MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which are SEO-optimized and point to other PDF files, suggesting a link farm or phishing lure. The primary URL, 'https://maypoin.ru/award?keyword=acrobat+pdf+reader+free+download+for+windows', is presented as a download for Acrobat Reader, which is a common social engineering tactic to trick users into downloading malware. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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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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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://maypoin.ru/award?keyword=acrobat+pdf+reader+free+download+for+windows
- https://cdn.sqhk.co/nemoludajedu/hf0jdVu/nanazediwilosuvexu.pdf
- https://static.s123-cdn-static.com/uploads/4455180/normal_5fe4933538508.pdf
- https://cdn.sqhk.co/pigajifaw/4jdIqZW/gusawogubi.pdf
- https://cdn-cms.f-static.net/uploads/4426699/normal_600ebd8278c7f.pdf
- https://cdn.sqhk.co/jasurisunav/smjcNNN/switch_using_scanner_in_java.pdf
- https://cdn.sqhk.co/dozirerom/jegjjij/water_slide_car_stunts_racer_download.pdf
- https://cdn.sqhk.co/lofesaxudiwo/jjjfRDp/vestige_best_deal_online_shopping_mobile.pdf
- https://cdn-cms.f-static.net/uploads/4426543/normal_5fd137f48e94b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://7a3463bf-3117-47cc-940f-ad9d50d05675.filesusr.com/ugd/9f2514_d26563a728b440f282a8672bb49f101d.pdf?index=true
- https://s3.amazonaws.com/genukopapovixo/ruger_sr22_walther_p22_comparison.pdf
- https://7fd92c66-d3af-485c-b7a9-31529ddfb1b5.filesusr.com/ugd/997d0f_90de466f0df149ecbb88da3b9a14aeae.pdf?index=true
- https://uploads.strikinglycdn.com/files/b25fff41-1367-4d48-9ac4-3d3b2f480f80/death_note_characters_real_movie_l.pdf
- https://d3826037-6016-486c-99e9-dc41bc666644.filesusr.com/ugd/b81754_e979ea84809a4485979ea2a6023952b6.pdf?index=true
- https://s3.amazonaws.com/gotijejaj/boolean_in_sqlite_android.pdf
- https://s3.amazonaws.com/vavale/11409531088.pdf
- https://uploads.strikinglycdn.com/files/e4508709-f3a7-43a5-8b73-9504b62a26eb/harrisons_principles_of_internal_medicine_20th_edition_volume_1.pdf
- https://s3.amazonaws.com/fofeguj/10940728333.pdf
- https://s3.amazonaws.com/xixonu/mele_kalikimaka_violin_sheet_music.pdf
- https://s3.amazonaws.com/divexikav/15691716405.pdf
- https://d09251a9-b09e-4077-8ccb-24037f005f7b.filesusr.com/ugd/a6ce17_8d121d39aad64057b30db4e595be37d7.pdf?index=true
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eba5.bincf23fd58bd35feea74cb5794ecee53f72c514bc378401f6afc73bb80706cd5b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBA5 | 5372 bytes |
font_01_sfnt_off0000fe07.binededa5935e3be1d81673287665bba494f2c6d2d14f1966fa5143b9aa142b7240 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE07 | 10308 bytes |
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