MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document impersonates a cloud file-sharing service, a common lure for phishing attacks. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to phishing sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Cloud document impersonation lure medium SE_CLOUD_DOC_LUREDocument impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
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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/strik?utm_term=best+construction+project+management+software+for+small+business PDF link annotation
- https://firupafawaxif.weebly.com/uploads/1/3/4/1/134109114/8309815.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403429/normal_6058f8d2b041e.pdfIn PDF document text
- http://organize.shop/sejegulazurimavogiluse6l1uk.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368953/normal_5ff92ad1b2268.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486359/normal_60481efc91a66.pdfIn PDF document text
- http://kopalomara.iblogger.org/aristotle_free_download.pdfIn PDF document text
- http://kellys.space/context_free_grammar_examples_with_solutionsyxa0w.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480891/normal_604ca5992a9cb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387427/normal_5fd95f9f6a7e1.pdfIn PDF document text
- http://wifefavowe.iblogger.org/arm_cortex_a8_datasheet.pdfIn PDF document text
- https://wawupibinotab.weebly.com/uploads/1/3/4/9/134900246/7370981.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/9779f41c-0921-40d8-8827-bae4da917085/bedofefitenat.pdfIn PDF document text
- http://zevawugogojat.rf.gd/76130551647.pdfIn PDF document text
- http://nilipinuz.rf.gd/game_choki_choki_ar_ml.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f5179dc3-61f6-4993-a385-6e981c29b22f/65251779486.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1305d1b4-de12-4d43-8291-42efd620ae05/how_write_a_research_paper_step_by_step.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09a9493f-4822-47ab-9b67-4de96a6893ee/fedumejofekukiwanilodem.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/77688d69-f23b-4e5b-b545-968874061e36/23128356876.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cb75f650-a6d0-430d-84c1-9de768213fe3/petusudegimobuxesuni.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9a82082b-e223-435f-b6f3-835d5861743e/ziguluforonap.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d519de3b-7c03-4c89-8751-874ff47e13d5/american_history_textbook_high_school.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_off0000f415.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF415 | 5692 bytes |
SHA-256: abc3c746ef022186c9ed199861c8173a6142bd8e5e3ec829dbcaaf30cc1bdc54 |
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font_01_sfnt_off00010778.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10778 | 10632 bytes |
SHA-256: b40f793f674f5c340070730da5c957a9f90c3d8500169b2d7cd5130f5eb19c10 |
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