MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a phishing or malware distribution attempt. It contains suspicious links, including one to 'securitycheckingbrowservkcom.xyz', which is likely used to host a malicious payload. The presence of LOLBin tokens in the document text suggests an attempt to execute commands, potentially for downloading and running a second-stage exploit.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LUREPDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://gimoguvi.ru/strik?utm_term=how+to+interview+a+new+tarot+deck PDF link annotation
- http://webcam-model.online/52877073454jdkcx.pdfIn PDF document text
- http://babusokojanog.sportsontheweb.net/90601905971.pdfIn PDF document text
- http://securitycheckingbrowservkcom.xyz/guion_de_pastorela_navidea_para_adultosodn3m.pdfIn PDF document text
- http://wejuzofibab.medianewsonline.com/36573845611.pdfIn PDF document text
- http://dujegud.getenjoyment.net/13187578205.pdfIn PDF document text
- http://bumawusuka.mypressonline.com/90455154221.pdfIn PDF document text
- http://bioforcecolumbia.site/furuvokugofukatujuleneg9nqu.pdfIn PDF document text
- http://kobivoweder.mypressonline.com/losox.pdfIn PDF document text
- http://discount50.pro/windows_powershell_ise_vs_windows_powershell0i6e0.pdfIn PDF document text
- http://buyervannakupitvsem.xyz/7223306218261ma0.pdfIn PDF document text
- http://keepxufi.space/borokuselofuduratog0wnv.pdfIn PDF document text
- http://kmplitka.shop/21134123284ju7tr.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/didowugorokirug/air_force_academy_chapel_wedding.pdfIn PDF document text
- https://s3.amazonaws.com/kovozenamofox/81280545828.pdfIn PDF document text
- https://s3.amazonaws.com/temujonuwu/39208593947.pdfIn PDF document text
- https://s3.amazonaws.com/lowuwofuxali/93312439239.pdfIn PDF document text
- http://duziroro.myartsonline.com/39406020398.pdfIn PDF document text
- https://s3.amazonaws.com/gurowozenupifi/80958179949.pdfIn PDF document text
- http://domuromu.atwebpages.com/andhra_pradesh_bifurcation_act_in_telugu.pdfIn macro / runtime command snippet
- http://lawesiwewif.onlinewebshop.net/the_new_paradigm_for_financial_markets_the_credit_crisis_of_2008_and_what_it_means.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB06 | 4900 bytes |
SHA-256: 27bf82922fde39f1097a9543c57c8998a90e79e8acb7264637fbdfc8de582316 |
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font_01_sfnt_off0000fbcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBCF | 1800 bytes |
SHA-256: 51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0 |
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font_02_sfnt_off0001045d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1045D | 11148 bytes |
SHA-256: 1f089548d5afb3d3b578b478ec8721cd0a58ae855aa971491f62a33ddbdb5f0c |
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