MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious sites. The document body, though heavily obfuscated, appears to be a lure related to Lenovo BIOS passwords. The presence of ClamAV detection and ML flagging further supports its malicious nature, likely as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://ponafet.ru/strik?utm_term=how+to+remove+bios+password+in+lenovo+laptop PDF link annotation
- https://wajugipime.weebly.com/uploads/1/3/4/6/134646119/xojotixodemabini.pdfIn PDF document text
- https://wevetajapejo.weebly.com/uploads/1/3/4/6/134636724/a816dee597e6.pdfIn PDF document text
- https://xefezabegeritaj.weebly.com/uploads/1/3/1/3/131379478/kewelowux_kubatuwose_xomogug.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459035/normal_60449531c99cd.pdfIn PDF document text
- https://jikevumuvovidu.weebly.com/uploads/1/3/4/3/134324483/nulakagexakef-gogunaxamulibug.pdfIn PDF document text
- https://dagolitufewanat.weebly.com/uploads/1/3/5/3/135345669/polamef.pdfIn PDF document text
- https://nitogufufuwal.weebly.com/uploads/1/3/3/9/133997090/3e35051.pdfIn PDF document text
- https://nilorajokurede.weebly.com/uploads/1/3/4/6/134626806/2390252.pdfIn PDF document text
- https://datafixujur.weebly.com/uploads/1/3/7/5/137516556/5902975.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4500450/normal_60b000255db98.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366676/normal_600c6fc167c4b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501193/normal_601982ec2f5ee.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485826/normal_5fe34b5fc8860.pdfIn PDF document text
- https://nenuxigibasus.weebly.com/uploads/1/3/4/6/134694542/98724.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374520/normal_601b95030d7b7.pdfIn PDF document text
- https://venolebibu.weebly.com/uploads/1/3/5/3/135348563/givim-luxiwivopol.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4365639/normal_5ffc24a02c176.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/f6ac3b36-9792-429a-8918-344b7126f428/penowuwirunonufekiv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0f45bad4-2f80-4426-ba2a-2239671356a4/rinilof.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2af48fe0-c167-4c53-bb46-ab92117a8a80/how_to_ignore_a_guy_you_dont_like.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1f91bf9f-c8c7-4af4-bcda-8d77f6d75bfe/what_the_color_of_period_blood_means.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/35ae59d4-5cb6-481f-baaf-6fa7c11dafd4/c_mass_number.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_off0000f854.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF854 | 5360 bytes |
SHA-256: c9f12a7ac528b7fb085c8d6752a3310cde94339eee7936e5f3b271befcf89b0e |
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font_01_sfnt_off00010a7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A7C | 10880 bytes |
SHA-256: f949694928b06375de5b1027b83393fde45d7538ca4bbd6eae7a04c038eb7fa9 |
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