MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. One of the primary URLs, https://mezovuduw.ru/aws?utm_term=common+roadside+plants+in+singapore, is marked as unknown reputation and is likely part of the malicious infrastructure. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure indicates 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://mezovuduw.ru/aws?utm_term=common+roadside+plants+in+singapore PDF link annotation
- https://cdn.sqhk.co/wujakegu/ihfhgt2/89310822528.pdfIn PDF document text
- https://cdn.sqhk.co/fodexuxefeba/eRc3hjR/descargar_123d_sculpt_para_pc.pdfIn PDF document text
- https://cdn.sqhk.co/makulowujip/jhegfic/64185994310.pdfIn PDF document text
- https://cdn.sqhk.co/lonubugogere/2UgeJja/draw_story_game_episode_3.pdfIn PDF document text
- https://cdn.sqhk.co/zokirafuka/hfMHJck/41098268474.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/515b11f1-548a-496d-ac42-95b33d781ad2/how_many_carbs_in_keto_diet_reddit.pdfIn PDF document text
- https://6afed14e-2b01-442b-8c2e-11a8a6f39965.filesusr.com/ugd/46a5ae_a708e078ff2845fc9fdcb47f1d3505e4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/116210c0-666b-4350-ade3-7cf5c6fe754c/logitech_harmony_300_universal_remote.pdfIn PDF document text
- https://s3.amazonaws.com/rodigapigeta/iswaran_the_storyteller_class_9_ncert_answers.pdfIn PDF document text
- https://4a7d9d2b-1d67-446c-8d6d-bdd3043d1f60.filesusr.com/ugd/c3d078_30f35ad713444e7dabf72729fad4814a.pdf?index=trueIn PDF document text
- https://3d7304b5-8527-495f-b913-615d6f357a43.filesusr.com/ugd/ef7486_49d1e3a512d94481a41004ac59799c23.pdf?index=trueIn PDF document text
- https://275320ff-96dd-455a-9699-a0fdc58b27a5.filesusr.com/ugd/943725_1e842356f3f4486997866783348e6e14.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/voxulija/kosubiposo.pdfIn PDF document text
- https://s3.amazonaws.com/dovulavavo/17628849787.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/391175a5-b43f-4012-bfe7-142e97c9bf81/pifuporerurutuxidelu.pdfIn PDF document text
- https://baad1762-ad72-434c-be9a-9de7d8068d01.filesusr.com/ugd/61395f_5633a188f74a434aa6974a24fa504c5b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/36fc7017-0404-40fd-a88d-f438ff343cbf/what_is_a_social_research.pdfIn PDF document text
- https://b4e79a3f-0083-4b26-8056-4fe87fb46dfd.filesusr.com/ugd/332c1b_461499e1e01f4674aa3f7e3c569ff891.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tokudapele/67963060597.pdfIn PDF document text
- https://587b455d-cc79-4428-8e80-a8b75ce23bca.filesusr.com/ugd/021ec8_b72d6c3661bb467e9f04a2091c77425e.pdf?index=trueIn 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_off00010173.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10173 | 5184 bytes |
SHA-256: 94ff92fcce7cb3348c9182c9dcd90f0c2fd4e76e1a89656cb4d49e6ed91b6576 |
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font_01_sfnt_off000112f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112F6 | 11188 bytes |
SHA-256: 006b0bd74a27814f41dac481ec20ab197853d03058e5222e451be0c7e165f594 |
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