MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URIs, with a significant number hosted on disposable domains. The primary purpose appears to be directing users to potentially malicious or phishing content, leveraging a technique often associated with initial access via spearphishing attachments.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://golowaki.ru/strik?utm_term=twenty+four+hours+a+day+hazelden+amazon PDF link annotation
- https://toziraza.weebly.com/uploads/1/3/4/5/134506396/zavuvewutafojamowupa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413982/normal_6013078ebf6ae.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418963/normal_605cb0f973305.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464527/normal_5fe88268ad3c6.pdfIn PDF document text
- https://lixesexe.weebly.com/uploads/1/3/4/6/134600642/sewuko.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4458394/normal_5fdd1afd5f680.pdfIn PDF document text
- https://kikafizujugu.weebly.com/uploads/1/3/4/0/134012642/5877631.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4529087/normal_6028e3456a1f5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496812/normal_5fd98924785d4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476927/normal_5fe1cde06fdd4.pdfIn PDF document text
- https://xavuzilutose.weebly.com/uploads/1/3/1/0/131070872/9b9690a.pdfIn PDF document text
- https://pabitunevogozut.weebly.com/uploads/1/3/0/7/130776295/042d0c9f1938a6f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387704/normal_600c1ad16c8d3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451047/normal_5ff67517845e2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403808/normal_60488e8734259.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380083/normal_60601f6720f13.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408878/normal_5ff991191ad9a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450516/normal_5fca602a1a810.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/b0e1ba82-cdb9-4d91-ad57-78db6991d87d/presentation_zen_ted_talk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/afd4c1c5-7061-4a6d-9ed5-cefdef3a85ea/what_is_the_average_annual_household_income_in_the_us.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea4a7188-460c-40bb-bb7e-f335dc2fbe07/polizabepij.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29191351-facb-478f-9ecc-c25660beb516/17123496361.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_off0000efed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFED | 5340 bytes |
SHA-256: e01a40f92bf9d7ae09ff6bd8e4a28eafd754d897ffef86741a7538334792525f |
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font_01_sfnt_off00010211.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10211 | 11204 bytes |
SHA-256: a0496a3c088613d5197ba079ad4ac6a6e6fdb9476da0b65464c45da837bac9f0 |
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