MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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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 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://nipisod.ru/strik?utm_term=new+lonely+planet+books PDF link annotation
- https://cdn.sqhk.co/ragejeli/hejfOyC/fugajimexetavepisetopudim.pdfIn PDF document text
- https://cdn.sqhk.co/mugegiduveb/ajcKbhf/mortal_kombat_xl_xbox_one_controls.pdfIn PDF document text
- http://zomolejefej.mywebcommunity.org/96748113661.pdfIn PDF document text
- https://cdn.sqhk.co/dakuwuwuzije/4whhhjj/hungry_shark_evolution_special_sharks_cheat.pdfIn PDF document text
- https://cdn.sqhk.co/dagozuwemep/ejeJ51z/ninja_prime_tap_quest_codes.pdfIn PDF document text
- http://goladelexugezi.sportsontheweb.net/vatofasukobigukuwudani.pdfIn PDF document text
- http://gowanenutik.mypressonline.com/xefuxarel.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f55c6975-0091-4942-a106-dc80285e5f9d.filesusr.com/ugd/8a4248_b948b70104324c26bb5d861783b21219.pdf?index=trueIn PDF document text
- https://c4a5d104-04f9-44e6-b03f-1f5edac3680f.filesusr.com/ugd/f23921_f3f14e0aa6d64326a036c4cc08a6431e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/73e20099-9bad-4cbe-9571-5436625e201a/what_is_the_restful_web_services.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a7058f5a-01ba-403e-a39a-34934d314b35/gardens_of_the_moon_review_reddit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/952dd9d4-0d75-4537-a8dc-25e71850cb0d/gikegedefijigevake.pdfIn PDF document text
- https://855e1e5b-0daf-4dce-aa73-dfad2bfec5df.filesusr.com/ugd/ced2dc_19f07a3352cb49f8bc86c063354b8429.pdf?index=trueIn PDF document text
- https://580b68e3-2104-4118-ae5b-4f285de1c062.filesusr.com/ugd/dad7b5_c0ed2ec116044e7597f37835d1fa67da.pdf?index=trueIn PDF document text
- https://1094d5c0-a920-47c7-a1de-7e2d56a92d84.filesusr.com/ugd/47b1e8_581dca84fdc848b2a16ac65ba5b20bdc.pdf?index=trueIn PDF document text
- https://6bc553e5-d0de-4278-827a-c77c8eb32fbd.filesusr.com/ugd/4a6c57_98c684d37e0c4770ab03f6208bb2e8c7.pdf?index=trueIn PDF document text
- http://retipike.rf.gd/jakulurubapiboluginifani.pdfIn PDF document text
- http://vefajed.rf.gd/list_of_connectors_for_academic_writing_sites.pdfIn PDF document text
- https://dbb1fad9-9c05-458f-9e32-bc0b7f65d7ec.filesusr.com/ugd/451461_ec7ddf230bed44eaa040c53b79189700.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7c115842-636e-4267-a5eb-bbf7ce319b94/sodikewadepuxurijubon.pdfIn PDF document text
- http://zupitatip.atwebpages.com/94778097049.pdfIn PDF document text
- http://mojozore.myartsonline.com/how_to_program_honeywell_thermostat_th4110d1007.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_off0000eae1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE1 | 5084 bytes |
SHA-256: 735621310b644fc8cccc67e9dc4c9b59d62d9687cdbb62042d5a494b79e29a0e |
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font_01_sfnt_off0000fc5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC5A | 11952 bytes |
SHA-256: 4fb4ed8a34922e31fd99f13fa19e99583d0060dec16783c2491bfaee53be7ac5 |
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