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 0.9988
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://baarspo.ru/wix?keyword=bretonnian+grail+knights PDF link annotation
- https://cdn-cms.f-static.net/uploads/4372696/normal_60186c42be9f5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495413/normal_5fd070735b334.pdfIn PDF document text
- https://cdn.sqhk.co/wufotubi/ghzheSt/tap_titans_2_artifacts_tier_list_2018.pdfIn PDF document text
- https://cdn.sqhk.co/xorilulog/3hitKAs/bombay_chutney_with_potato.pdfIn PDF document text
- https://cdn.sqhk.co/puwidebudojo/xgeKSeQ/9233704413.pdfIn PDF document text
- https://cdn.sqhk.co/jokawefezo/l0ibhiq/open_houses_near_me_friday.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371498/normal_603128d185cf7.pdfIn PDF document text
- https://cdn.sqhk.co/bizufunido/ja1gg6J/get_more_likes_on_instagram_free_trial.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8cff94d3-ecab-4ea5-ad27-d3e67d02fd32.filesusr.com/ugd/2813e2_29fcf88741e549c288c7df9e049afc69.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e3d86085-f59a-4f58-8aae-a746e1906401/how_to_calculate_the_break_even_point_in_excel.pdfIn PDF document text
- https://dd39d194-9042-494f-90ab-223c96cf8da5.filesusr.com/ugd/5d3909_e424173a52db47628d84a6e44c95c286.pdf?index=trueIn PDF document text
- https://6c8ebe11-725c-420b-823a-68bc39d02ad2.filesusr.com/ugd/3e87bf_0d3d0ef5c8d24596a31b48d487875b2d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/filidabut/xuletaleliwosiwawusupupol.pdfIn PDF document text
- https://s3.amazonaws.com/jenagubadopi/32595887595.pdfIn PDF document text
- https://a815f367-2516-4b88-9496-eed07d5c1eb7.filesusr.com/ugd/665c20_b0a07cd532b94af4a824037f40a4bf1a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d4aa356c-e5d0-43c7-85fa-df1dd0962968/pozidupijitujabodasonuw.pdfIn PDF document text
- https://f6b99bba-f064-431f-ab68-6eacb91b2703.filesusr.com/ugd/35e1ce_25dfcf1f73e94dff96e68b4b962bbf42.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gudukupir/comberton_village_college_ofsted_report.pdfIn PDF document text
- https://9d50af6f-dbf7-41ba-b854-83985329a12b.filesusr.com/ugd/33c377_064610364935423cbb8d05770829934b.pdf?index=trueIn PDF document text
- https://56a7be67-7dca-40da-a973-69ad719fb73b.filesusr.com/ugd/fedf23_5528204162cf4ca8835b6aea9ae7589e.pdf?index=trueIn PDF document text
- https://2dcb0092-dd22-4cef-90c1-8c398f802bb7.filesusr.com/ugd/ff3115_00050700bc3f4d13a48e7cb18f50f531.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gupojakami/what_is_the_importance_of_k_to_12_curriculum.pdfIn PDF document text
- https://413f70bc-0247-4a04-a3fc-eabb14e2b93f.filesusr.com/ugd/f18ee6_5ca6e5d256b643a2be3eea05e606f890.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7b8453aa-dbad-4dcd-aa7b-d6b8c3e78a8d/89607498965.pdfIn PDF document text
- https://s3.amazonaws.com/nazekisigiduz/award_certificate_template_deped.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000121e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121E5 | 5060 bytes |
SHA-256: 7fd4a05c1f6b9118a343069af98510aa23919077ef9788b89437bd537cf9055b |
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font_01_sfnt_off00013312.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13312 | 11476 bytes |
SHA-256: 3d2d20d73c3bec36144f1487b849080c8b2dad62ffdc68f070ffb16be5837180 |
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font_02_sfnt_off00015a4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A4B | 16060 bytes |
SHA-256: 84d5bd19c210eb3b73ecc14096ab1e56fdfb5b80ce7ba4f0052c67c0c2b02727 |
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