MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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://kuzutuzo.ru/123?utm_term=good+night+image++telugu PDF link annotation
- https://cdn-cms.f-static.net/uploads/4377391/normal_602f573968399.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391308/normal_601da38640c1c.pdfIn PDF document text
- http://gamowenugeg.sportsontheweb.net/auditoria_fiscal_e_tributria.pdfIn PDF document text
- http://lozuzaragujeb.mypressonline.com/how_to_crochet_a_square_in_round.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://uploads.strikinglycdn.com/files/91448854-2bd3-48eb-b01b-dedffdf7cd89/badagapik.pdfIn PDF document text
- https://a22c3535-4c29-4f26-bf6b-1e631d3648e5.filesusr.com/ugd/28986c_a6ccec5bd5574a93bca8578b9168e6ff.pdf?index=trueIn PDF document text
- https://09ec9d85-9312-4337-94d0-b84080e05f2e.filesusr.com/ugd/ac0094_6764cb1f765c4727bcc3d448dab2cddc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/41f42d03-e495-4988-9dce-739bb6f5e019/vafijusaxovizuvoziropape.pdfIn PDF document text
- https://7a1f2a0d-094a-4466-88af-72a4af93b9fa.filesusr.com/ugd/22739b_e1a5eca5a52e4bda98b19154bc6b6f8b.pdf?index=trueIn PDF document text
- https://75e6061f-eb7a-4ce8-b546-077bf96366c3.filesusr.com/ugd/2dfd19_975daba32c91494bb4e9541627946c22.pdf?index=trueIn PDF document text
- https://878ee1be-828d-48b9-a24a-84283cf66a1c.filesusr.com/ugd/86936c_66251144be304bdaadbed73507372e50.pdf?index=trueIn PDF document text
- https://d99c26cc-8c68-456d-a039-1a26994c8d26.filesusr.com/ugd/105a8c_2ad7242506c34051a5e3d1042e9deb12.pdf?index=trueIn PDF document text
- https://00eaa6b3-f026-4720-b00f-fafb40066352.filesusr.com/ugd/d498be_58703394d8fc44549949a46111fb0097.pdf?index=trueIn PDF document text
- https://f7cac2f2-528f-490f-9bef-cb2448a877de.filesusr.com/ugd/529ba0_16b57099a1e04894bf6ead6905238c6c.pdf?index=trueIn PDF document text
- http://wufikemofumop.atwebpages.com/jajuwubutunifarufinirulif.pdfIn PDF document text
- https://d5fd0048-bb8d-45a1-ba21-28d1cb0b7162.filesusr.com/ugd/5e8de6_1fc902785bff49eb8f1f569cebbc0d9a.pdf?index=trueIn PDF document text
- https://b4140449-9b96-4148-8619-c9b3eed7b48c.filesusr.com/ugd/c33cdb_da40519055e44c7d9b7a81bd4ed6ab0a.pdf?index=trueIn PDF document text
- https://be9c8297-50e9-4ec8-be22-7cc4068ef96a.filesusr.com/ugd/fc3b0b_529ee64e242745d196985621f5b11ceb.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f250.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF250 | 4996 bytes |
SHA-256: ef2bc4910d338626c79453340950bab2019da8d024eefc0921c3669f4faf562c |
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font_01_sfnt_off00010329.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10329 | 38580 bytes |
SHA-256: 0cb67c5e79f688c9dfd3119d1c15b8e3d80b143fecf3223e3edfcb354ad62dd0 |
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font_02_sfnt_off0001508e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1508E | 10680 bytes |
SHA-256: abc90677aac6735e7d7a7fcb144dbe061ffebe3e4601ea4c3ec3027a71cfab2e |
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