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 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://dugedepap.ru/award?keyword=the+source+for+aphasia+therapy+pdf PDF link annotation
- http://tijukilebag.getenjoyment.net/lagisifoxapanuwo.pdfIn PDF document text
- http://pinegobojefo.getenjoyment.net/66276040751.pdfIn PDF document text
- http://bagesopabiwub.scienceontheweb.net/alternative_renewable_energy_sources.pdfIn PDF document text
- http://figejewumoposes.getenjoyment.net/pekidemukixigenusu.pdfIn PDF document text
- http://juwoniki.getenjoyment.net/47853497264.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dowafirowelumex.atwebpages.com/ketibepi.pdfIn PDF document text
- https://6baea7ca-81e4-4a11-8410-716433a99462.filesusr.com/ugd/764aaa_cea7216e0c6242c1852187d398fa0000.pdf?index=trueIn PDF document text
- https://cfc603e6-7cd4-4c42-812b-9722deb80ae4.filesusr.com/ugd/0e9fc2_853b9af2fa034c45b690b61116f61e7f.pdf?index=trueIn PDF document text
- https://c534e673-b245-4a6d-8787-855fe96db707.filesusr.com/ugd/e19215_d73a5fcef5a947b090b7310de4918635.pdf?index=trueIn PDF document text
- https://bc13a564-db4d-4abe-bba9-081b1c4085ef.filesusr.com/ugd/d5ec75_9ed7a6a2516e496aa12efa1d58a6c4ef.pdf?index=trueIn PDF document text
- https://1a447ccf-a6a5-490c-ad31-399ae8169532.filesusr.com/ugd/cf5184_bfa1f86d22bd482cbbaa0ed0358c8e76.pdf?index=trueIn PDF document text
- https://8c4778c4-ed17-4cf1-86f9-5448e21c5c15.filesusr.com/ugd/6da380_5b9242e7203142f7a5e70c2a22aeeb4f.pdf?index=trueIn PDF document text
- http://ralirajuz.atwebpages.com/avril_14th_piano.pdfIn PDF document text
- https://43466d02-873c-4564-b63c-f2f79aa6d38e.filesusr.com/ugd/fd64e8_055a7086f3ed43058e637309da4a28b9.pdf?index=trueIn PDF document text
- http://muvamubas.atwebpages.com/el_anarquismo_frente_al_derecho.pdfIn PDF document text
- https://77a80da1-97a3-4b40-ba11-54c6d232eb66.filesusr.com/ugd/39a0fd_576bec04f19d4d7f88edfbbff309b6e6.pdf?index=trueIn PDF document text
- https://dd67658a-cc17-4e1c-bca5-42bf299a485b.filesusr.com/ugd/07a440_3bf51d5e7d254014b2ae792b0d7304fe.pdf?index=trueIn PDF document text
- https://c6f55193-7475-4343-97dd-33cb3b141b6a.filesusr.com/ugd/808d8c_4f59d0f1264746c9b496239689a6cf63.pdf?index=trueIn PDF document text
- http://nejimafalun.onlinewebshop.net/kitchenaid_mixer_k5ss_repair_manual.pdfIn PDF document text
- https://76c87692-cca9-4651-be8e-de6412dad411.filesusr.com/ugd/fdad67_3787e38e15b64e28ab4b07a49dd3fcd1.pdf?index=trueIn PDF document text
- https://a6668164-4238-4e0d-addb-cc4c62f58fca.filesusr.com/ugd/2dfcca_58a01005e03b42d7ad56cc825e37cfeb.pdf?index=trueIn PDF document text
- http://najexenij.onlinewebshop.net/puditikowuw.pdfIn PDF document text
- http://vubuzixefixa.onlinewebshop.net/88126185382.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_off0000f541.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF541 | 5260 bytes |
SHA-256: 94c569b7fd823e39239eefd0cc21a7003cfbbd477cb6eba3c3f93fb4aefabdc5 |
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font_01_sfnt_off0001072a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1072A | 10776 bytes |
SHA-256: c590ca6fcf0c305a2d6eb18f68d0467356b422687f9bd83553a69bf13530a9ff |
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