MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document that contains a large number of external links, many of which are hosted on disposable domains, indicating a link farm or SEO spam tactic. One of the primary URLs extracted, 'https://zajinet.ru/strik?utm_term=how+much+does+an+electric+pallet+jack+weigh', suggests a lure related to search queries. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
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://zajinet.ru/strik?utm_term=how+much+does+an+electric+pallet+jack+weigh PDF link annotation
- https://cdn.sqhk.co/jotepomi/UkGjhdq/tafulawefixele.pdfIn PDF document text
- https://cdn.sqhk.co/fugovigul/jaagiMo/mineral_water_vs_spring_water_uk.pdfIn PDF document text
- https://cdn.sqhk.co/junikesiza/TjcpiJ5/tulirafo.pdfIn PDF document text
- https://cdn.sqhk.co/mugejufunij/hcsihWC/us_radio_stations_list.pdfIn PDF document text
- https://cdn.sqhk.co/worijekegir/dhjgfhj/fowevulud.pdfIn PDF document text
- https://cdn.sqhk.co/nopawuwam/jcnQgf2/muguf.pdfIn PDF document text
- https://cdn.sqhk.co/bewewojiwo/pgeX39j/bumukosuv.pdfIn PDF document text
- https://cdn.sqhk.co/zarepowake/4jejcgc/ces_2019_tech_trends.pdfIn PDF document text
- https://cdn.sqhk.co/navimoxa/hLxhgI9/83836934111.pdfIn PDF document text
- https://cdn.sqhk.co/xijogedobu/cVMKAig/instagram_video_downloader_iphone.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e4fb9bf1-a3d6-4767-9bf2-2a1021e5dc09.filesusr.com/ugd/53cfc7_153e02a78115437681a3f7f594bc5b5b.pdf?index=trueIn PDF document text
- https://eb72eaa1-ef55-40a3-a653-f6d21bccf295.filesusr.com/ugd/54913d_83abca1b359a4839973d814ecc9972ea.pdf?index=trueIn PDF document text
- https://01d7ec8a-e38e-4e33-8c76-1be31754498b.filesusr.com/ugd/24d943_40fe6f0302c6487fbac0da42a9c045bc.pdf?index=trueIn PDF document text
- https://9db8f275-5044-409a-aa1b-3306d9dda9bd.filesusr.com/ugd/361f4b_266ff1db6bb74bfa84e90ed015db4354.pdf?index=trueIn PDF document text
- http://redusaboj.epizy.com/basketball_stars_hack_apk.pdfIn PDF document text
- https://a3e8d6b6-68ee-4625-a313-a25a09dbd39d.filesusr.com/ugd/312e12_492e06710b2147af8bd0f194822adc2f.pdf?index=trueIn PDF document text
- http://zeraginijumeje.epizy.com/kizetokinafu.pdfIn PDF document text
- https://bc260b4e-efc2-469d-9102-9c7234992d76.filesusr.com/ugd/b1b3ad_cddc81bf929642bfbf711b7c96375a4a.pdf?index=trueIn PDF document text
- https://2daccc73-8708-4113-a26a-4f38906335d9.filesusr.com/ugd/f65175_7b74057333f74fcab97d5b9a707d068e.pdf?index=trueIn PDF document text
- https://37e0f79d-b0c1-4727-b76d-5b759c81288f.filesusr.com/ugd/9c66ff_06743f77f6844ced8f2a42d80e284dd8.pdf?index=trueIn PDF document text
- https://c06d174a-caca-4ab2-b5a0-4525cd3135d4.filesusr.com/ugd/856cea_70b5b6302bfb4eb58ca30e5b6778010b.pdf?index=trueIn PDF document text
- https://0a38098d-26c8-4844-ab0b-2dfc398d7f8d.filesusr.com/ugd/fffd55_5f82dc7e28ec4f3981faf3ee6c0d8fd8.pdf?index=trueIn PDF document text
- https://12c48f50-3553-44c7-a31c-19fc5df83d07.filesusr.com/ugd/7e0eb0_7744647ebeb24a6190c2007839c6c1e0.pdf?index=trueIn PDF document text
- https://574dee49-ee40-4737-ae02-340ce2b26f9d.filesusr.com/ugd/b44cf7_bf50823135064b5596589b6666517278.pdf?index=trueIn PDF document text
- http://bigumijegesa.epizy.com/fovusatofosonezemales.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_off0000f8cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8CB | 5680 bytes |
SHA-256: 16dc03ff140078f4e464ee162bf4ae042bf4a0e36d4710cac600d2f2884e94b8 |
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font_01_sfnt_off00010c06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C06 | 11164 bytes |
SHA-256: 95ae32a30a73884f5514f6d6d8363f4c45728e53e83828c5ca2358ca1363b612 |
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