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 high-confidence ML classifier and ClamAV, indicating malicious intent. The PDF contains numerous embedded URLs, many pointing to disposable hosting or domains with unknown reputations, suggesting a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the attack pattern of directing users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://nipisod.ru/award?keyword=gce+a+level+physics+challenging+drill+questions+yellowreef+pdf PDF link annotation
- http://nuxuzuruguli.mypressonline.com/xukufutafosuni.pdfIn PDF document text
- http://vudifabofugejij.medianewsonline.com/data_acquisition_system_book.pdfIn PDF document text
- http://tetoxukipim.getenjoyment.net/40700292673.pdfIn PDF document text
- http://tiluvopira.medianewsonline.com/the_thrilling_adventures_of_lovelace_and_babbage.pdfIn PDF document text
- http://fafabil.getenjoyment.net/chhattisgarh_budget_2020_19_in_english.pdfIn PDF document text
- http://rasudilikid.mywebcommunity.org/kakemipiwitaxajel.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://s3.amazonaws.com/sixenogafopoj/como_hacer_una_composicion_escrita_en_ingles.pdfIn PDF document text
- https://7ef5d8b8-74ac-4e0a-b0a0-fa61ca6462a8.filesusr.com/ugd/23e9be_221570477e34498e861cddcc80626837.pdf?index=trueIn PDF document text
- https://0e8f88b9-656e-4b05-9cd8-8bd477f85547.filesusr.com/ugd/95b9ea_59db2a6c03214e30b05fc703c01f37cb.pdf?index=trueIn PDF document text
- http://nixomirorubu.myartsonline.com/38527521698.pdfIn PDF document text
- https://5e54824a-8208-41b0-8aeb-7c017e8cfb46.filesusr.com/ugd/f64db8_cba6aa472e444d729123126a0ea9c3ed.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fejakixoweka/gafubusuxabubame.pdfIn PDF document text
- http://mozutulobiris.onlinewebshop.net/hikvision_access_control_system.pdfIn PDF document text
- https://c83cbd6e-a134-4b49-ba12-49f24c654ad9.filesusr.com/ugd/904a8b_7a30ca85dcda4920ab66ac85bf85de8d.pdf?index=trueIn PDF document text
- https://8eefcaf3-52f5-4123-8be5-b1f0aaeea45e.filesusr.com/ugd/1d3654_4b3669de139e494ca9123c28a47034fc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/08d656e8-558c-46a4-9677-9a9146b1cd7d/ridopowuvi.pdfIn PDF document text
- https://s3.amazonaws.com/semuxemakaw/gutakosetobajakamutuposu.pdfIn PDF document text
- https://f43304fd-85e4-489a-8612-81977e01be4a.filesusr.com/ugd/b6f504_36ef916be0be4b2bb30624319db870e8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b0d06fdb-d20a-46c1-9977-9361986628e9/85575292321.pdfIn PDF document text
- https://s3.amazonaws.com/zifozujiwi/bangla_bukhari_sharif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2a1cce98-1f21-4587-879f-87689f571e42/how_to_restore_ipod_nano_7th_generation_with_itunes.pdfIn PDF document text
- https://9170d309-caca-4186-8987-bf6b40ce219c.filesusr.com/ugd/baef12_75695600067c42aeacd0a597a52c3fcc.pdf?index=trueIn 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_off0000d908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD908 | 5708 bytes |
SHA-256: 3807626e74fca31c6e09d2fee7eb0e9d494dbd10c8ab0b4981fff7858a020c11 |
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font_01_sfnt_off0000ec78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC78 | 11016 bytes |
SHA-256: e8d21361e7f185944e793841a435744d0ac529a5a711871805503c19dcb328cc |
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font_02_sfnt_off00011212.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11212 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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