MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a heuristic firing for an external URI pointing to a suspicious domain, which is also listed as an IOC. The ML classifier and ClamAV detection strongly indicate maliciousness. The document body, though heavily obfuscated, appears to contain text related to 'Canadian chemistry contest past papers', suggesting a lure to a phishing or malware distribution site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 4
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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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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://resalured.ru/strik?utm_term=canadian+chemistry+contest+past+papers
- https://cdn-cms.f-static.net/uploads/4474723/normal_603d51fce998e.pdf
- https://cdn-cms.f-static.net/uploads/4413719/normal_6039b8c21cc4c.pdf
- https://cdn-cms.f-static.net/uploads/4483070/normal_5fd3b2fb007b5.pdf
- https://cdn-cms.f-static.net/uploads/4379603/normal_6037eb1ee016a.pdf
- https://cdn-cms.f-static.net/uploads/4445337/normal_5fd65bd769b50.pdf
- https://cdn-cms.f-static.net/uploads/4445742/normal_604f840f1ee64.pdf
- https://static.s123-cdn-static-d.com/uploads/4421061/normal_60b1b8352f6cd.pdf
- https://cdn-cms.f-static.net/uploads/4384159/normal_604666204bfba.pdf
- https://static.s123-cdn-static.com/uploads/4410211/normal_5ffa44009df23.pdf
- https://cdn-cms.f-static.net/uploads/4481154/normal_605a2e5414555.pdf
- https://static.s123-cdn-static.com/uploads/4374196/normal_5fc88a5965d98.pdf
- https://cdn-cms.f-static.net/uploads/4454419/normal_6017db832a611.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/b833b52e-d3bc-4a8b-bfff-33d1e03ec2a5/did_someone_died_in_my_house_free_search.pdf
- https://uploads.strikinglycdn.com/files/e90c3dcd-dd3c-43f5-8554-d12f6a20b88e/69348881752.pdf
- https://uploads.strikinglycdn.com/files/bc79e22e-904a-4511-a022-782fca4b1894/ios_emoji_download_for_android.pdf
- https://uploads.strikinglycdn.com/files/3627fd49-cee1-4bb1-b38e-66b25c522d7c/68757310732.pdf
- https://uploads.strikinglycdn.com/files/85480094-035c-4c73-9a8d-268a85e8f2b0/baron_de_montesquieu_the_spirit_of_laws_summary.pdf
- https://uploads.strikinglycdn.com/files/5d0abf53-38dd-4498-9792-42d4fc5b7541/22248449166.pdf
- https://uploads.strikinglycdn.com/files/79c51ec5-4930-46bb-93d0-73e49956e032/73054300724.pdf
- https://uploads.strikinglycdn.com/files/85ef86a0-d7ef-44a6-b8cd-6e64550b129d/sadujewikijewetax.pdf
- https://uploads.strikinglycdn.com/files/1477817a-b384-4331-a027-5259693428a0/who_wrote_40_rules_of_love.pdf
- https://uploads.strikinglycdn.com/files/b51a77e8-ac76-47ad-aff6-f945f9528dbe/teaching_by_principles_douglas_brown_slideshare.pdf
- https://uploads.strikinglycdn.com/files/fcd3f1e8-354a-428a-be15-5634879e6fd5/67294515286.pdf
- https://uploads.strikinglycdn.com/files/7ef108d8-bf8b-4f13-8a4d-5ad4b4e421ed/chuck_palahniuk_guts_true.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f24f.bin19f3aec06a1b36ece0707347c7572d98e02728274cb4d2701d3f0dd07ae7700c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF24F | 5288 bytes |
font_01_sfnt_off00010425.bindf434f2a1c15151b01189e505d70472c6ce95e1ebcc7541cd31ee2444e782d66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10425 | 12200 bytes |
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