MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains a link farm with multiple external links, including one to 'pixomot.ru' with a query parameter suggesting a 'sigmakey crack loader download free'. The ML classifier and ClamAV detection strongly indicate maliciousness, specifically phishing and trojan activity. The presence of a security bypass instruction further supports the malicious intent, likely to facilitate malware execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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://pixomot.ru/pbw?utm_term=sigmakey+crack+loader+download+free PDF link annotation
- https://cdn-cms.f-static.net/uploads/4420454/normal_5fe638da6c298.pdfIn PDF document text
- https://botekajerojaj.weebly.com/uploads/1/3/4/7/134749353/4471003.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475997/normal_60505b0eb1ab5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464078/normal_60505eee637d1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450721/normal_5fe3a59c157d2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459057/normal_601318bb609ba.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482629/normal_5fc57e9a62cc8.pdfIn PDF document text
- https://lirobepofuneve.weebly.com/uploads/1/3/0/7/130740173/523808.pdfIn PDF document text
- https://fuzuvetidodevik.weebly.com/uploads/1/3/4/6/134637128/20e8f8e27.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454163/normal_5fcf11813f01d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379374/normal_5ff773caaad48.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4463308/normal_5ff873d940026.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487423/normal_6011df2b64e2a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373505/normal_5ffda416e626e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377704/normal_601de80f35220.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4492915/normal_5fd8569015fac.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490929/normal_5fc71aac61f58.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379486/normal_60b9a664049fb.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://numefen.pbworks.com/f/pokemon_planet_hack_money_generator.pdfIn PDF document text
- http://nubuzefi.pbworks.com/f/26962696729.pdfIn PDF document text
- http://sozakuvepar.pbworks.com/f/lomopanaxobazipiwegut.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_off0000ea10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA10 | 5232 bytes |
SHA-256: 4b65679b9f0b976551a64abd2e24c1e3ed4a814836fea2f452afa925f5dab783 |
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font_01_sfnt_off0000fbcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBCD | 10956 bytes |
SHA-256: 4dc68059bf1cce9fbc130b49fcb645247043e73850cd1ca9cc14eb7d9578fd3a |
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font_02_sfnt_off00012124.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12124 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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