MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as a malicious PDF by multiple heuristics, including a critical ClamAV detection and an ML classifier. It contains numerous external URIs, with a primary focus on downloading content from 'zajinet.ru' and 'naliputa.mywebcommunity.org'. The PDF appears to be a link farm, attempting to disguise its malicious intent by presenting itself as a document related to educational materials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/wix?keyword=dynamic+korean+workbook+1+answers+pdf PDF link annotation
- http://naliputa.mywebcommunity.org/16118959089.pdfIn PDF document text
- http://vomidujoma.scienceontheweb.net/gipuzokika.pdfIn PDF document text
- https://datulexajolibup.weebly.com/uploads/1/3/0/7/130738708/d2a2a7ba05a057.pdfIn PDF document text
- http://nakalabaxis.mywebcommunity.org/can_you_really_make_someone_fall_in_love_with_you.pdfIn PDF document text
- http://gopusoduj.mygamesonline.org/15198249622.pdfIn PDF document text
- https://nizevamil.weebly.com/uploads/1/3/2/8/132814567/tufitojirezofag.pdfIn PDF document text
- http://zokazurimila.mygamesonline.org/real_estate_agent_pre_license_course.pdfIn PDF document text
- http://muzumekowasisig.iblogger.org/strategic_thinking_in_business.pdfIn PDF document text
- http://noninegu.22web.org/el_nombre_de_la_rosa_pelicula_completa_en_castellano_umberto_eco.pdfIn PDF document text
- http://tunapobene.22web.org/sql_server_tutorial_kudvenkat_blog.pdfIn PDF document text
- http://zeriwegitesokom.iblogger.org/blind_man_s_bluff.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xatabiraluxuded.rf.gd/zujovugatimu.pdfIn PDF document text
- http://pibusobi.epizy.com/watolazubikojasejev.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f3e84fb-3e33-4fa9-9c6c-a1005c5c35d1/69399236916.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/58f0709f-48f8-444f-9e2e-a3e05ebeeac7/lexaxovelukabexezumomiru.pdfIn PDF document text
- http://sulumasofip.epizy.com/92706909509.pdfIn PDF document text
- http://kugixuxekut.rf.gd/41032559107.pdfIn PDF document text
- http://fubolorira.epizy.com/love_after_love_poem.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c24cea65-5e67-49bd-ad33-afba7c06c415/pifol.pdfIn PDF document text
- http://xofaxozewodaf.rf.gd/treble_clef_bass_clef_worksheet.pdfIn PDF document text
- http://zejekaliv.epizy.com/kojawivawufipegumepiwemod.pdfIn PDF document text
- http://rurubafemiw.rf.gd/horizontal_progress_bar_android_studio.pdfIn PDF document text
- http://jalugegaru.epizy.com/senisasovisojobejeranap.pdfIn PDF document text
- http://vudafudilisa.epizy.com/judezisar.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF95 | 14612 bytes |
SHA-256: cf56a69ada97eea7dffd03f909276c6520d1b6fa7bbeb0ffbd56a01dda716202 |
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font_01_sfnt_off00011c8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C8D | 5716 bytes |
SHA-256: c922ec96a203469da67c1ed281588cff2a76b500d24381050b672821b685fc57 |
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font_02_sfnt_off00013016.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13016 | 11752 bytes |
SHA-256: d278d8dcb855438ed031872d8a048f5429a5a541459e5618b189cca95bbe191d |
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