MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious sites. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document's content likely prompts the user to install a fake browser extension or update, a common social engineering tactic. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://dugedepap.ru/strik?utm_term=cisco+4742hdc+spectrum PDF link annotation
- https://doxazefeseremef.weebly.com/uploads/1/3/4/7/134764644/9491026.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368494/normal_6037693ae9016.pdfIn PDF document text
- https://xopaluwejur.weebly.com/uploads/1/3/1/8/131857284/7934c4a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501804/normal_602d8b48afdd9.pdfIn PDF document text
- https://tobapedez.weebly.com/uploads/1/3/5/3/135344168/xupupubopevatumulu.pdfIn PDF document text
- http://muruxilirafet.iblogger.org/wazatejilanazak.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460723/normal_5fd7184e34f8e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496146/normal_5ff132f7f0042.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/9b46ab2d-9773-4847-b87a-0d2e06d64d2b/depowufegosa.pdfIn PDF document text
- https://s3.amazonaws.com/zuwosil/dicionario_aulete_gratis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6d5b0c5-4804-468e-aa3e-a43ea6d60303/kozezazojeletoxekapudozu.pdfIn PDF document text
- https://c140f178-ee45-427e-91fe-a3c5f821f67e.filesusr.com/ugd/ebc5f9_369fe846ee2a4f8db72bf70ec9ef9645.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/kexamoxusinixu/hmdx_street_mini_instructions.pdfIn PDF document text
- https://307a23dc-bb60-4906-9a68-69e45957aa19.filesusr.com/ugd/d2057d_a681957ec66f48839844e9858eaf1b71.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a471328b-42a9-4342-a42c-24e614ba8c40/5882355939.pdfIn PDF document text
- https://s3.amazonaws.com/kavifunaruvi/jigijudopozabu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/77288e91-0c58-4222-b91d-edc79480cf47/2004_ford_6.0_diesel_oil_type.pdfIn PDF document text
- https://s3.amazonaws.com/litunux/zigodilawedi.pdfIn PDF document text
- https://5548a280-a194-4776-8019-0e256783c1fa.filesusr.com/ugd/f2c1dc_2ab01218851e4d908c853414684e9da4.pdf?index=trueIn PDF document text
- http://femavumifixomud.rf.gd/network_marketing_scripts.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_off0000d4c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4C9 | 5276 bytes |
SHA-256: bef1eebd4a47243cf96546ae7a13c8baee7eeaca2259c60addb5674ffe76f295 |
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font_01_sfnt_off0000e6a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6A3 | 10644 bytes |
SHA-256: 40c5837510bd78a0a5c25ca2cdd946c7f440bec7596568a9f9fc547543f1c6f0 |
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