MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it likely exploits a vulnerability or contains malicious links. The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The primary URL, 'https://zajinet.ru/award?keyword=aldous+huxley+doors+of+perception+free+pdf', appears to be a lure for users searching for specific content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://zajinet.ru/award?keyword=aldous+huxley+doors+of+perception+free+pdf PDF link annotation
- https://cdn.sqhk.co/javomekoru/jeuhcij/worship_music_about_prayer.pdfIn PDF document text
- https://cdn.sqhk.co/silakozafi/XgcjgiR/49442333238.pdfIn PDF document text
- http://makamar.tech/24442712274gjgva.pdfIn PDF document text
- https://cdn.sqhk.co/foropogajag/YjcUJsr/simple_electric_circuit_diagram_symbols.pdfIn PDF document text
- http://dle-tpl.site/51830920854vhphw.pdfIn PDF document text
- https://cdn.sqhk.co/kinibemazoz/gjfpVq0/dinajunokulitezi.pdfIn PDF document text
- http://hookup153.space/kilibesijewile26sf.pdfIn PDF document text
- http://sevowina.medianewsonline.com/sotefavagob.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://forezepolutaju.onlinewebshop.net/java_an_introduction_to_problem_solving_and_programming_7th_edition_by_walter_savitch.pdfIn PDF document text
- https://s3.amazonaws.com/pubopelej/burgener_warm_up.pdfIn PDF document text
- https://9d1e48ad-bcd7-4831-9b7b-7108443a63b6.filesusr.com/ugd/136d07_56d94ca6d2624d01ad27f38c80cb601c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f6b5485c-8faf-45f9-86da-a32ad54b3ede/11067802975.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3eb562d-3cd3-462f-9100-5bc18efdb79f/23698031497.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d7e11f5-cdaa-4739-bf86-4acb322e876c/2013_ultraslim_docking_station_drivers.pdfIn PDF document text
- http://futikuzita.onlinewebshop.net/watinovowe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b0ab054e-a328-4dc2-8e93-d0f35d302732/24779645188.pdfIn PDF document text
- https://s3.amazonaws.com/gasodamuza/reading_plus_answers_level_h.pdfIn PDF document text
- https://57933e30-1e86-4cbe-ad2b-777cb72f9932.filesusr.com/ugd/235f1a_cb6acee3ca2e4d519df285f7d800508d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/208d6a4e-b09f-4ff5-a6b2-b17210cca8e5/list_of_paladin_oaths_5e.pdfIn PDF document text
- https://45180a89-8b92-4d54-a4c6-cdf0ad6af3c7.filesusr.com/ugd/2b98a3_562e0df9f2ef4f4e851e32c2ce4025f2.pdf?index=trueIn PDF document text
- https://bd7a0a6f-bbfd-49cc-ba41-c3f2778102d9.filesusr.com/ugd/9ea91e_8ffbc0f8a1814af0aeafdc68a217c30a.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
- 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_off0000ec22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC22 | 5192 bytes |
SHA-256: 8bdfb4bde557811fd1ff1d53b5ec68431d670f96f2450c4051bd47307a1f62b4 |
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font_01_sfnt_off0000fdd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDD5 | 10556 bytes |
SHA-256: 9e5f0959a264fbafb5be4f8a58895ebe906b45a73716000f6934558c40b7c27a |
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