusr.com/ugd/4bb894_f7c0a286e3044a379c630ec4452f969c.pdf?index=trueIn PDF document text
- http://zoxutudirufusoj.epizy.com/69767751582.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_off0000e0b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B4 | 5248 bytes |
SHA-256: d62309ec884d4e22a700eed02ded317d35bfe3115d9c7eedbe46ce1a41a83ec1 |
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font_01_sfnt_off0000f295.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF295 | 9864 bytes |
SHA-256: 11cec88544d7f1d2884e822c2cfb86183aca96a0a2192df3ab6abf4348b97111 |
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