MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically identified as a phishing trojan by ClamAV. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or SEO manipulation tactic. The primary URL, 'https://cructi.ru/pbw?utm_term=bike+racing+3d+game+download+apk', indicates a potential lure for users searching for specific content. No scripts were extracted, but the PDF structure and link farm indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://cructi.ru/pbw?utm_term=bike+racing+3d+game+download+apk PDF link annotation
- https://jaxedafotonomut.weebly.com/uploads/1/3/4/8/134885779/2456355.pdfIn PDF document text
- https://gowapatemik.weebly.com/uploads/1/3/5/3/135319450/didavufowitufi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444374/normal_60b9a35d525af.pdfIn PDF document text
- https://bevokelas.weebly.com/uploads/1/3/4/3/134310014/lewokesur.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366982/normal_5fd6efd1aac36.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/b608212c-fda5-44bf-99e5-76633fbf99f3/how_do_you_remove_the_hepa_filter_on_a_dyson_v6.pdfIn PDF document text
- http://pefagisunel.pbworks.com/w/file/fetch/144524088/how_to_use_keratin_smoothing_treatment.pdfIn PDF document text
- http://gosirata.pbworks.com/f/11826336577.pdfIn PDF document text
- http://jebodigezev.pbworks.com/f/how_to_reset_a_decoder_remote.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/400a03bd-719e-45cb-af52-47d5757c66fe/25647073205.pdfIn PDF document text
- http://risuxujuvu.pbworks.com/f/vexugox.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eea342d1-f9ad-4309-a75f-25eeded0ef18/in_cold_blood_book_genre.pdfIn PDF document text
- http://gajufabeke.pbworks.com/f/61977665328.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/50e9f3f8-fcd8-4402-92e5-d1670b5d22b1/dark_souls_3_4k_textures.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cfc965ff-0a1b-424d-b0af-1bb847bf31ce/how_to_reset_thermostat_well_sensor_fault.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/afd38819-a2de-4b01-9dbe-22a9d234d2a6/busuni.pdfIn PDF document text
- http://bezawagiga.pbworks.com/w/file/fetch/144741063/58414339639.pdfIn PDF document text
- http://fujiserefi.pbworks.com/w/file/fetch/144809208/ejercicios_de_radicacion_de_numeros_naturales_resueltos.pdfIn PDF document text
- http://paderukut.pbworks.com/f/braun_silk_epil_9_manual_english.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_off0000d63e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD63E | 5584 bytes |
SHA-256: 5d0f2391e2027c96ff2f58004118031330bbf626a2a8e2e235cfa37c4318262b |
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font_01_sfnt_off0000e948.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE948 | 21152 bytes |
SHA-256: b29afb8b90ccf99c6d7bbd46f2240988957a2f96423687231796db621c2056dc |
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