MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a significant number of external links, identified as a 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM'. The primary purpose appears to be directing users to a network of websites, indicated by URLs like 'fokemale.ru' and 'fruit-italy.space', which host numerous PDF files. This behavior is consistent with SEO manipulation or serving as a distribution point for other malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://fokemale.ru/strik?utm_term=sql+for+dummies+2020+pdf+2019 PDF link annotation
- http://fruit-italy.space/kenmore_smartwash_dishwasher_wont_drainua5e5.pdfIn PDF document text
- http://finansi-7.online/motolaxisidavek4c9aw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381738/normal_6021a81736217.pdfIn PDF document text
- https://duvetuxivana.weebly.com/uploads/1/3/3/9/133999993/bosuz.pdfIn PDF document text
- http://zelafagilu.iblogger.org/cartina_stradale_basilicata.pdfIn PDF document text
- http://affilateapp.online/how_to_become_an_apprentice_welder_in_albertat1z1m.pdfIn PDF document text
- http://1ux.site/bharathiar_university_ug_books_download7bnvu.pdfIn PDF document text
- https://xunowarusaki.weebly.com/uploads/1/3/4/3/134371630/7500051.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502336/normal_601f11c486991.pdfIn PDF document text
- http://d2-club.ru/aimesh_ac1750_wifi_system_rt-ac66u_b1_2_packoy757.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369646/normal_60348b4ade348.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://4253c66a-660d-4c83-b31d-f715833d547b.filesusr.com/ugd/d9e9a0_dbc27d076b1a4f76b24c18788ae97e22.pdf?index=trueIn PDF document text
- https://e8dc5420-792a-4861-90db-09cfc8d8a7d1.filesusr.com/ugd/1378f5_084a4c046a96465ea9fbf265f3d00035.pdf?index=trueIn PDF document text
- https://466f9527-ada3-48b4-ac0c-4ba5546996ca.filesusr.com/ugd/a4b6b9_b89b4750a8654da68e4a551b9ac78361.pdf?index=trueIn PDF document text
- https://46c0acaa-de7d-4f46-84f0-c2cf1d8ff7d9.filesusr.com/ugd/ac1638_62c813f5598b493cad4ad4d47a7d55df.pdf?index=trueIn PDF document text
- https://711a90e7-97f2-4eab-8690-3003ec1e9b64.filesusr.com/ugd/a0905b_5828443505184ac0a432b38c04beb494.pdf?index=trueIn PDF document text
- https://3176e400-c268-4dc0-8d69-08eae86937f8.filesusr.com/ugd/ea2f88_032df54af44046b2a0e67d0ebee2abc0.pdf?index=trueIn PDF document text
- http://bibuligo.epizy.com/32470554579.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000119f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119F8 | 5384 bytes |
SHA-256: 3c0e42c2fdb4b560460c6d2e5aa93804c859e82bee38c228b1fdc99ab5bb5c81 |
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font_01_sfnt_off00012c41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C41 | 11536 bytes |
SHA-256: 40c09bdbbf2cbce90c3b2e7ec5ae15004c5b91c123a9af56a1a4ccd61a5fb383 |
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font_02_sfnt_off0001539a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1539A | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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