MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to link farms, with one prominent URL being https://huntic.ru/pbw?utm_term=conversi%25C3%25B3n+de+fracciones+a+decimales+ejercicios. The document body, though heavily garbled, contains text related to 'conversion of fractions to decimals exercises', suggesting a lure to disguise malicious intent. The presence of multiple external URIs and link farm heuristics indicates a strong likelihood of redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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 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://huntic.ru/pbw?utm_term=conversi%25C3%25B3n+de+fracciones+a+decimales+ejercicios PDF link annotation
- https://cdn-cms.f-static.net/uploads/4476566/normal_605d7bc537155.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426075/normal_6056e3f515600.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416490/normal_5fdb3dccabc74.pdfIn PDF document text
- https://fudonorovivur.weebly.com/uploads/1/3/4/6/134665028/d5fe7f473c79.pdfIn PDF document text
- https://zonixaroponovan.weebly.com/uploads/1/3/1/3/131398400/pidabedu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375207/normal_601e59ae752a3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4492529/normal_604e470342f0c.pdfIn PDF document text
- https://xopibazoditovo.weebly.com/uploads/1/3/1/4/131406935/608820.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://zexowisam.pbworks.com/w/file/fetch/144426537/44966272907.pdfIn PDF document text
- http://foxobekizax.pbworks.com/f/que_es_una_variacion_de_proporcionalidad_inversa.pdfIn PDF document text
- http://masawumel.pbworks.com/w/file/fetch/144427893/what_is_definition_of_terms_in_research_example.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d05be4ac-50c0-412a-9b0c-fcb07ce2b725/how_do_you_crochet_a_granny_square_blanket_in_one_color.pdfIn PDF document text
- http://togiwuvoze.pbworks.com/w/file/fetch/144468453/67678911279.pdfIn PDF document text
- http://pefagisunel.pbworks.com/w/file/fetch/144487677/bunupetomuvikuxatomoritu.pdfIn PDF document text
- http://podimil.pbworks.com/f/fanofibu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1b0e009d-eeb7-4f01-95ae-d9d5e175e79c/libro_contabilidad_financiera_gerardo_guajardo_cantu_gratis.pdfIn PDF document text
- http://mapijakemifo.pbworks.com/w/file/fetch/144467100/33074852405.pdfIn PDF document text
- http://risuxujuvu.pbworks.com/f/restaurant_toilet_cleaning_schedule_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8972e667-3911-4500-8cd3-f27a43fef0f2/wijakejiwonujovom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3659ec6-5d46-4e2b-a6d3-e82caa1eabd6/black_and_decker_circular_saw_blade_installation.pdfIn PDF document text
- http://zekodunu.pbworks.com/f/xekudekivesesaxiliwet.pdfIn PDF document text
- http://beratirupo.pbworks.com/f/japubezasufevun.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_off0000e141.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE141 | 5172 bytes |
SHA-256: bc0fba66e9fc5f15769a557044868552d93f4aba995c8be2ce35b68571c72402 |
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font_01_sfnt_off0000f283.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF283 | 11676 bytes |
SHA-256: ec68be11cb8e7f7c4c1a1c82a53b0856e44fd91e42227d18ab2ebe296be46f85 |
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font_02_sfnt_off000118d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D9 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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