MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, with a significant number pointing to disposable hosting and exhibiting characteristics of a link farm. One prominent URL, 'https://xezojetit.ru/123?utm_term=appeared+certificate+format', is flagged as suspicious and likely serves as a lure. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. Although no scripts were explicitly extracted, the PDF structure and URL patterns suggest it's designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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 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://xezojetit.ru/123?utm_term=appeared+certificate+format PDF link annotation
- https://cdn.sqhk.co/vujaderaz/chcBhgm/nightmares_from_the_deep_3_davy_jones_download.pdfIn PDF document text
- https://cdn.sqhk.co/ketejeti/hjdU3hg/fabfitfun_promo_code_october_2020.pdfIn PDF document text
- https://cdn.sqhk.co/zijopenuxafi/jdDjjAq/will_kanto_pokemon_be_in_sword_and_shield.pdfIn PDF document text
- http://potawuzaj.medianewsonline.com/amish_tripathi_sita_free_download.pdfIn PDF document text
- http://bovewitavivebu.getenjoyment.net/employee_self_assessment_form.pdfIn PDF document text
- https://cdn.sqhk.co/tilafukefuwe/gXuzlgi/zujuxijinudumozomuduritev.pdfIn PDF document text
- https://cdn.sqhk.co/gizukakom/i2RphgP/driving_school_simulator_mod_apk_android_1.pdfIn PDF document text
- http://mufutekuson.getenjoyment.net/bank_branch_manager_resume.pdfIn PDF document text
- http://bcipreactivaperu.com/4d_octagon_card7n9r2.pdfIn PDF document text
- http://theporte.xyz/is_bodyweight_training_effective_for_building_muscle08f0m.pdfIn PDF document text
- http://bu-markett.com/livro_anatomia_do_fascismo76y81.pdfIn PDF document text
- http://rozel.ru/what_does_it_mean_application_in_review_processedr7a1i.pdfIn PDF document text
- http://kesisofawa.mygamesonline.org/assess_the_application_of_genetic_engineering_in_medicine.pdfIn PDF document text
- http://kumajamefe.getenjoyment.net/10966333146.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/gaxuremewuger/webeduzuzefodi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/25dfdb58-0dfa-41ad-8e65-82fe99977fb1/gozik.pdfIn PDF document text
- http://bixozebaxikapos.atwebpages.com/besobuwamosadijuzelodi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08cc31f8-297f-47d6-a04d-fdd95ccd71ab/17845508643.pdfIn PDF document text
- https://s3.amazonaws.com/wujixus/mofezufojikirexavigajoze.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c35e3db-eac5-4955-8eb4-f1dcec970ef7/the_wretched_of_the_earth_chapter_1.pdfIn PDF document text
- http://lopakesuzuw.atwebpages.com/amparito_roca_guitarra.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_off00011d4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D4C | 5080 bytes |
SHA-256: f657263301c77ac755c6fee10e21a94e96c6a1b0c204fb69f5bf46cdd822694b |
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font_01_sfnt_off00012e85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E85 | 11524 bytes |
SHA-256: 7df8e42278a25cbbc178c118db433a0d7f649bf5f6ef4c6b9024d63b100032f3 |
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