MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://bologen.ru/award?keyword=difficult+bible+quiz+questions+and+answers+pdf PDF link annotation
- http://xidotamasaw.22web.org/derivative_power_rule_practice_worksheet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421335/normal_60403c4fbd113.pdfIn PDF document text
- http://gunifewut.iblogger.org/brachiopod_morphology.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410216/normal_5fefd4e4dfb7f.pdfIn PDF document text
- http://mamafiposorugul.sportsontheweb.net/givagimavadofuvamurexez.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486548/normal_600fbd9cc9d19.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412780/normal_5fe49abe78090.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384817/normal_605c284c8d406.pdfIn PDF document text
- http://dupuladusudired.mypressonline.com/23596418106.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/39ced08d-595a-4215-90c7-2877ed3348af/how_to_get_adobe_photoshop_free_for_students.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b63b8272-7579-46fb-b7b9-e18451965af9/dusk_till_dawn_full_movie_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4aa272d6-9790-40e1-9b13-4b167580bfb7/cuanto_es_un_metro_cubico_en_metros_cuadrados.pdfIn PDF document text
- http://buvelijixuzumu.epizy.com/43732430744.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/50556153-e07d-4e97-bdcc-4d1faf650b54/64398692891.pdfIn PDF document text
- https://cad90261-f038-4e8a-b384-2e0e37e6cb8c.filesusr.com/ugd/4c4e45_53dd422043e2411181399aa6417e5e2f.pdf?index=trueIn PDF document text
- http://natikopudidupex.epizy.com/fogikeg.pdfIn PDF document text
- https://a79fbd7c-12a6-44fe-9d3c-43dc2b0795a8.filesusr.com/ugd/f95141_60e543ec10fa402c9adef2f488b6ce8a.pdf?index=trueIn PDF document text
- http://webeputexewek.rf.gd/affixes_in_english_grammar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9e79e8be-75db-455f-9933-272f6e6db6c5/musepufevewifugitomom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b84494c5-c6f0-4c16-82e6-82ea19990439/89939217120.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8b8d8387-d220-4286-8abd-3f05d3fc90b0/joxuvuroginusosokisawuli.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a8198ccd-df18-46d1-9f52-c7863a30d3bd/whats_the_best_free_game_on_ps4.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1dee1e02-24ee-4470-bf9b-693096ce0c60/what_would_cause_a_car_to_not_change_gears.pdfIn PDF document text
- https://55963656-6eb1-4b25-bcd5-bb835d65808b.filesusr.com/ugd/0064ae_4f75c48c721e4ab09b1f50b6981a5d10.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f7db508f-40b6-4f8b-ad89-8b489a7ccdce/41144858905.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_off00013673.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13673 | 5556 bytes |
SHA-256: e113d234f099ef3e5708329f5485cd545174c4c0d95d49c710149c31d3b1f06d |
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font_01_sfnt_off00014986.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14986 | 10828 bytes |
SHA-256: 242e72c8a12fe2b55679e90ed1f46c157c475593b5f542b77193fa9810e7313f |
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