MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which point to disposable domains or are used in a link farm configuration. The ML classifier and ClamAV detection strongly indicate maliciousness. The embedded URLs and the heuristic 'PDF_SEO_LINK_FARM' suggest the document's primary purpose is to redirect users to external sites, potentially for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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://leonvi.ru/strik?utm_term=tascam+dp-008ex+8-track+digital+portastudio+review PDF link annotation
- http://movawizaxaxato.mywebcommunity.org/31400819486.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392660/normal_604ded221e6c0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465548/normal_60090b54ca48b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464542/normal_5feb1c67e8908.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476126/normal_604d13baa58fa.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/2f9e3a4c-f18d-42ac-b4a9-94252d93e9d5/wuxadaxukufifaja.pdfIn PDF document text
- https://8271b8e8-1520-4b18-8785-2fafc8cd33e6.filesusr.com/ugd/efc97f_3187adb115614071ace6ddfbe978d37b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wupagivoz/kisagoposevimonu.pdfIn PDF document text
- https://c216880a-03a2-4774-ab7e-121c93799e8f.filesusr.com/ugd/b5aed9_8e74d9991aea4828afea4af16f4e5e01.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e841c0fd-0b29-40ef-9b00-05770e5d74be/56509657455.pdfIn PDF document text
- http://moxapowi.myartsonline.com/zimojufepemedogosazejava.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1a357fcd-e344-4d6b-a2ec-aa5d6e201fc0/directv_genie_model_number.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5ea7cbd7-ba8d-48bc-8a82-7dae3e2ef4d6/coldest_place_in_canada_today_january_15_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aac90d97-f9b2-4d8b-9a14-8e848ddcbec0/49181007587.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10f469c9-33ca-41f5-bff8-8ef7a56cc953/zovepumexatafurewus.pdfIn PDF document text
- https://s3.amazonaws.com/lorifawuvawot/vivazafonexijiti.pdfIn PDF document text
- https://s3.amazonaws.com/zunaporam/list_of_irregular_verbs_with_translation.pdfIn PDF document text
- https://4f0754e2-f0c4-47db-826b-83042027646c.filesusr.com/ugd/7a11b0_3baff830eb384a4bbf320dd430ece853.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8cfd88bb-562d-4443-a9bb-609193c05db3/best_sat_spanish_subject_test_prep_book.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001038c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1038C | 5996 bytes |
SHA-256: 3b7a7c958845b9c383b4d60cdd712c187552e1eef8d3c5f8bc308e507b6d4818 |
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font_01_sfnt_off000117f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117F7 | 11016 bytes |
SHA-256: e68e841b2f577af07715aa7234ce4c28a4b8d3f01d57839917bddd4512fa391c |
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font_02_sfnt_off00013da5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DA5 | 16060 bytes |
SHA-256: 99ddc6f5858eb134f8024171ebe717cbd02485c31471b921a5021903b5272953 |
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