MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, identified as a link farm. The ML classifier and ClamAV detection strongly indicate maliciousness, with ClamAV specifically flagging it as a phishing trojan. The primary attack pattern involves directing users to a multitude of external PDF files, likely to distribute malware or engage in phishing, rather than displaying readable content.
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://jacksth.ru/wix?keyword=guess+waterpro+100m%252F330ft PDF link annotation
- https://wipegozi.weebly.com/uploads/1/3/0/9/130969535/6995922.pdfIn PDF document text
- http://fakexexu.sportsontheweb.net/asus_router_rt-n56u_access_point.pdfIn PDF document text
- http://xojuxelase.medianewsonline.com/ancient_dracolich_5e_stats.pdfIn PDF document text
- https://niniteju.weebly.com/uploads/1/3/0/8/130814631/kasafiwufadufud_povisubadevawe_xawawigad_xavezuwigow.pdfIn PDF document text
- https://mivixotagu.weebly.com/uploads/1/3/1/3/131384173/7338517.pdfIn PDF document text
- http://sevagawos.getenjoyment.net/technical_documentation_and_presentation_skills_in_ict.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/a87a1aa9-e9fa-446a-8fdf-51a87db73579/27666001988.pdfIn PDF document text
- https://3f735f5a-cd1c-4288-bd93-adeff6e084d9.filesusr.com/ugd/bcc0e4_791ba23e82b441ba8983921b6e5e81df.pdf?index=trueIn PDF document text
- https://466f9527-ada3-48b4-ac0c-4ba5546996ca.filesusr.com/ugd/a4b6b9_805a6d34f5764a099ede09c7135416cd.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/51d96402-7fbc-473e-b09a-136ab0df495b/26173052179.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ead020f-b152-4555-8761-fbbad0b28b76/japejatenuwepa.pdfIn PDF document text
- http://pizuzol.onlinewebshop.net/hallelujah_chorus_bass_part.pdfIn PDF document text
- https://c3d762b3-5d50-4891-ab6d-43710edd2423.filesusr.com/ugd/3254bf_5a6ff4f0c4224cd584719690b58078df.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e1be0a14-d9a2-40b8-8e22-5c0cade79646/introduction_to_classical_mechanics_with_problems_and_solutions_solution_manual.pdfIn PDF document text
- https://45e41439-46a4-4c97-84f0-155cfeda4cef.filesusr.com/ugd/9d7ad9_de690dd537d549149506f68687a0d1c5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/db0a3f49-2e1f-46f1-89fa-b1dbbbc9e423/price_of_omni_light_bulbs.pdfIn PDF document text
- https://14da0a27-f261-4d4b-8668-3a369f5c966d.filesusr.com/ugd/46429b_0c04d1e1a128448cbcb17eb45fca438d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c14406fa-42af-4224-b9e8-a2ba1186ae55/how_to_use_celestron_powerseeker_70eq_telescope.pdfIn PDF document text
- https://ecf8b3bd-8201-449f-a39c-156acd88681e.filesusr.com/ugd/97634b_d6ee7150f6f844ecaa62dc5564ecd76d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c87c148d-5abc-4025-89e4-dbf9ee2f4324/thermo_king_omaha.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_off0000e6a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6A9 | 5532 bytes |
SHA-256: bf15f3b65381cdef419ae11da66b89bccb1090a563b03ff30f10046d972b59e1 |
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font_01_sfnt_off0000f989.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF989 | 11348 bytes |
SHA-256: 4de77730b10039423bf0b0aa465d5a1021b1eb2d28957870c5093a33f60c8e98 |
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