MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users. The presence of 'Avast antivirus free 6 month trial' in the document body and associated URLs indicates a lure for potentially malicious content or phishing. ClamAV and ML heuristics confirm the malicious nature of the PDF, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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/123?utm_term=avast+antivirus+free++6+month+trial PDF link annotation
- https://kuwepokipeluzil.weebly.com/uploads/1/3/0/9/130969114/zamixilevojus-rosebenojinigo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420451/normal_5fce191c61433.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366639/normal_601a0f5e15b12.pdfIn PDF document text
- https://foxidaxoluw.weebly.com/uploads/1/3/4/0/134016742/tideduxobajusid.pdfIn PDF document text
- https://povitopol.weebly.com/uploads/1/3/4/6/134648875/324607.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4381287/normal_5ff9c07f5cafb.pdfIn PDF document text
- https://vokafevevuw.weebly.com/uploads/1/3/4/3/134320681/zajoxetux.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447433/normal_604146d213445.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470982/normal_604ae938555b5.pdfIn PDF document text
- https://nitogufufuwal.weebly.com/uploads/1/3/3/9/133997090/rodif-daloregoku-vufofaputurun-dopopiwivil.pdfIn PDF document text
- https://pirivelel.weebly.com/uploads/1/3/4/5/134505874/gigujurelig-nebeza.pdfIn PDF document text
- https://jagobedumaniso.weebly.com/uploads/1/3/0/8/130873939/8258078.pdfIn PDF document text
- https://vafebukuwu.weebly.com/uploads/1/3/1/1/131163563/luwadi-gijize.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4457839/normal_60aff66661ec9.pdfIn PDF document text
- https://kowedogade.weebly.com/uploads/1/3/4/8/134879104/xorirejefobo.pdfIn PDF document text
- https://mejuxubewa.weebly.com/uploads/1/3/4/0/134041058/rotona.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/66fc29f3-732d-4986-b1bf-be391a412de3/what_are_the_characteristics_of_romanticism_poetry.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0363687d-a037-4d2e-98ee-120ee5906730/nozisejikavukuwifikeduzi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4008de02-3b66-4338-b3e8-2270bd33a439/go_math_standards_practice_book_grade_5_answer_key.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/76827302-d91e-479e-91cf-1be6aec03613/90318368256.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/42e833d3-43a8-4171-8e01-67de897ce6b8/miss_marple_a_murder_is_announced_1985_locations.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b53ceae-b348-4b9c-b87d-18e369894e09/what_is_imitation_of_christ.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6b7b9c54-f019-461b-9ee0-028c6f26ee44/69786552366.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_off0000f5a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A9 | 5208 bytes |
SHA-256: 100be9c630fc514609837cad9a457c51eff042da271acb1a3f916a0f4b0ad13b |
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font_01_sfnt_off0001073e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073E | 10864 bytes |
SHA-256: f8bde1fa0ab635512675ac59b676cf84a08f7d1cffa6c16505442768bb66b5f9 |
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