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://chcial.ru/pbw?utm_term=libro+del+rinoceronte+1 PDF link annotation
- https://simisasokudu.weebly.com/uploads/1/3/4/2/134235492/zimesawaluxozatupi.pdfIn PDF document text
- https://vunemagerubu.weebly.com/uploads/1/3/4/5/134525741/faneda_tubebaduniregiv.pdfIn PDF document text
- https://dusibijerike.weebly.com/uploads/1/3/2/6/132695870/kerarimosumufiw-dawudodesatip-tubafeg-morudi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://likanegi.pbworks.com/f/how_to_prepare_a_manufacturing_income_statement.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e8d18ecd-bac7-41ca-9d22-c59528b3b364/84710822231.pdfIn PDF document text
- http://wojipag.pbworks.com/w/file/fetch/144414081/how_to_use_applied_behavior_analysis.pdfIn PDF document text
- http://mevuteled.pbworks.com/w/file/fetch/144751731/66334505084.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/da6b7379-ca4e-4ba1-b9e4-53548e605f39/sulabudisekopa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/52319579-5fa8-4727-a74b-0a3f222dbc0a/libro_de_frances_5_de_primaria_santillana.pdfIn PDF document text
- http://mavujeridolu.pbworks.com/w/file/fetch/144728946/games_to_play_on_school_chromebook_that_are_not_blocked.pdfIn PDF document text
- http://kuxuraroj.pbworks.com/w/file/fetch/144729243/introduction_to_evolution_worksheet_answer_key.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/30942fd3-2f45-49fd-8d4f-3cce52e2307e/natupamu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f6bd80e-40b1-4d9c-a8ee-c4c06d74d137/how_to_load_a_barnett_quad_400_crossbow.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/16881eb0-d03e-4730-b2ab-dffac2529d2a/i_need_to_renew_my_license_during_covid-19.pdfIn PDF document text
- http://zikupuzajix.pbworks.com/f/xenufitivumanulos.pdfIn PDF document text
- http://pitavumiza.pbworks.com/w/file/fetch/144680262/483605238.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/36478cc8-d231-46dc-9aac-09612c3e0082/kunudipidisevoxoz.pdfIn PDF document text
- http://pevozowo.pbworks.com/f/nidur.pdfIn PDF document text
- http://jesababa.pbworks.com/f/what_does_service_due_soon_a12_mean.pdfIn PDF document text
- http://jitijaloj.pbworks.com/f/free_prenuptial_agreement_template_nz.pdfIn PDF document text
- http://mukonisu.pbworks.com/f/samevisejapaluvinege.pdfIn PDF document text
- http://gatasulupu.pbworks.com/f/skyworth_android_tv_web_browser.pdfIn PDF document text
- http://bopelijexuf.pbworks.com/w/file/fetch/144468771/litasom.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_off0000ef28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF28 | 4468 bytes |
SHA-256: 6681a152abc1b997db8df6d93defa0d52574fb7fd3c252c5be5f2fa6be9c1f10 |
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font_01_sfnt_off0000fe55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE55 | 11900 bytes |
SHA-256: 4d993bab4f77669cfa7b6843c579e2ab1ad36f404e12cc4949f0de2a3e33ae69 |
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font_02_sfnt_off000124e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124E4 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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