MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, directing users to numerous external PDF files hosted on disposable domains, likely to distribute further malicious content or conduct phishing. The document also contains a lure to copy/paste clipboard content into a shell, suggesting an attempt to trick users into executing commands.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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://medvor.ru/pbw?utm_term=el+capitan+usb+bootable+installer PDF link annotation
- https://static.s123-cdn-static-d.com/uploads/4497359/normal_60b0afcbd3647.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460983/normal_5fe253be1b426.pdfIn PDF document text
- https://semitedajun.weebly.com/uploads/1/3/1/6/131636975/zolejejudogim.pdfIn PDF document text
- https://bivufinemena.weebly.com/uploads/1/3/1/3/131380184/5431272.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454281/normal_5fda0ef8c33b4.pdfIn PDF document text
- https://kaneloko.weebly.com/uploads/1/3/1/4/131408798/3388631.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486971/normal_5fd9e20d42546.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488570/normal_5ff28579f19cf.pdfIn PDF document text
- https://gamunodeda.weebly.com/uploads/1/3/4/7/134765824/vekonokipejuko.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4478430/normal_5ff1ae163927c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4503524/normal_5fd19c204f9a7.pdfIn PDF document text
- https://pugewolusaw.weebly.com/uploads/1/3/1/4/131453132/tonusevenizul.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369324/normal_6006b074a37f8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416150/normal_603183ab16270.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407313/normal_601287002bd04.pdfIn PDF document text
- https://jurozujuzofu.weebly.com/uploads/1/3/4/8/134875655/9365155.pdfIn PDF document text
- https://toneditikam.weebly.com/uploads/1/3/4/6/134683764/fodaxufimuwex.pdfIn PDF document text
- https://sotukotemuk.weebly.com/uploads/1/3/4/0/134042326/pegasojufafon.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467286/normal_600afb36322dd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4493245/normal_606e3fcd98201.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448539/normal_5fe56e524b1f9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000ea35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA35 | 5024 bytes |
SHA-256: 39f8187c548ff2b87e8f745466fcf03b75a25d05f9a3e2bbc1e41f43140f48ea |
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font_01_sfnt_off0000fb51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB51 | 10552 bytes |
SHA-256: f9300f5d8109e715c6987b5875cb77caede2478ba2f554cb1f480a5952fa03fd |
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