MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. The primary malicious URL identified is https://jumiwimov.ru/123?utm_term=scientific+classification+of+maize+pdf, which is likely used to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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 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://jumiwimov.ru/123?utm_term=scientific+classification+of+maize+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4527237/normal_601a55a8d37b4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383340/normal_601886e518e39.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485445/normal_600f032b2a301.pdfIn PDF document text
- https://zozovuxogufeduw.weebly.com/uploads/1/3/4/7/134766710/xibososomowokin.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499629/normal_5fda754e10da6.pdfIn PDF document text
- https://dukinuvofipul.weebly.com/uploads/1/3/2/7/132711936/7070542.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/ce6f00ec-4f56-49c5-9b0a-188420104a71/reading_comprehension_worksheets_1st_grade.pdfIn PDF document text
- http://lopofemusun.pbworks.com/f/math_worksheets_grade_5.pdfIn PDF document text
- http://vipafuwusawe.pbworks.com/w/file/fetch/145113822/zimipagefififafava.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/188a65ca-b095-46ae-8593-2bbaaba75b6a/feputinofelefa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5681a735-c8f7-4376-aa5d-4de68121ce43/28935275911.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b0c50cda-53c6-4333-aa65-420a70061577/mtd_tractor_parts_diagram.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cecbcd8f-26cc-416e-a463-41c0aa2368e5/bimibakibenefepunapomafed.pdfIn PDF document text
- http://rezedul.pbworks.com/f/25277423937.pdfIn PDF document text
- http://gabekujijud.pbworks.com/w/file/fetch/145278096/digarujaxijibik.pdfIn PDF document text
- http://banusiv.pbworks.com/w/file/fetch/144446088/59415147483.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/898a0ff4-bc71-43fd-806b-afb4b71d3324/vonolegu.pdfIn PDF document text
- http://seromazu.pbworks.com/w/file/fetch/145148583/xoxivosakow.pdfIn PDF document text
- http://jazufawaroj.pbworks.com/w/file/fetch/145192272/mythical_names_starting_with_a.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01454a58-c33e-416b-87a3-a77f3f55135c/the_drummer_boy_of_shiloh_test_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e523e0a-05a9-4c23-bad9-e734cb0786d4/how_to_draw_a_person_on_procreate_for_beginners.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010f38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F38 | 5356 bytes |
SHA-256: 94815964c545666e9352e6ada5be8d031b2d200938fa70345d07292ed329b7d1 |
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font_01_sfnt_off0001216d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1216D | 11480 bytes |
SHA-256: cc88862ff188fbb562aa45f0def98df925e2ae8994e98c3dbc60ea2677a50e11 |
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