MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by multiple heuristics, including a critical alert for linking to known malicious redirector infrastructure and a high ML classifier score. The document contains a large number of embedded links, many pointing to disposable hosting, suggesting a link farm or phishing attempt. The presence of a malicious redirector URL indicates an attempt to lead the user to a harmful site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/strik?utm_term=how+fast+does+light+therapy+work In PDF document text
- https://cdn.sqhk.co/jopuromug/jw4ur44/36554917407.pdfIn PDF document text
- https://cdn.sqhk.co/vakanaju/higjdVQ/sejolewemapuvivateb.pdfIn PDF document text
- https://cdn.sqhk.co/radofufalam/ge4higf/mount_hutt_knight_joust_multiplayer_battle_royale.pdfIn PDF document text
- https://cdn.sqhk.co/vinikawikuve/02xngda/65295291237.pdfIn PDF document text
- https://cdn.sqhk.co/punipopi/bifgjid/download_game_mod_gravity_rider_zero.pdfIn PDF document text
- http://babobekoru.66ghz.com/headway_beginner_audio_cd_free.pdfIn PDF document text
- https://cdn.sqhk.co/tazewupo/gfggjhe/bigusi.pdfIn PDF document text
- http://lagegisujego.iblogger.org/biztalk_server_administration_console.pdfIn PDF document text
- https://cdn.sqhk.co/nogedapuvul/hiivijg/captions_for_instagram_pictures_with_friends.pdfIn PDF document text
- https://cdn.sqhk.co/gajeneset/3L7ihp7/tezilavibedavaxexej.pdfIn PDF document text
- https://cdn.sqhk.co/wazikunal/d9lUBge/tozigileferovefovun.pdfIn PDF document text
- https://cdn.sqhk.co/kigoxeni/hfKgigj/tripp_trapp_baby_cushion_review.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/7abbeabd-525e-4070-b6e6-d0743226c62b/38993982264.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2fa447e0-e8d5-43dd-a0ab-9791c4f02ebd/can_you_order_burger_king_without_bun.pdfIn PDF document text
- https://5902ff30-e651-486c-ac37-3e8383bfa78f.filesusr.com/ugd/f35da0_849849843e27467ca0806e372e32d243.pdf?index=trueIn PDF document text
- https://f3b8d348-8566-49c9-a9f8-a2c3b9e1bc8e.filesusr.com/ugd/f1c748_dddc7400a8084e82b2a13efa16abacc7.pdf?index=trueIn PDF document text
- https://e29a9437-b0a5-48a6-9afa-908397ce514a.filesusr.com/ugd/16a9c1_ccdcecd586f54ac89f4a13b008ad1a75.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0f2e6672-7b28-489d-b3f5-cc2dce178a0f/honda_outboard_motor_parts_list.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dcd52e86-b21d-4dbf-b213-b209231c0ea0/etapas_del_proceso_de_investigacin_cientfica_con_enfoque_cualitativo.pdfIn PDF document text
- https://dc273c12-e125-4738-b2e6-b96bc4bd5eb7.filesusr.com/ugd/c8df25_7f8b56b143644a8281c5f9941c3ba74b.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_off000107b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B9 | 5524 bytes |
SHA-256: 89ef50dab4fa914ecfb4575daf700c3ba5246a1a221c78c2980a0ab5938d2e31 |
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font_01_sfnt_off00011a91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A91 | 10912 bytes |
SHA-256: cdeec8877a2526df7f1c98c7303e803699f1ad783f065267d80a191ae4a23892 |
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