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 0.9991
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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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://baarspo.ru/123?utm_term=balance+sheet+format+revised+schedule+vi PDF link annotation
- http://rorabuvarumezip.22web.org/74094883919.pdfIn PDF document text
- https://feroxetisilujux.weebly.com/uploads/1/3/1/4/131409167/diwurufuxopawiw_jexuzim_roguwuwok.pdfIn PDF document text
- https://wezoduvum.weebly.com/uploads/1/3/4/0/134096245/5639110.pdfIn PDF document text
- http://xolixelov.22web.org/amazon_prime_amelia_bedelia_books.pdfIn PDF document text
- https://dubitofux.weebly.com/uploads/1/3/4/4/134458445/331b9714d9.pdfIn PDF document text
- https://nowigusoludi.weebly.com/uploads/1/3/4/2/134266380/gifawodesevaf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdb53ace-3f3f-41e1-823e-0ecf3add8ba2.filesusr.com/ugd/47e9e0_1e0b2052e77b493c85bf2be267273f0f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/19ca2641-973a-4f66-8ed2-369dd24a5c80/jetasezi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4f97fd8-4270-436c-8edd-0912427bf5c0/social_psychology_definition_by_different_psychologists.pdfIn PDF document text
- https://c1f973cf-d719-4acb-8f9e-cd83ae4fb94d.filesusr.com/ugd/057766_1759a0b096dd4207844bf1200c6a2b49.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1ad97d13-5f27-43b1-9573-f2eebf7286b0/16596166679.pdfIn PDF document text
- https://1618b3f4-dcc0-4047-a816-eeb1cbe43c51.filesusr.com/ugd/a01749_e5a7acda94f743998b911932a20cd570.pdf?index=trueIn PDF document text
- http://vutevesofu.rf.gd/atualizao_azamerica_s1001_julho_2017.pdfIn PDF document text
- https://2c5a832e-93c4-4ab0-bef0-969ef348d747.filesusr.com/ugd/cc5daa_dd84a22dd7754ef7a60b8cf4d72872dd.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/538a56ba-abcc-4064-bbb0-52a139d6d4a8/nuritepegasaf.pdfIn PDF document text
- https://s3.amazonaws.com/bitizopovopaso/land_registry_fee_guide_2018.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e3d0ab06-cefa-4d04-a421-9b36d0c3f187/sherlock_holmes_download_sinhala.pdfIn PDF document text
- https://s3.amazonaws.com/gofilafixu/gogibi.pdfIn PDF document text
- https://s3.amazonaws.com/bamepofewalada/81350676108.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9909ddbb-693f-498d-9075-7961a2f0d581/is_50_shades_of_black_on_netflix.pdfIn PDF document text
- https://75a697d3-84f0-44cf-bab9-f05e37020c50.filesusr.com/ugd/7c3584_33c05a6a9190476e84ba10c54682ea75.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/829fe2b5-c271-4639-855a-f420b07358f4/46144974142.pdfIn PDF document text
- http://januxalak.rf.gd/nuxuxakepir.pdfIn PDF document text
- https://s3.amazonaws.com/rutufokedizon/35935452353.pdfIn PDF document text
- https://s3.amazonaws.com/neporezofov/borimavaledebad.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_off0000f1a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A5 | 5372 bytes |
SHA-256: 1bdcec4625557e33d17594dd4859b50972c54e30d0ced3a2d12bae9838a2f8c9 |
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font_01_sfnt_off000103c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C2 | 10768 bytes |
SHA-256: fa2dceec81124e7dd6fa4a2e8b7d3c0ebe89d1bafc502bc9bcab1a72ee306da4 |
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