MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many pointing to disposable domains and potentially part of a link farm. The primary URL, https://coretry.ru/pbw?utm_term=how+to+read+snellen+eye+chart+results, suggests a lure related to eye chart results, likely to direct users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://coretry.ru/pbw?utm_term=how+to+read+snellen+eye+chart+results PDF link annotation
- https://cdn-cms.f-static.net/uploads/4409797/normal_600be1c5f089d.pdfIn PDF document text
- https://ratexema.weebly.com/uploads/1/3/4/7/134720574/femesabedejezo_monowa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415950/normal_6065d9306beac.pdfIn PDF document text
- https://lesidodulutenem.weebly.com/uploads/1/3/4/3/134352412/zalenijobul.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409610/normal_603d0ad5e746d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://buvavipoluvu.pbworks.com/f/product_warranty_letter_format_sample.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf41fa97-35e5-4d88-95f2-752aac1ec0db/way_to_capture_flash_video.pdfIn PDF document text
- http://zizovitunex.pbworks.com/f/bumodirumadivixusader.pdfIn PDF document text
- http://natizasex.pbworks.com/w/file/fetch/144578349/phrasal_verbs_with_go_worksheet.pdfIn PDF document text
- http://depowota.pbworks.com/w/file/fetch/144501951/homojen_karm_rnekler.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9fd57bc2-beb6-47fa-b756-3a48cb2a997a/pokemon_redeem_code_iphone.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bc293c12-ebf2-41a6-9e17-2bfb311167a3/rozakaxavigaxovugov.pdfIn PDF document text
- http://nolumemonip.pbworks.com/w/file/fetch/144514359/4105277195.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f6a2fa08-db71-48bb-888f-2c6e3924e2e7/wadofozazaxedasofo.pdfIn PDF document text
- http://taxexuwej.pbworks.com/w/file/fetch/144586764/salesforce_data_download_login_must_use_security_token.pdfIn PDF document text
- http://bawamotijeku.pbworks.com/f/12945799659.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/69b20577-9ace-4623-8736-b84bead66509/how_to_use_cyber_threat_intelligence.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9a3b4e31-abc3-4f46-a9a9-f62dd043a8c9/83387923691.pdfIn PDF document text
- http://ronefete.pbworks.com/f/81667420652.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b94cc791-c548-4f23-b977-6c9d5e88f99f/cuisinart_brew_central_dcc-1200_filter.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9de4ecda-996c-437e-8458-b284152f4907/eclipse_1100_hr_a_elliptical_trainer_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e959c3ce-801a-4e84-a29b-df56638ed090/us_army_special_operations_command_europe.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_off0000e0eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0EB | 5180 bytes |
SHA-256: d6a20ddd4368366517ab302fb65e6ed842dd1a64326a8094662b677be0d1134c |
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font_01_sfnt_off0000f293.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF293 | 10424 bytes |
SHA-256: f655abe42fd400b0584874c8dafe844c093878a9a0e4d226acd7b31fcb3138fa |
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