MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of embedded links, many of which point to disposable hosting services and redirectors. The primary link directs users to 'https://yafferge.ru/strik?utm_term=dermatologist+that+accept+caresource+insurance', suggesting a phishing or scam attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for credential harvesting or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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=dermatologist+that+accept+caresource+insurance In PDF document text
- https://rajawanog.weebly.com/uploads/1/3/5/3/135320481/c77a61685.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464861/normal_6037f696eba68.pdfIn PDF document text
- https://xajimago.weebly.com/uploads/1/3/0/8/130813364/815363.pdfIn PDF document text
- https://tafebitekule.weebly.com/uploads/1/3/0/7/130776603/rikitegiruzavumadi.pdfIn PDF document text
- https://surugatolezijef.weebly.com/uploads/1/3/4/6/134631687/falulofomi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481994/normal_5fe90206f2048.pdfIn PDF document text
- https://gatobutapasi.weebly.com/uploads/1/3/4/3/134364099/jobomezigum.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4492875/normal_5fd042c4965b8.pdfIn PDF document text
- https://xalebune.weebly.com/uploads/1/3/4/8/134889571/18898.pdfIn PDF document text
- https://pomadiwu.weebly.com/uploads/1/3/5/3/135313662/d8e982116e0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452173/normal_606e606865bd7.pdfIn PDF document text
- https://dojosofezi.weebly.com/uploads/1/3/5/3/135390984/88b46b75fd567.pdfIn PDF document text
- https://simogewijak.weebly.com/uploads/1/3/4/6/134642120/d2f97e5.pdfIn PDF document text
- https://rudazijix.weebly.com/uploads/1/3/1/4/131453676/fekejutaf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392668/normal_60335493a5300.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
- https://uploads.strikinglycdn.com/files/0401036d-4a58-47b8-a8ab-cee96f54d2f7/10.snf_biyoloji_meb_kitab_fen_lisesi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f2a55beb-55fb-4dbc-b0ff-a4633a3a3026/pema_chodron_meditation_youtube.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d7887b13-3bad-40a9-9571-00d4e956e142/70854981693.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3566cc90-b08a-4040-bbb9-58493e8373de/loki_is_not_odins_son.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5204ab78-203b-42aa-ad5d-ad178f46d05a/72056155807.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6CC | 5228 bytes |
SHA-256: 5ba2bb2a067ff2038390335b88b6d81681a3240c376916512977c91d364ba68f |
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font_01_sfnt_off0000f876.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF876 | 11164 bytes |
SHA-256: ed1b1e9de84954b990adbadfaf0a037ab467ae4b9e6965010e874c59cb2ef9a1 |
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font_02_sfnt_off00011e6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E6E | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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