MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation. The primary URL, 'https://vilenefex.ru/strik?utm_term=best+python+course+udemy+reddit', is presented as a search result, indicating a lure for users seeking specific information. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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/strik?utm_term=best+python+course+udemy+reddit PDF link annotation
- https://lupawepenotude.weebly.com/uploads/1/3/1/6/131606523/6440747.pdfIn PDF document text
- https://cdn.sqhk.co/dudilirugido/jimRhwR/crash_drive_2_mod_apk_3._55.pdfIn PDF document text
- https://wejanorop.weebly.com/uploads/1/3/2/3/132303338/reman.pdfIn PDF document text
- https://gurugurib.weebly.com/uploads/1/3/1/3/131384113/7618343.pdfIn PDF document text
- https://gozerezujokosas.weebly.com/uploads/1/3/4/8/134856803/bebuvele-pogijevuxowab-tukidige-vinajufatawe.pdfIn PDF document text
- https://cdn.sqhk.co/wagomito/iijjiia/whisper_of_the_worm_quest_loadout.pdfIn PDF document text
- https://cdn.sqhk.co/jotapepikota/c0hcYlx/best_suv_deals_right_now_lease.pdfIn PDF document text
- https://cdn.sqhk.co/mekaxosur/7ijyPKL/37550190946.pdfIn PDF document text
- https://cdn.sqhk.co/bidogefapo/BjiijaJ/fireboy_and_watergirl_forest_temple_2_hooda_math.pdfIn PDF document text
- https://cdn.sqhk.co/nizaveni/hfKiaZK/pinball_3d_windows_xp_download.pdfIn PDF document text
- https://cdn.sqhk.co/javeduner/hhWZrib/harris_jayaraj_telugu_songs_collection.pdfIn PDF document text
- https://lajisoxe.weebly.com/uploads/1/3/4/4/134435468/nutav.pdfIn PDF document text
- https://cdn.sqhk.co/zonurubo/epfhigg/home_design_and_decor_shopping_app_review.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/da1786f1-acea-4859-be0c-67f9f6865a07/pelupemidufawarakejiwo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dfc934fd-ef50-4055-8b05-59531a47c6b7/java_interview_questions_and_answers_for_8_years_experience.pdfIn PDF document text
- https://ab60d57a-1f92-408f-9079-0b325776b613.filesusr.com/ugd/724fb5_515f3a76b7d140f8878c14a84dd678c8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e98b3ea1-bd01-40fd-8dd3-51a5cdcc16e5/jujoniginizog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8039fbb7-5968-46c6-9542-20d4f2913e0c/are_apple_user_guides_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7bf5c987-762f-4d8c-9079-6fd7e38ce1ca/46154868709.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a898f689-531a-42ee-9514-0ee1ee331061/53912538623.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5ae26467-bdbe-45c5-9d86-51d422e238ff/navsea_technical_authority.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f3dc90f-3f6e-495f-bd4b-1da5d879f331/the_game_awards_winners_2014.pdfIn PDF document text
- https://76df98a8-3e94-4eee-a6f5-23e1de06049b.filesusr.com/ugd/54c74c_6c38dd93f9794489bff20b7d86c2d1b7.pdf?index=trueIn 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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011254.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11254 | 6440 bytes |
SHA-256: a606a6dede3b99472d2ac97761204782646b5f75106b48d1abccbe9a99ca9a4c |
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font_01_sfnt_off00012248.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12248 | 5224 bytes |
SHA-256: 9920414b1ba5b217859dbe29aec9ff2b698f306f4fdd72a2fc139c55477929a6 |
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font_02_sfnt_off000133e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133E8 | 3332 bytes |
SHA-256: b9a67c1dd7abaac1d6eb662690a6dd212afbd2067e835402aaa39f27f7d12606 |
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font_03_sfnt_off00014184.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14184 | 11664 bytes |
SHA-256: f1e1f50e28cb969e2475d15b99ccad6a41b627ef058e793de5e2e7a1c0bf0b43 |
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font_04_sfnt_off0001696e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1696E | 16036 bytes |
SHA-256: 9559dd1bd908241551916101fda3d445a26f5c4b506a1423f23393456f9d5940 |
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