MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to disposable domains, suggesting a link farm or phishing operation. The PDF structure and embedded content, despite being heavily obfuscated, are indicative of attempts to redirect users to external, potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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 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/award?keyword=design+and+analysis+of+algorithms+pdf+notes PDF link annotation
- http://reduslim-ufficiale.website/sat_chinese_sample_testtroo1.pdfIn PDF document text
- http://trikolor.site/does_juicy_fruit_contain_gluten2yx1v.pdfIn PDF document text
- http://the-job.ru/95895955694ykzv0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480414/normal_600032d843887.pdfIn PDF document text
- http://naturalik.fun/8178477147737efn.pdfIn PDF document text
- http://site-shop.xyz/digital_signal_processing_using_matlab_and_waveletss3cm3.pdfIn PDF document text
- http://1xbet-registr.site/33572214642x6ww6.pdfIn PDF document text
- http://vivudanu.scienceontheweb.net/dagusibunanaxafilifalo.pdfIn PDF document text
- http://tarekupi.scienceontheweb.net/75340546517.pdfIn PDF document text
- http://ukrdomonis.xyz/nexus_mod_manager_dark_souls_2_scholar_of_the_first_sin804v4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486987/normal_5febb2b93bb81.pdfIn PDF document text
- http://myfoxing.online/pufemexaebo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446016/normal_5feb574aafd01.pdfIn PDF document text
- https://cdn.sqhk.co/kivipemo/yUjhOie/kidafodalatariforinoporeb.pdfIn PDF document text
- https://cdn.sqhk.co/vojofarakiva/KghehiA/new_bengali_movie_villain_all_song.pdfIn PDF document text
- http://kefets.xyz/nuromixurudikumiwodizaj357r.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418993/normal_5ff095eab75b1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471275/normal_60142fd560302.pdfIn PDF document text
- http://hookup750.website/doxapolomewtgy4z.pdfIn PDF document text
- https://fujemolubese.weebly.com/uploads/1/3/4/0/134012375/pozuruwoxewa-wopokuzof.pdfIn PDF document text
- https://nosuzodudoj.weebly.com/uploads/1/3/4/5/134588086/1160075.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vidugozu.atwebpages.com/vocabulary_builder_activity_ancient_egypt_and_kush_a._content_vocabulary_answer_key.pdfIn PDF document text
- http://beliraguw.onlinewebshop.net/post_thyroidectomy_complications.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
- 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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f195.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF195 | 6744 bytes |
SHA-256: b29f9350a720d2da9dc50567d08c4a82684db1fcb28a47e3a5788345b392d808 |
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font_01_sfnt_off0001027a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1027A | 5556 bytes |
SHA-256: e92ba1df85020445a769e09c89e0f590d0e3dbfc6dd70beb15f4f1e109472b9f |
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font_02_sfnt_off00011544.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11544 | 11548 bytes |
SHA-256: ac07a4ccea69ed7d2dec385b54ee2f3b7281e8f983752de27d5c8d9bb7320ab3 |
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