MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, with a primary external URI pointing to 'xajibur.ru'. Heuristics indicate this PDF is part of a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://xajibur.ru/strik?utm_term=behringer+xenyx+q1202usb+software+download PDF link annotation
- http://alphabitx.com/nimozivina74u5m.pdfIn PDF document text
- https://cdn.sqhk.co/nukunudakiju/V1URijH/minecraft_worldedit_plugin_tutorial.pdfIn PDF document text
- http://naturka.space/weekend_getaways_in_nc_for_couplesksu1d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374369/normal_5fd34e4cbaaad.pdfIn PDF document text
- http://itwow.info/7302072690532cym.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376101/normal_604f0a84c9f55.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366007/normal_5ffe0f3b3d9e3.pdfIn PDF document text
- http://albl.ru/business_law_class_notesmyeb6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389804/normal_6046e86a71938.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373248/normal_60534f7dd9d54.pdfIn PDF document text
- https://cdn.sqhk.co/letaziseb/YFqidRU/41950416258.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/92b56b95-3547-4539-9bb0-125b8a12a3af/98568009435.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af2f5ae1-13cb-444a-930e-2ec32f0a089c/99194740981.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bafbb3ab-6a50-4bff-ba63-b1d2d7785586/piano_adventures_level_3a_lesson_book.pdfIn PDF document text
- https://s3.amazonaws.com/dujepav/coupon_template_powerpoint.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1c3f535f-bb6e-42cc-beb8-1d2025bb62e8/how_to_train_your_dragon_homecoming_trailer_release_date.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c5ee5b12-b901-489b-8c86-471aae949542/canon_mx922_change_print_head.pdfIn PDF document text
- https://s3.amazonaws.com/fajonubinomeder/42899343907.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e822b078-4a0e-4c04-a30d-5622492253d8/nisabokejejita.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/214d86a5-d093-4746-99d2-af03d241b63f/wukisazaboji.pdfIn PDF document text
- https://s3.amazonaws.com/tobito/connected_dots_after_effects_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e090455-6fb3-4e17-9622-8887678f5c5b/pafigijanuvane.pdfIn PDF document text
- https://s3.amazonaws.com/wixamupelinere/formato_cedula_venezolana_editable.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fddbeaed-a389-4f41-b51f-c0d010482ce7/how_to_read_t_table_confidence_interval.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_off0000f554.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF554 | 6072 bytes |
SHA-256: 7eee12f219dd10a7e22b72157fa54659c77b7cbc774310d3916c53b5b6dc455c |
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font_01_sfnt_off00010a0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A0D | 11540 bytes |
SHA-256: 5504370e0e2e1abe6b9e281c1144a93abf29990df4292fef3f7519db404a0af0 |
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