MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The presence of external URIs and a link farm heuristic points to an attempt to drive traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://midufefew.ru/strik?utm_term=calendario+escolar+secundaria+2020+a+2021 PDF link annotation
- http://sadogiropi.mypressonline.com/xatotaxeluzakato.pdfIn PDF document text
- http://juvovagesubo.mywebcommunity.org/xasabukovi.pdfIn PDF document text
- http://vovpomnim.ru/57587631786rmh2f.pdfIn PDF document text
- https://nupepapeziwib.weebly.com/uploads/1/3/5/3/135319604/3061e4c18b032.pdfIn PDF document text
- http://jakor.pro/flemingsburg_ky_stockyard_market_report2w39b.pdfIn PDF document text
- http://acgmgroup.ru/acronis_drive_monitor_softwarer28vp.pdfIn PDF document text
- http://bekokax.getenjoyment.net/arquitectura_latinoamericana_contempornea_hugo_segawa.pdfIn PDF document text
- http://inscarusa.info/after_read_online_anna_toddaavbw.pdfIn PDF document text
- https://nezejigon.weebly.com/uploads/1/3/4/6/134611081/378035.pdfIn PDF document text
- https://rigawegafo.weebly.com/uploads/1/3/4/5/134587157/4309160.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zuwopun.rf.gd/dhl_international_air_waybill.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/02d82eed-cd92-4719-88c2-895f107ec9d9/fivipaw.pdfIn PDF document text
- http://sarirepenibe.epizy.com/bharatha_desam_goppatanam_in_telugu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/655d087c-f4d2-47e6-b297-3e06bcb851df/kozenixopigapiwixusasav.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/13ceddd2-446d-4c19-b9fb-d6d0bb22c89c/how_to_reset_bosch_dishwasher_silence_plus_46_dba.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c0aefae2-3cec-49c3-81b7-74ab9d827d2e/roligiv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2fb3792-4b40-4a64-98e3-f67de7c01d6d/55042038266.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8dbca2bb-022e-40a7-b7ed-9de5a711936b/what_is_walmart_uniform_policy.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9152f957-b694-49f2-a27a-525be1796714/how_to_merge_layers_in_gimp_2.10.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e2d99738-ff7f-4426-8793-0601fad6862c/86865276179.pdfIn PDF document text
- http://jixojamut.epizy.com/43607580021.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_off0000cc89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC89 | 5164 bytes |
SHA-256: 9a93708b78361e67c1ab252daeecba11a154f5dbbfae2e881d91841d5c883dc0 |
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font_01_sfnt_off0000de1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE1E | 11052 bytes |
SHA-256: fcebb280e7ed5f3a29c07be56d701e72c1e1678518a2155a2379c4c772cc0cc4 |
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