MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to disposable domains and redirector infrastructure, indicating a link farm designed to lead users to malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://yafferge.ru/strik?utm_term=what+inspired+william+shakespeare In PDF document text
- http://sumapewub.getenjoyment.net/ropiwex.pdfIn PDF document text
- http://rujitexoxobag.mypressonline.com/gogujomazen.pdfIn PDF document text
- http://kigirifaduguv.getenjoyment.net/all_he_ever_desired_shannon_stacey.pdfIn PDF document text
- https://cdn.sqhk.co/dodufiruw/heie27E/32971536345.pdfIn PDF document text
- http://optalpha.com/vogepenazobugewasem06zyf.pdfIn PDF document text
- http://pejokepi.mywebcommunity.org/color_by_number_math_worksheets.pdfIn PDF document text
- https://tugadebijo.weebly.com/uploads/1/3/4/0/134042488/ac27973.pdfIn PDF document text
- http://mosomupusafebin.medianewsonline.com/joxarusolupuze.pdfIn PDF document text
- https://firajapototirop.weebly.com/uploads/1/3/1/4/131452771/zedulokolog.pdfIn PDF document text
- https://cdn.sqhk.co/molivovuki/jcSYYXK/bubble_level_tool_lowes.pdfIn PDF document text
- http://stav-games.ru/rovukizezorabimofazufaru8u0i.pdfIn PDF document text
- http://duwelizub.mywebcommunity.org/vacation_activities_worksheets.pdfIn PDF document text
- http://3bureaureport.info/quran_arabic_and_english_translation_and_transliterationro7cb.pdfIn PDF document text
- https://lixobezabutefa.weebly.com/uploads/1/3/1/4/131406736/ecb23ae0767f.pdfIn PDF document text
- https://cdn.sqhk.co/satidaruxami/ihXBv5T/viboderuruvot.pdfIn PDF document text
- http://lg-copyrightforms.com/19057237040j6hx0.pdfIn PDF document text
- https://cdn.sqhk.co/lodabazul/nbI5pXo/fevomesavibagonopovowe.pdfIn PDF document text
- https://zomerasojukoluw.weebly.com/uploads/1/3/4/7/134769652/82cf4d9d98.pdfIn PDF document text
- https://cdn.sqhk.co/menigopas/cgjdLPM/microsoft_sharepoint_2016_online_training.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
- http://redifigikutusoj.myartsonline.com/vifasikufotiruridata.pdfIn PDF document text
- https://6acf0ca1-aa41-4771-8b91-54baff69ee7f.filesusr.com/ugd/7d1dc9_846594f2860642c4b3241dd372a50061.pdf?index=trueIn PDF document text
- https://8717ace1-8174-44a1-9f98-e7cbf9e9ed94.filesusr.com/ugd/14e3be_90b5787dae1c4b188bd3e89fb937b853.pdf?index=trueIn PDF document text
- https://78fa80b2-8629-447b-ad63-53e91e8d4948.filesusr.com/ugd/8f02de_e516d5f1ef754fc29c9f8625c78d8efa.pdf?index=trueIn PDF document text
- https://02bc4616-4eae-4b38-b2c9-0e654f754ee0.filesusr.com/ugd/069df5_f61cbafe122d4996930251f39b6a5f25.pdf?index=trueIn PDF document text
- https://ee67c5b3-b4d3-4257-b425-af55881d3a68.filesusr.com/ugd/c60da7_51c480ddd0cb4751afc1a76893852d0e.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_off0000f925.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF925 | 5044 bytes |
SHA-256: 1e9a12a8e328b4064303858d210286ece321d40a74485baced81390509909135 |
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font_01_sfnt_off00010a21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A21 | 11116 bytes |
SHA-256: a89fc0b04e5a51dd3d966aa59c1e1d59ca235ab169f06ca9c7e41f23d89221bf |
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font_02_sfnt_off00012f77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F77 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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