MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing campaign. The ML classifier and ClamAV both flagged this as malicious, with ClamAV identifying it as a Pdf.Phishing.Trojan. The document body, though heavily obfuscated, contains references to 'wooden butterfly knife template' and 'wkhtmltopdf', indicating a lure to potentially malicious content. No scripts were extracted, but the extensive link farm points towards an attempt to redirect users to malicious sites.
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://vilenefex.ru/123?utm_term=wooden+butterfly+knife+template PDF link annotation
- https://nanupiwe.weebly.com/uploads/1/3/1/6/131606486/donub.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384472/normal_6018e651bfe42.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4467019/normal_5fec571c35430.pdfIn PDF document text
- https://jukonejidar.weebly.com/uploads/1/3/4/8/134876273/1036268.pdfIn PDF document text
- https://givodopularolot.weebly.com/uploads/1/3/7/5/137508410/jozirasarujepofewez.pdfIn PDF document text
- https://bajerezera.weebly.com/uploads/1/3/4/0/134016740/80df54c.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4473926/normal_60b32c5b4c994.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fubajulak.pbworks.com/f/68442470957.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7da70198-86e9-4e95-b3d5-543917d76724/19206578287.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1738c1bf-6150-4c61-96ba-af0353da6d0f/star_wars_ahsoka_lightsaber_toy.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/967019a1-da11-4d78-93a0-8a272ed1ba40/oscar_et_la_dame_rose_brief_4.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8e81445-8e84-4be1-9949-ef913159901c/cc_convert_ml_liquid.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6ca7d299-2c89-415e-8cca-760ce2fcf9d7/what_ingredients_are_in_coconut_oil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e833fcfb-b62a-4a8c-a501-f84ee7696eb4/how_long_do_chicco_car_seats_last_before_expiring.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cf36bdd7-9966-4b7a-941a-f138231d0425/software_testing_course_fees_in_pune.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/edc34639-1e3d-4a55-8f7a-c736de4b9ba4/are_rose_bears_made_of_real_roses.pdfIn PDF document text
- http://wusagem.pbworks.com/w/file/fetch/144440556/modern_auditing_and_assurance_services_5th_edition_solution.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef1e90c9-ac18-4bcb-9cf5-33ce93cc3ae4/how_to_analyse_visual_analogue_scale_data.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5577a224-5f83-48fa-9e3d-be59bec69920/fast_maths_calculation_tricks_book.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_off0000d76d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD76D | 5328 bytes |
SHA-256: 29e15abc395a554763e2c96c0c0e540dcd93b7e0b50eeed4ca5fb8ec85ef4850 |
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font_01_sfnt_off0000e986.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE986 | 10548 bytes |
SHA-256: 522bbeb9e4ee1ae1bd7d91e80204d4a30bede921a2344ef2ae324609d20d65b4 |
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