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 0.9964
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/strik?utm_term=how+to+apply+self+stick+vinyl+flooring PDF link annotation
- https://cdn-cms.f-static.net/uploads/4393364/normal_604631ef907b5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476150/normal_5feb65c8e6b24.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480414/normal_604cdee06407d.pdfIn PDF document text
- https://jiparebifipi.weebly.com/uploads/1/3/4/6/134638028/pumaneb-dezokemanesutaj-gofumoj-bovufep.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501028/normal_5ff34d913a577.pdfIn PDF document text
- https://jaloteke.weebly.com/uploads/1/3/4/0/134096083/mujibu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459914/normal_605a7a4b4cc5f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386822/normal_60511a803bed2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384647/normal_5fe64cd4adcfb.pdfIn PDF document text
- https://tudegikugil.weebly.com/uploads/1/3/5/3/135317618/bujofupewe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459323/normal_5fec63eeaa4b0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500692/normal_60121b6567c04.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378857/normal_6010d0bbd4e5f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/xufujofaleki/dahisar_weather_report_today.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87b8997a-7f20-4f4f-a014-7cd885cd998b/89518219419.pdfIn PDF document text
- https://s3.amazonaws.com/wefadep/papupizimafugise.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e9ba139-16bd-4e76-bebf-8f78c14a3268/thompson_center_hawken_front_sight.pdfIn PDF document text
- http://kotasogova.rf.gd/congratulations_on_your_new_position_template.pdfIn PDF document text
- https://s3.amazonaws.com/lupuvogotog/english_b.pdfIn PDF document text
- http://rovatidakenaj.rf.gd/taurus_g2c_trijicon_night_sights.pdfIn PDF document text
- https://s3.amazonaws.com/lolaritemukole/spanish_subjunctive_practice_worksheets_with_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d878c989-bcc1-4d43-b2dc-243457d2cad3/nutemonuvoja.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c344dde-586e-4446-958c-3967691bfdc5/how_to_turn_on_taranis_qx7.pdfIn PDF document text
- https://s3.amazonaws.com/fumiposamisur/before_after_transformation_quotes.pdfIn PDF document text
- http://tinuzutajalik.epizy.com/bug_s_life_full_movie.pdfIn PDF document text
- http://nozumipoz.epizy.com/77492087336.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2296264-be73-4789-9c15-bcd3895d98cf/problemas_de_la_educacion_basica_en_mexico.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_off0000fff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFF5 | 5464 bytes |
SHA-256: b54e64c2f9013cd5614e446f427c27adc89778e341aa90aab0ccb8df62e83bc3 |
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font_01_sfnt_off000112bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112BB | 11236 bytes |
SHA-256: bf6dbfc72c4582bd842a3fdc8ed2a321a626ff3743c116c0f1d8a5cf8bbc7c1c |
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