MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or malicious content distribution scheme. It contains a large number of external links, many of which point to other PDF files, suggesting a link farm designed to obscure the ultimate malicious destination. The primary URL, 'https://xajibur.ru/strik?utm_term=tamil+nadu+class+12+history+book+pdf+free+download', is likely part of this scheme to lure victims searching for educational materials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
Heuristics 5
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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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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://xajibur.ru/strik?utm_term=tamil+nadu+class+12+history+book+pdf+free+download PDF link annotation
- https://cdn-cms.f-static.net/uploads/4421641/normal_6069d58ea10fe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369626/normal_602b4ff58499f.pdfIn PDF document text
- https://xasizati.weebly.com/uploads/1/3/5/9/135978204/lagenuzukixofuke.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473049/normal_5fe4dba149e76.pdfIn PDF document text
- https://rikelakejif.weebly.com/uploads/1/3/4/8/134885243/zasib.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4499023/normal_600314a9a9b29.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485434/normal_60550b5a3ce68.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368500/normal_5fdb8c45ad2f6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4494648/normal_5ff5324d4ff2f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484834/normal_601a54cb7dbc1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4425772/normal_5ffb23808f569.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488822/normal_5ffb07a309274.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378846/normal_5fddc7d3d7e42.pdfIn PDF document text
- https://dofixojibol.weebly.com/uploads/1/3/0/8/130874360/dabepelos_ketulagogowutom.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381551/normal_604423e50f8c6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459936/normal_5fca681211454.pdfIn PDF document text
- https://xisasuwida.weebly.com/uploads/1/3/4/4/134472621/f46feeea1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480598/normal_5fde855e66a36.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374021/normal_5fcf42d5362ff.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374699/normal_5fdac5e179ece.pdfIn PDF document text
- https://xogovowumo.weebly.com/uploads/1/3/0/7/130738979/topixexoku.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/c61632ff-80e5-49d6-8683-6e923f954744/18088892964.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12798df1-a062-4a0c-afe8-fc3e58f9e8d8/bissell_proheat_2x_pet_pro_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0a9f94c9-9af2-4ec4-be39-627bd2a1a3e6/microsoft_project_2013_free_download_64_bit_for_windows_10.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c680d7c6-92bb-4036-b6fb-2cfbcb8db980/four_past_midnight_book_review.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d6cb21c-7c7f-456d-99b7-c8c1e05193f1/justin_timberlake_i_got_that_feeling.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_off0000f9b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B7 | 5928 bytes |
SHA-256: 93c79b07a36d0cb703e0eea8846a709b84d6a45c9a182856dba4f1e0c580b97d |
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font_01_sfnt_off00010dd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DD1 | 10428 bytes |
SHA-256: 0ac29eb1dc2adc8fa6a6f16b0cde1437856b956202f9b86afc2c4d1216bfc131 |
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