MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file exhibits characteristics of a link farm, containing numerous embedded URLs. The primary malicious URL identified is 'https://dafemum.ru/strik?utm_term=how+to+use+an+electric+omelet+maker', which is flagged as a redirector to potentially malicious infrastructure. The presence of a large number of external links, many hosted on disposable domains, strongly suggests a SEO poisoning or phishing campaign. No scripts were extracted, but the PDF structure itself facilitates the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://dafemum.ru/strik?utm_term=how+to+use+an+electric+omelet+maker In PDF document text
- https://kuvolobogon.weebly.com/uploads/1/3/4/0/134012650/nariziranut.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385424/normal_606e90990ece3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384820/normal_5fd30a0e4f2d6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486969/normal_5fe12003d1acf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4503050/normal_605b51eaa929c.pdfIn PDF document text
- https://lipuxavevafip.weebly.com/uploads/1/3/1/3/131398459/9674967.pdfIn PDF document text
- https://gekibevuzoz.weebly.com/uploads/1/3/4/5/134503907/6854938.pdfIn PDF document text
- https://duxojavuse.weebly.com/uploads/1/3/1/4/131483254/1632411.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426423/normal_603740d40c335.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459469/normal_5fd63f291df8f.pdfIn PDF document text
- https://zisojuvamifofe.weebly.com/uploads/1/3/1/3/131383842/f8e556.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366366/normal_5fc65bed54ebe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463306/normal_60308ae87a031.pdfIn PDF document text
- https://wupugosow.weebly.com/uploads/1/3/1/3/131382590/4510786.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416125/normal_606df566eadd9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458161/normal_604cf0136c298.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://s3.amazonaws.com/dexodekelaseki/kozotudeboxarasimebo.pdfIn PDF document text
- https://s3.amazonaws.com/kisagoz/25750429887.pdfIn PDF document text
- https://s3.amazonaws.com/kelageketisefuv/54849266490.pdfIn PDF document text
- https://s3.amazonaws.com/jarawaxanivu/46419954203.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_off0000e564.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE564 | 4944 bytes |
SHA-256: ef9d2bd3c54cb4feaf89b85a8427abf2bc0216855a4438b1e19d1c771ddf15b1 |
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font_01_sfnt_off0000f61c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF61C | 10520 bytes |
SHA-256: 9581f73dffd248f1d84313d88c128ee81c7b63905e82d6fc19523066b857f5c9 |
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font_02_sfnt_off000119db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119DB | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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