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 0.9991
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/award?keyword=ielts+answer+sheet+reading+pdf PDF link annotation
- http://gtomishebs.xyz/nielsen_year_end_music_report_2018sj1m6.pdfIn PDF document text
- https://gusumadanu.weebly.com/uploads/1/3/2/6/132695601/dijiwexarod.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457311/normal_5fe695f24b01f.pdfIn PDF document text
- http://xtina.online/countless_or_open_scenes_for_theatreutw8a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454289/normal_5fe21473d8d66.pdfIn PDF document text
- http://aycotoro0.xyz/417309705ah2vp.pdfIn PDF document text
- http://zugawumaz.22web.org/delta_miter_saw_dust_collector.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403540/normal_60071d5aad441.pdfIn PDF document text
- http://vizionsmc.net/super_car_racing_multiplayer_hackje15p.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413242/normal_604d1fa1dc0fd.pdfIn PDF document text
- https://jazafojof.weebly.com/uploads/1/3/4/3/134310209/mufegerakajaneke.pdfIn PDF document text
- https://zodemabu.weebly.com/uploads/1/3/4/8/134896511/gorarara_bomasir_rakomijos_bulufawusibava.pdfIn PDF document text
- http://richmaya.site/meals_on_wheels_nyc_menuxqvl9.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://2e8e3215-33bf-4fe1-bc67-b38dac560527.filesusr.com/ugd/269bb8_b55083eea8984e0f9906cb657189ca93.pdf?index=trueIn PDF document text
- https://85fc0914-20e3-4f1c-be8c-de7e6f89f47e.filesusr.com/ugd/a44510_f4784885256d4f2699a2c16b5ac759ea.pdf?index=trueIn PDF document text
- http://povazidiv.epizy.com/nejubidebafixipajujemigu.pdfIn PDF document text
- https://e97408dc-4b05-4e3b-9f19-f4127feb49ef.filesusr.com/ugd/a42eed_b1905f041a2641e2b7fe6aea2d221145.pdf?index=trueIn PDF document text
- http://kivabidugitu.rf.gd/how_to_open_outlook_in_safe_mode_from_command_prompt.pdfIn PDF document text
- https://8dfdba76-182f-4dc4-9dda-37a8c8d09dc9.filesusr.com/ugd/4ae4db_2771a3be2d9c4583a71032efd3920f27.pdf?index=trueIn PDF document text
- http://giduwenodi.epizy.com/86725299811.pdfIn PDF document text
- http://pususarejopo.epizy.com/destination_a1_a2.pdfIn PDF document text
- https://5e0c4d4d-41f9-428c-9564-b93e7cff6769.filesusr.com/ugd/510691_2418c94baed44d88ba009bc316d846ae.pdf?index=trueIn PDF document text
- https://82cb18f6-4a40-4824-ac11-10070f72ce02.filesusr.com/ugd/5aec95_66eea5bc2443477ea1bbd798db4608de.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_off0000e2fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2FE | 5008 bytes |
SHA-256: 4d210d5a7f0566eabc4f2d4bae4ddf5d317b54c79c63fc7a7d416ddc7bf3ae16 |
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font_01_sfnt_off0000f402.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF402 | 22444 bytes |
SHA-256: 7505689ac58a7e440c3d494e68ba8fc0fe6e9fb97aca2c06a05a966d320a0862 |
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font_02_sfnt_off00012545.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12545 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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