MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious content. It contains a large number of external links, many of which point to disposable domains, suggesting a link farm or phishing operation. One of the embedded URLs, 'https://leonvi.ru/strik?utm_term=what+is+the+magnitude+of+the+net+force+acting+on+the+car+while+it+is+moving+from+a+to+b', is particularly suspicious and likely leads to a malicious site. The document body is heavily obfuscated and unreadable, but the presence of numerous external links strongly suggests an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://leonvi.ru/strik?utm_term=what+is+the+magnitude+of+the+net+force+acting+on+the+car+while+it+is+moving+from+a+to+b PDF link annotation
- http://tokio-2020.fun/wosomop93f81.pdfIn PDF document text
- http://tuimag.ru/73071187668spmb1.pdfIn PDF document text
- http://nazhivy.net/38205860049vnhg9.pdfIn PDF document text
- http://info-pages.ru/baidu_antivirus_for_windows_10_free7himp.pdfIn PDF document text
- http://lalat.space/download_video_watsapp_weba4gu0.pdfIn PDF document text
- http://uchebnoe.website/zugatokafebnztv.pdfIn PDF document text
- http://biolinkus.me/how_to_check_digital_thermometer_readingjy84k.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/95323593-59de-4690-b7c5-c269dad5d009/daily_reading_comprehension_grade_5_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/33d14c28-4fc4-423c-97f5-871bae865d5b/potusu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/24e7a157-0ba0-43ed-9323-78dee8419f6e/pulufexitagiva.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf2fde0f-d23c-4ae0-a10e-9a1c53b01028/the_republic_of_texas_is_no_more._what_event_caused_this_quote.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b6ac4f7d-8dc3-449e-bf31-543377c97769/136083229.pdfIn PDF document text
- https://89f68ddc-9f98-4e60-8afa-3e0ca6603e9e.filesusr.com/ugd/4725f1_93892c83ca534edeb4c752070a44c97c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e589384c-8520-404c-ae3a-81d95bb4242d/how_do_you_reset_a_rheem_electric_water_heater.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b5ed80c2-e203-4224-bf41-d477b0d61660/how_to_connect_beats_solo_1_wireless_to_iphone.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b96dd43a-217d-422a-9dd1-5cbd914363c6/buwujejukokigadusige.pdfIn PDF document text
- https://d102a0f2-001f-4998-bb0a-88ac30ac05b5.filesusr.com/ugd/771ea4_c72b115a06804cf4b967a2e923f2c2fc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4a12fcb8-6ba3-4e63-8502-f910afe00b4a/morafapuxemakebeka.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/842e362b-f7c1-45ef-9815-11123bf213ea/where_to_drop_off_charity_clothes.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_off0001065f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065F | 5740 bytes |
SHA-256: 9acd73984ede62fcd6d287ebcc02fb204f49bfd1c85836a070c1da6c8af1dfe9 |
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font_01_sfnt_off000119db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119DB | 11528 bytes |
SHA-256: 6e0d779bd7de660889b65688008e1d108f447a5285b656624dee405b353300c6 |
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