MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is identified as malicious by multiple heuristics, including a critical ClamAV detection and an ML classifier. The PDF contains numerous embedded URLs, with one prominent URL, 'https://baarspo.ru/award?keyword=nat+analytical+reasoning+questions+with+answers+pdf', suggesting a phishing or malicious content lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a link farm on disposable hosting, further supporting a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://baarspo.ru/award?keyword=nat+analytical+reasoning+questions+with+answers+pdf PDF link annotation
- https://cdn.sqhk.co/tugirujozi/chXHcUP/bubble_pop_origin.pdfIn PDF document text
- https://cdn.sqhk.co/nobegasosev/ghCigXF/help_annie_game_over_man.pdfIn PDF document text
- http://dfwshootersupply.com/empires_puzzles_epic_match_3_apk9wy4c.pdfIn PDF document text
- http://gasorutika.iblogger.org/dekedokapigo.pdfIn PDF document text
- http://static-get.top/xoxapuzeludedobimamigati5wo4e.pdfIn PDF document text
- http://carishr.com/612139920320k7is.pdfIn PDF document text
- http://guliragitifor.iblogger.org/gatujunasaz.pdfIn PDF document text
- http://reduslimitaly-official.website/10_examples_of_bugtong_with_answers11mss.pdfIn PDF document text
- http://canonsburglake.com/jeep_wrangler_repair_costswj86i.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://limebeb.epizy.com/reversible_and_irreversible_changes_worksheet_with_answers.pdfIn PDF document text
- http://bubexixan.epizy.com/43344394782.pdfIn PDF document text
- http://wowimes.epizy.com/5546720543.pdfIn PDF document text
- https://s3.amazonaws.com/girilifawuxi/myne_owne_ground_chapter_1_summary.pdfIn PDF document text
- http://kesufelitam.rf.gd/acromial_extremity_of_clavicle_information.pdfIn PDF document text
- https://s3.amazonaws.com/lepefi/jederodaritova.pdfIn PDF document text
- https://s3.amazonaws.com/purawuma/academic_paper_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/311b2541-f56b-4246-9014-0c176cb9f6f1/psy_gangnam_style_video_song_download.pdfIn PDF document text
- http://rukateridexak.rf.gd/94507697983.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ead01be0-fad1-461f-bb8c-73fb8850cfa9/panini_scanner_not_recognized.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA88 | 5588 bytes |
SHA-256: 0e036f6fb8e04817a8184912ed726d5cd52ee1b0fb56da8375f1a12fdf76f518 |
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font_01_sfnt_off0000fd8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD8E | 10584 bytes |
SHA-256: f08943e5606d8ca25a580f4af3b9fb48197ca7059a182ccc45a7aa3537277796 |
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font_02_sfnt_off000121b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121B2 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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