MALICIOUS
184
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 alert for linking to known malicious redirector infrastructure. The embedded links, such as 'https://dafemum.ru/award?keyword=approach+to+polyuria+in+pediatrics+pdf', are designed to lead users to potentially harmful websites. The document body, though heavily obfuscated, contains text fragments that appear to be lures for academic or informational content, further supporting a phishing or redirection attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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 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://dafemum.ru/award?keyword=approach+to+polyuria+in+pediatrics+pdf In PDF document text
- http://coins24h.com/17187546985xard9.pdfIn PDF document text
- http://duxolaw.22web.org/toefl_test_paper_based.pdfIn PDF document text
- http://pristav.pro/63303471520bpygb.pdfIn PDF document text
- https://pomisefinare.weebly.com/uploads/1/3/4/9/134902228/5764383.pdfIn PDF document text
- http://natikolom.site/elementary_english_grammar_and_composition_for_class_8_solutions5r1yn.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455684/normal_5feebc3f798f8.pdfIn PDF document text
- https://tunuwadubozowe.weebly.com/uploads/1/3/4/3/134363043/lazovugabebekiwasip.pdfIn PDF document text
- http://yogait.space/47456169575w4l87.pdfIn PDF document text
- https://fukidupedogof.weebly.com/uploads/1/3/2/8/132814182/f22870e7f0.pdfIn PDF document text
- http://coolmag.biz/lubexujenajanotutcv6y4.pdfIn PDF document text
- http://itslm.fun/kawomupokamenivuregig4nm0.pdfIn PDF document text
- https://fokomowopijav.weebly.com/uploads/1/3/4/6/134643156/f28f3b.pdfIn PDF document text
- http://zadebunijuzo.22web.org/wezofalob.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369797/normal_603f1678885f3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471509/normal_5fd8cd2de3269.pdfIn PDF document text
- https://wojuruwebibok.weebly.com/uploads/1/3/4/2/134266806/bonetosomifix-dikatuzig-bomog.pdfIn PDF document text
- http://laxana.ru/debtors_ledger_templatew246u.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://legibevisavu.epizy.com/zapejisenu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6997382f-0662-4a8f-adf9-e68cee94420b/disipoberenatine.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c8eb6896-879b-4ebf-ac4c-be8ff7189807/how_to_use_midi_keyboard_in_ableton_live.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/facd19e5-3c43-49dd-a603-7657eb151ac8/how_low_should_your_carbs_be_on_keto.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/93f92f5a-1afe-4b80-89c6-db1766820b80/what_is_computer_network_in_english.pdfIn PDF document text
- http://donafilozevore.rf.gd/haccp_risk_assessment_matrix_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fab82f8a-7e74-4585-8d8b-d5b89d5d6e19/howard_miller_grandfather_clock_key.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_off0000ef1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF1E | 5336 bytes |
SHA-256: a5029e77314dfeb0b567c4ce7b434464544e80eb121f5bc7b0f98a53eee203d0 |
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font_01_sfnt_off00010147.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10147 | 12280 bytes |
SHA-256: aa00ec1121768ce27afbb40ac06c8baaee4f05d27c04c36e14685453a3ef32ea |
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