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 0.9991
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/strik?utm_term=how+many+polar+bears+were+there+50+years+ago PDF link annotation
- http://waystep.site/ansi_150_flange_dimensions_in_mm9sz75.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417995/normal_603f2317b8966.pdfIn PDF document text
- http://digovin.getenjoyment.net/76608290752.pdfIn PDF document text
- https://cdn.sqhk.co/tadeketoxab/MjgNS1d/don_t_touch_my_phone_wallpaper_scary.pdfIn PDF document text
- http://geesecam.com/elementary_linear_algebra_anton9ijgb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379618/normal_602fe1e2b10fe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370087/normal_602bf65f539c3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420915/normal_600fdb3c46872.pdfIn PDF document text
- https://cdn.sqhk.co/vowibesep/Fifjfa7/movie_collection_software_free.pdfIn PDF document text
- http://lnstagramcopyrightservices.org/6052787785728ac5.pdfIn PDF document text
- http://gelufose.scienceontheweb.net/sivupirawegazikokigetu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403406/normal_600414f74b57d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://2cc3dcad-61c1-4442-8662-ca5be7cd8672.filesusr.com/ugd/71b93f_41c77ee393674a2397614be1f9b91e76.pdf?index=trueIn PDF document text
- http://gewutikuwa.rf.gd/medepupaxinixif.pdfIn PDF document text
- http://vafosune.rf.gd/gizidogodaredutot.pdfIn PDF document text
- http://gibidapasajug.atwebpages.com/ethical_utilitarianism.pdfIn PDF document text
- http://zijedan.atwebpages.com/nodipiwadivoleze.pdfIn PDF document text
- https://c1908cc8-b41e-4b5b-ab1c-53d28a7f2745.filesusr.com/ugd/913720_34cf3840452a4f16b62796c99cb015f3.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 6
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012d3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D3D | 6416 bytes |
SHA-256: 4257b5aed261ccb96d7b6b52587b843e34ad9d65b35b79aec213b77d78697daa |
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font_01_sfnt_off00013d11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D11 | 5792 bytes |
SHA-256: ecf523d9b1d79fe5431f89907a05c027c1c515a392600c42bd00e21ce50e72a2 |
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font_02_sfnt_off000150a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150A7 | 9360 bytes |
SHA-256: 41be3306dc8a72ed47cf7efdcb0492975044c9ec7346821c3f23fc6918592a5d |
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font_03_sfnt_off00016ea5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16EA5 | 11152 bytes |
SHA-256: 5a3b8006a37b66321e80a960d641ee22cffb6f5315236c7c57b31902e3583605 |
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font_04_sfnt_off000194e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x194E2 | 16256 bytes |
SHA-256: d9b6788e98d720ed34e7048aeb7a337db0b6f87b8f940ce258886e614f67cbc8 |
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font_05_sfnt_off0001aa40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AA40 | 1736 bytes |
SHA-256: 551918360585b1590efa6fd2a215345b2f702067d151a0e4b48cfa7490b57960 |
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