MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous embedded URLs, with one prominent URL pointing to 'crophysi.ru' which is likely part of a phishing or scam campaign. The presence of PDF_SEO_DISPOSABLE_LINK_FARM suggests a link farm designed to obscure the true malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crophysi.ru/strik?utm_term=old+school+runescape+gold+prices PDF link annotation
- http://datofifuvekone.22web.org/tablature_guitare_asturias.pdfIn PDF document text
- http://wozovumorawoka.sportsontheweb.net/auricular_acupuncture_chart.pdfIn PDF document text
- http://nosumiva.mywebcommunity.org/car_salesman_training_manual.pdfIn PDF document text
- http://fozakewugumomig.22web.org/39714890240.pdfIn PDF document text
- http://pubgmobiie.com/rainbird_5000_spec_sheetyeshe.pdfIn PDF document text
- http://abreudesigns.com/kafuginesuwujubtuk5w.pdfIn PDF document text
- http://wubowobipevoto.mywebcommunity.org/graphing_absolute_value_inequalities_worksheet.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
- https://uploads.strikinglycdn.com/files/0d621339-64ab-40a9-af8e-a9e46be87885/54712003974.pdfIn PDF document text
- https://cd489911-dc6d-4439-b408-84622343fb93.filesusr.com/ugd/d8e941_b10643d047934865b3dfaba39d51af89.pdf?index=trueIn PDF document text
- https://e6676b24-921d-4f57-8fca-beda98688f3c.filesusr.com/ugd/144d27_144f884d3cc44cf9a4374836c858517d.pdf?index=trueIn PDF document text
- https://c480cc3d-c044-45b7-a7fa-747782367dcd.filesusr.com/ugd/a26f59_dbaadc74709749b98c4ad5dcadc44c8e.pdf?index=trueIn PDF document text
- http://rujuramu.rf.gd/alternative_investments_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/570e9bb3-faa9-4866-91d3-afed264b5c28/neranuvewebev.pdfIn PDF document text
- https://s3.amazonaws.com/kalanejaxutilif/visual_basic_coding_book.pdfIn PDF document text
- https://db6d201d-bdff-4648-9982-d9cfaac7639e.filesusr.com/ugd/98857b_a717c18438c347ecb2191a25cea4f479.pdf?index=trueIn PDF document text
- http://sexukajin.epizy.com/skype_for_business_basic_msi.pdfIn PDF document text
- https://s3.amazonaws.com/wovisak/1235291498.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0d1377a8-5ca2-4cdd-8084-160dcb717536/gas_law_formulas_cheat_sheet.pdfIn PDF document text
- https://8dfd47f4-e591-4377-92a3-bdbf91d41e5a.filesusr.com/ugd/a58b01_6763e514467847038db1ce38eb7f94f0.pdf?index=trueIn PDF document text
- http://zedowep.atwebpages.com/spanish_days_of_the_week_and_months_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/28949dc3-ac38-48df-a6bf-7e18e62a39bd/bluejacket_shipcrafters_css_alabama.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_off0000f4d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D0 | 5164 bytes |
SHA-256: 2d12b0b266178fb062c58f7833d808b81cf03d57be4cbe1baf6ac0d8af8dbec6 |
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font_01_sfnt_off00010645.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10645 | 11112 bytes |
SHA-256: 44a1f642a64b0c1fe92bb0b984c13ac142a81c8faf1c3acd8861e5d9aab41cc1 |
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font_02_sfnt_off00012c4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C4D | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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