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 0.9994
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://xezojetit.ru/award?keyword=mental+health+disorders+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4415950/normal_5fd3a891d6d0a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479254/normal_6037f760097f5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418783/normal_5fda91e5a9c28.pdfIn PDF document text
- http://copyrightshelpcenter.com/77127638047rsqef.pdfIn PDF document text
- http://moresukko.ru/wizaguvigerewim5mr3z.pdfIn PDF document text
- http://bimolomazija.22web.org/54366232077.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418379/normal_5fcf68cc30307.pdfIn PDF document text
- http://geloritiveda.mygamesonline.org/dewalt_734_dust_hood.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387699/normal_6030a71f0e2f2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d4180a97-8dd0-4bf1-9e2f-d1b128d1a64d.filesusr.com/ugd/ae059d_ed3b2082784e469492d1acae585252da.pdf?index=trueIn PDF document text
- https://3bdad275-8828-414d-9063-9532e035d791.filesusr.com/ugd/c67d0c_3d7780e851914da0b395e3d4788954d1.pdf?index=trueIn PDF document text
- http://vifowas.epizy.com/difference_between_maritime_law_and_common_law.pdfIn PDF document text
- http://vefodipox.myartsonline.com/adventure_tourism_management.pdfIn PDF document text
- https://2dcb0092-dd22-4cef-90c1-8c398f802bb7.filesusr.com/ugd/ff3115_f32eb2b0364d4dbea94e53dd65831ce0.pdf?index=trueIn PDF document text
- http://suvubojetixag.epizy.com/sizamiwofisejebupug.pdfIn PDF document text
- http://bodotekufuw.rf.gd/what_are_the_advantages_of_these_technologies.pdfIn PDF document text
- https://8eccd3b7-fb20-4588-a5b5-4d8c58591879.filesusr.com/ugd/0e6328_352d07ca98b34ffe95b748bdaaa80b15.pdf?index=trueIn PDF document text
- https://0f7a2101-273c-4f7f-b1fd-079d1ad923c1.filesusr.com/ugd/a7ea6f_053a8e0952344d179a815faff65de281.pdf?index=trueIn PDF document text
- https://fb4bdcd3-28a3-4206-a6c3-fb267f511c23.filesusr.com/ugd/0ad562_36dfe9c804da4029b92179a54b9ca5fc.pdf?index=trueIn PDF document text
- https://e3055f73-6236-423b-b810-4bc1a15f300f.filesusr.com/ugd/fa12d1_04a447bfd8364e44a6284f448091fbe0.pdf?index=trueIn PDF document text
- http://dofenepebasep.epizy.com/nuweloxo.pdfIn PDF document text
- https://eecb1da5-82b7-48ef-90e5-6a20895c07e7.filesusr.com/ugd/88a84f_415076208814494a8ef7363fb514ab4d.pdf?index=trueIn PDF document text
- https://9de673a2-3b8e-40eb-bbf5-c0ad8e71a3da.filesusr.com/ugd/bd5c68_6747222885b8491abc3f8177f80e8f07.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD6E | 5136 bytes |
SHA-256: 94bbdd62b2e337d01e3f982e4a621169b9b6ca4ad34863442466457de0facca0 |
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font_01_sfnt_off00010ee7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EE7 | 10732 bytes |
SHA-256: afc6274fd4929a733f8741cf6c741dd899876520a5b16faae545a017aee8de23 |
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