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, identified as a link farm. Several heuristics indicate this is a non-clustered link farm on disposable hosting, with a high number of distinct hosts. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution through these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://gimoguvi.ru/award?keyword=lento+regreso+peter+handke+pdf PDF link annotation
- http://newipufisatag.scienceontheweb.net/18792645030.pdfIn PDF document text
- http://fajamad.mypressonline.com/barerijukof.pdfIn PDF document text
- https://cdn.sqhk.co/nenoserod/2jft4ij/balsa_wood_sheets_walmart.pdfIn PDF document text
- http://zabemaladameg.medianewsonline.com/helping_verbs_worksheet_4th_grade.pdfIn PDF document text
- http://myfavoritesun.xyz/voledasiwale71fut.pdfIn PDF document text
- https://cdn.sqhk.co/gofelaxes/ZMshgcm/xajibef.pdfIn PDF document text
- http://baffer-shop.space/63710381997yvrau.pdfIn PDF document text
- http://trokot-tonirovka.online/545877482872fsyu.pdfIn PDF document text
- http://rowowesofazov.medianewsonline.com/fearless_youtube_song_1_hour.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dopovis.myartsonline.com/32332321950.pdfIn PDF document text
- https://78ff948a-0765-49f5-a22c-0fbe0eba7848.filesusr.com/ugd/888d0b_cd79f7f2d8b549b4a873a553f3342bf8.pdf?index=trueIn PDF document text
- https://52a1af19-6946-4c37-aba6-ab00a30e4874.filesusr.com/ugd/5dc3ca_460ddefb470a4f519b9c7a8df65ade98.pdf?index=trueIn PDF document text
- https://52a72965-a6d2-471e-b66a-59a59a4d663b.filesusr.com/ugd/e643da_4c0d248026ef49bcb249f89f7203773d.pdf?index=trueIn PDF document text
- https://c809e8a6-5bdf-489d-8d8c-df4e4638a115.filesusr.com/ugd/45a296_f4a5e98ed3ee4db1a7de971fa76889f9.pdf?index=trueIn PDF document text
- https://d8d691c7-cf48-432b-bece-a54604b57851.filesusr.com/ugd/1e3a4b_e17e7befbdb54e8da56170fb2815fb7a.pdf?index=trueIn PDF document text
- https://2ed9768e-82a7-41f7-bc91-4b86d8d7aa0f.filesusr.com/ugd/bdbd91_73ee2b4bcd134a05a0cd6b4fd977ed5e.pdf?index=trueIn PDF document text
- https://afa032df-bfad-47da-a9c8-c79260182993.filesusr.com/ugd/6f9b04_d125753b0fb046d2acd5f21e10a09837.pdf?index=trueIn PDF document text
- https://d2ffd92d-ad89-4e9b-8359-126286817a3c.filesusr.com/ugd/dd9784_5146b2a814564b7d88a2cf174a7e5f7d.pdf?index=trueIn PDF document text
- https://00c0516a-c822-4344-a779-6f74e039753d.filesusr.com/ugd/9e41f0_beda27ded9364d6da72c1653bfbb8a38.pdf?index=trueIn PDF document text
- https://def05634-b969-4265-beeb-1e7d695e9a44.filesusr.com/ugd/6865ce_0311fc07668f4e2ab5601f106b0ded3e.pdf?index=trueIn PDF document text
- https://9a60fab3-6fb0-4be7-9305-b2e3cc44d963.filesusr.com/ugd/811c4f_74a81c7f5db848b793524696eb144a5d.pdf?index=trueIn PDF document text
- https://cb47f074-0476-4434-b381-5672a365cab8.filesusr.com/ugd/c46c8a_49a799a5a0634bd394a54f86242c629c.pdf?index=trueIn PDF document text
- https://0e627107-309b-4451-a84d-e7064c41fccd.filesusr.com/ugd/04c368_363eb8e2506f4a4e849d76f4172547b5.pdf?index=trueIn 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_off0000d9fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9FC | 5276 bytes |
SHA-256: 6ea196fcbc3aa88ee814963d3b3a9d92974ecc143e58ec662d340d1906917dc1 |
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font_01_sfnt_off0000ebef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBEF | 11624 bytes |
SHA-256: 7b4a297f45b4b21aef68c6d54d2d8bedbaa9d8e6474255dbd6225c8475817c7b |
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