MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a heuristic firing indicating it's a link farm on disposable hosting, with a primary external URI pointing to 'https://mezovuduw.ru/award?keyword=thesaurus+dictionary+pdf+free+download'. ClamAV detection as 'Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0' and ML classification strongly suggest malicious intent. The document body, though heavily obfuscated, contains metadata related to 'wkhtmltopdf' and a date, but the primary threat appears to be the embedded URL used for a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://mezovuduw.ru/award?keyword=thesaurus+dictionary+pdf+free+download PDF link annotation
- http://rakadan.sportsontheweb.net/agendas_alternatives_and_public_policies_free.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382003/normal_5ff3ebf43bcf1.pdfIn PDF document text
- http://passive-income.ru/how_to_fix_a_washing_machine_that_wont_spinnwrbx.pdfIn PDF document text
- http://womuvizitina.mywebcommunity.org/spelling_bee_words_2020.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480598/normal_6006b35187b04.pdfIn PDF document text
- http://interbank.link/how_to_clean_a_kitchenaid_convection_oven4pi20.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369788/normal_603cecb02aa4d.pdfIn PDF document text
- http://lovepositions.info/northwest_territory_tent_manualswow2.pdfIn PDF document text
- http://shop-kid-toys.online/how_to_practice_yamas_and_niyamasvyrki.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482625/normal_5fcff617d2582.pdfIn PDF document text
- http://zutolewe.mywebcommunity.org/creative_writing_worksheets_for_grade_2.pdfIn PDF document text
- http://opencabinets.xyz/what_is_meet_and_confer_letterd5m0z.pdfIn PDF document text
- http://vakiduweg.mygamesonline.org/78094414124.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/3bf5a262-6ce4-41bb-b8cd-75a02fe3254a/komolekejalaramisutiper.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd54ab47-63ba-4198-bc20-147138347197/computer_systems_administration_associate_degree.pdfIn PDF document text
- https://s3.amazonaws.com/votuweroxigezog/29521702824.pdfIn PDF document text
- https://s3.amazonaws.com/bufexa/13376832138.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7728aaea-3cd8-46c7-b077-36e19c5d21a3/46713455528.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f763d10-5e01-493a-b18b-00954fcae49f/how_to_prepare_for_12th_board_exam_commerce_in_2_months.pdfIn PDF document text
- https://s3.amazonaws.com/jodabiladezot/decompensated_alcoholic_liver_disease_guidelines.pdfIn PDF document text
- https://s3.amazonaws.com/wovedukevikov/monster_legends_breeding_guide_eggs.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_off00011e85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E85 | 5384 bytes |
SHA-256: 5664c5044ae2eaf67bada7daacfc1e5b2f1297cbab082a4ebcd674c50f4144c8 |
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font_01_sfnt_off000130eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130EB | 12316 bytes |
SHA-256: d1723b65ba804c98fe3008fcf043e94b804eeae1e3a13811a02728730f3631ec |
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