MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to external PDFs hosted on disposable or suspicious domains. One URL is identified as a malicious redirector, and the ClamAV detection suggests a phishing or trojan payload. The ML classifier also strongly indicates maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/123?utm_term=tent+card+template+powerpoint In PDF document text
- http://sefesojobibif.iblogger.org/85998275461.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451019/normal_603e7ef852041.pdfIn PDF document text
- http://birulozezogi.iblogger.org/current_affairs_capsule_free_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418575/normal_601fb2abac9b5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459180/normal_5ff856ea73a0a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383314/normal_5fde84ca53b63.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381543/normal_602baa9887d5d.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/b83121e6-2f9e-48c1-b753-3df360107858/caminando_sobre_el_agua_pelicula_sinopsis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/238fd8d2-71ff-4c38-afe8-2e505c2528ec/xoravozupon.pdfIn PDF document text
- https://05e27880-d5e1-4d3d-8428-ba943e9300bc.filesusr.com/ugd/b56239_5e3b758337fc4cada46a37a7e24c8e0c.pdf?index=trueIn PDF document text
- http://wedejilifolani.rf.gd/webasto_heater_problem.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e7661579-e74a-4f45-881f-d101e086f1ef/86125740772.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/deed52a5-1e5f-4522-9d82-da3d3b5f392f/89189280845.pdfIn PDF document text
- https://82e7f058-9c2a-4352-8e65-a162d98cde11.filesusr.com/ugd/ba3c76_f1db722809d04f50871b026d9083d010.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/24f78094-1ce3-472e-8021-b1cdcf355a84/how_do_you_move_tables_in_google_docs.pdfIn PDF document text
- https://9cf93ecd-64ee-4ad6-afcc-f350577a7522.filesusr.com/ugd/c4dbd3_ec59a2e3c7be45e3984b3cfb81ab15f3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/radubozufiwo/how_to_find_the_surface_area_of_a_rectangular_pyramid.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10be832b-b0e2-41cf-99c7-dc210652cd45/organic_chemistry_some_basic_principles_and_techniques_class_11_shiksha_house.pdfIn PDF document text
- https://s3.amazonaws.com/julaxel/blackmart_alpha_indir_apk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8a93bea9-ca22-49d3-ba32-a64256c86ddb/96197500012.pdfIn PDF document text
- https://s3.amazonaws.com/voropa/6722663904.pdfIn PDF document text
- https://38aad9b5-7a72-45b8-ac81-9fe73ce82000.filesusr.com/ugd/08338c_65a07bc149ad44d6b83b3a8e29b5ffe9.pdf?index=trueIn PDF document text
- http://nelevevupa.rf.gd/4196996150.pdfIn PDF document text
- http://kalogoraretupo.epizy.com/ib_english_language_and_literature_ioc_guidelines.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b359032e-58cc-4a0e-a624-022281e4beae/how_do_i_start_an_evaluation_essay.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7608efcd-0aec-44d4-9c69-aaf4f8445a6c/xefewika.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_off0000ec92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC92 | 5084 bytes |
SHA-256: ab1783679836f8075e45429e2be31e91a4d0739a4eaf813e25bd58662eb40883 |
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font_01_sfnt_off0000fdd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDD4 | 10536 bytes |
SHA-256: 3a9efd1992c1e8197195c28be857d9ca27c393300e560096f839cf2d871c503b |
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