MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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://druttle.ru/123?utm_term=calculate+the+margin+of+safety+of+expressed+in+units PDF link annotation
- https://funobijego.weebly.com/uploads/1/3/1/6/131636789/4648013.pdfIn PDF document text
- https://xakowuval.weebly.com/uploads/1/3/5/3/135316831/rurakidazagegopubid.pdfIn PDF document text
- https://bemebedutor.weebly.com/uploads/1/3/4/6/134624352/vugiselaraxisi-bomadinodorusek.pdfIn PDF document text
- https://texifafotolatip.weebly.com/uploads/1/3/4/7/134764930/1b80297a5be9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459796/normal_5fe03f739fb3e.pdfIn PDF document text
- http://braco.ru/legetewkc1z5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388283/normal_602307c504452.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415937/normal_602005965cea8.pdfIn PDF document text
- https://wibotutez.weebly.com/uploads/1/3/4/0/134012840/5008c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zewimu/income_tax_calculator_2018_excel_sheet.pdfIn PDF document text
- https://s3.amazonaws.com/xonobijikivo/cisco_jabber_for_android_configuration_guide.pdfIn PDF document text
- https://s3.amazonaws.com/fuwenoxuzasila/90337275737.pdfIn PDF document text
- https://s3.amazonaws.com/xupizewuxere/73110900636.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_off0000e0f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0F3 | 5644 bytes |
SHA-256: e09b0d2f8669b3edec2e7c2936a8614b6241adc0c83d02f532fe56f276920cc2 |
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font_01_sfnt_off0000f409.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF409 | 11408 bytes |
SHA-256: 816693e0244fc153b0be84b6655747e0d1c4a94b610110073abf74c6428f84cf |
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