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 0.9996
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://vilenefex.ru/wix?keyword=mini+futon+mattress PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367648/normal_5fda54ebe381b.pdfIn PDF document text
- https://cdn.sqhk.co/piwizogir/ijbjgMP/mipulizovoz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490251/normal_601247e612aad.pdfIn PDF document text
- https://cdn.sqhk.co/visevunu/6wKij5K/vbspu_exam_form_last_date_2019.pdfIn PDF document text
- https://kibopomirisusi.weebly.com/uploads/1/3/2/7/132741064/5127674.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383680/normal_5fcd3904a3c54.pdfIn PDF document text
- https://cdn.sqhk.co/desogepupema/cMQgejG/paper_wings_lyrics_meaning.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448545/normal_5fed80da5f996.pdfIn PDF document text
- https://buzixigadojaw.weebly.com/uploads/1/3/5/3/135316262/5eecb4c4d0ad3.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/11003fff-da4a-45e8-8fe2-5f7a251323d1/the_queens_code_audible.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/44ccaca8-6978-429a-9ac2-fe0fc693e3c0/nenapebarurajadin.pdfIn PDF document text
- https://22e365c6-0853-42e1-82f8-83473bf9c0bf.filesusr.com/ugd/217d68_e5209195eb1840efaa4eb4ec9b7be1d3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7d24a709-43f2-4709-9509-8d13fd072f50/how_to_check_tivo_software_version.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5489fa23-43a6-4605-9610-0276cfd02555/sri_vishnu_sahasranama_in_kannada.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8a887b9d-f576-4108-a412-0f3220a7c27f/how_to_read_ct_perfusion_brain_studies.pdfIn PDF document text
- https://36c7e617-1221-4173-b726-d5bce2878801.filesusr.com/ugd/610d21_220fadec79384b41a69de0cd59ec57d1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d0b6066b-4389-42a6-bc65-103de88bf647/65873776426.pdfIn PDF document text
- https://951e66c5-660f-4748-bfcc-a6cc0831133d.filesusr.com/ugd/4967bb_25347c0ff8924d649a37721d797b376d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0de735d6-e91c-4e87-8d05-de871c13833b/dikowimexakagat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4089920c-b156-4218-9e10-e234d546bf7a/face_mask_3d_model_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3b5c58a2-8267-4e7e-a7d0-6fbd9915dbf4/william_faulkner_absalom_absalom_analysis.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_off00015673.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15673 | 4884 bytes |
SHA-256: 73f630503b973b3818fd4e49deac48ce4ba2172b11ff8cd975eec68cdcb8bad1 |
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font_01_sfnt_off00016701.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16701 | 11412 bytes |
SHA-256: 510db5c914aec78db7c9995b0358100a0024a16386c7fa55dcb515042ac305f9 |
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