MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The ML classifier also strongly indicated maliciousness. The primary IOC is the external URI pointing to 'crophysi.ru'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://crophysi.ru/123?utm_term=vidmate+video+er+for+pc+app PDF link annotation
- https://vezevuxujobamo.weebly.com/uploads/1/3/6/0/136082964/64cef.pdfIn PDF document text
- https://fanapakukole.weebly.com/uploads/1/3/4/7/134756501/6284343.pdfIn PDF document text
- https://tonikajolokoge.weebly.com/uploads/1/3/0/8/130874266/nunol_milewiwum_vujudepupesopew_bifadukewigire.pdfIn PDF document text
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/6c9b1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kuzimotum.pbworks.com/w/file/fetch/144551457/mera_bhola_bhandari_song_download_mr_jatt.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/02847452-40c6-4913-9c59-dba2b175976f/79075262648.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/94550065-b9b2-49b2-988b-f517bb66a07f/23281953920.pdfIn PDF document text
- http://gijorugisaw.pbworks.com/w/file/fetch/144513657/58338263916.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6b3d74f-e05d-41d2-9b6f-331fc962a645/iso_27001_standards_list.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12853e7f-1d1d-4537-bb34-913df9caa0a4/play_script_planning_template_ks2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4dc66e7a-2477-45d7-9687-26a13744278d/who_is_stephen_hawkings_wife.pdfIn PDF document text
- http://fufitan.pbworks.com/w/file/fetch/144550899/7568004848.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/188759bb-3098-45ae-92c2-c83ccaf2aa98/piloreligodawev.pdfIn PDF document text
- http://sofutikajen.pbworks.com/f/1670560945.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e8845287-2fd5-4d6e-9fbc-062657fedfed/mapiboli.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/142de614-5276-439d-9fc2-6efa4d14c96a/descargar_dragon_ball_z_tag_team_para_ppsspp_con_mods.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4239441e-cdfe-4f21-9e0e-a35ce1111c90/what_are_claims_and_counterclaims.pdfIn PDF document text
- http://mibegenav.pbworks.com/f/tizoziwuwirugog.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_off0000ea53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA53 | 5116 bytes |
SHA-256: 471722398077f705f79dede8032207bfc744c51523445ab0f975e95ea49b5256 |
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font_01_sfnt_off0000fbb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBB0 | 11416 bytes |
SHA-256: e9740702f8c0ed1b237f23b6aa46a6ec6d22ac8c2ec018aee58e6d5b16b9d5da |
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