MALICIOUS
186
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 6
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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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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://botokaw.ru/strik?utm_term=area+formula+for+a+triangle+with+sine PDF link annotation
- https://cdn-cms.f-static.net/uploads/4486344/normal_6028189744e22.pdfIn PDF document text
- http://polobasopika.mywebcommunity.org/types_of_boundaries_in_relationships.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379736/normal_603efe7412c74.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409102/normal_5ff970be47543.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387417/normal_5ffe4e56603a4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://b7af6bb9-01eb-4839-ab56-764651de4344.filesusr.com/ugd/2486b5_925bc1705b78469783589ba4b86cc647.pdf?index=trueIn PDF document text
- http://xomapagovujux.atwebpages.com/animal_farm_by_george_orwell_movie_download.pdfIn PDF document text
- https://711920be-b761-4f0e-a604-762b26663b16.filesusr.com/ugd/ffcbea_3050ede921724be191053dd50b997a37.pdf?index=trueIn PDF document text
- https://af1bea64-f5cd-41c2-a7c1-97f21c1aa057.filesusr.com/ugd/592671_a68cfc42fa164124ad9d92c4c3259aa6.pdf?index=trueIn PDF document text
- http://zivonupawidam.atwebpages.com/class_12_chemistry_practical_book_ncert.pdfIn PDF document text
- https://bf808793-8b46-4c54-8b11-319763181fa0.filesusr.com/ugd/0d018b_02969805d3ce434f8dadd1d29cb49630.pdf?index=trueIn PDF document text
- https://7a579b3f-ce96-4c66-abdc-991530493d29.filesusr.com/ugd/010c6b_7d26a740e57c47a0af622eabc8280b4c.pdf?index=trueIn PDF document text
- http://rivenoke.onlinewebshop.net/48481614622.pdfIn PDF document text
- https://72a23b54-95c1-47c0-80d6-f7b1310faeb8.filesusr.com/ugd/65b209_a6ce586816c64ec7a3045e48ea6282b3.pdf?index=trueIn PDF document text
- https://5a98ae10-8c7e-48da-b83f-9bcbc644cfa3.filesusr.com/ugd/9a8764_2960af3810784757b5948dd2e43195b7.pdf?index=trueIn PDF document text
- https://27f1a270-5048-4778-87f0-574dfe85248a.filesusr.com/ugd/b7306e_2a9af466ca88428997c81f2f95e606bb.pdf?index=trueIn PDF document text
- https://0f7a2101-273c-4f7f-b1fd-079d1ad923c1.filesusr.com/ugd/a7ea6f_5809bf622bdf4f29ac91094b2680f07a.pdf?index=trueIn PDF document text
- https://569961a5-e6b5-462d-8b38-7193d5e7b20b.filesusr.com/ugd/a37a2e_415521ce503347d6bcf375bd3575498f.pdf?index=trueIn 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED2E | 5260 bytes |
SHA-256: 973fd9a95de21ed4d457388e941af17bdc2c198383bac873cae587af18d5cce9 |
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font_01_sfnt_off0000feff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEFF | 11140 bytes |
SHA-256: b93c0f5af0e01c06c66f1cf42e7c178eaf310c7c0d81af9e39a98c15922edee7 |
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font_02_sfnt_off00012529.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12529 | 16244 bytes |
SHA-256: d37b3368a3d7f50fff0cf5d5a4487467b32a45fa55504af53886a69cca9d31d2 |
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