MALICIOUS
264
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF contains numerous links to disposable hosting and redirector infrastructure, indicating a phishing or malware distribution attempt. Heuristics indicate it lures users to install browser extensions or updates, a common social-engineering path for malware. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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://crophysi.ru/wix?keyword=cdma+workshop+3.9+full+version+free+download In PDF document text
- http://zexaribamemavi.sportsontheweb.net/kakukakodiw.pdfIn PDF document text
- http://zemegulobeka.iblogger.org/fighter_subclasses_5e_unearthed_arcana.pdfIn PDF document text
- http://kalavar.xyz/mount_and_blade_bellum_imperii7s8h6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486353/normal_5ff53887ba729.pdfIn PDF document text
- http://zootime.store/wujibogomakesoligamufa9yx5h.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475582/normal_5fe4476401db9.pdfIn PDF document text
- http://feedbacrnz.space/child_care_blue_card_application_form_qldzvexr.pdfIn PDF document text
- http://dajexori.mypressonline.com/who_are_the_best_aa_speakers.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443619/normal_600bc4c429545.pdfIn PDF document text
- http://fullhp.info/zoxaxuxebovupuxug3645o.pdfIn PDF document text
- http://nasufulorejuwe.mywebcommunity.org/bopukikikijiniwudipiza.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408464/normal_6019c66ca037f.pdfIn PDF document text
- http://astrohelp.space/employee_experience_journey_mapping_templatef67lt.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454694/normal_5fd10de7e5d37.pdfIn PDF document text
- http://fujozed.22web.org/ad_hoc_networks_pearson.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://gafodix.myartsonline.com/why_is_the_bell_jar_called_the_bell_jar.pdfIn PDF document text
- https://s3.amazonaws.com/topipovikapari/9apps_2018_free.pdfIn PDF document text
- http://soxidavalib.rf.gd/90037267391.pdfIn PDF document text
- http://tiguvazigavis.epizy.com/20909411980.pdfIn PDF document text
- http://topemuzopapegu.epizy.com/m._a_previous_exam_form_2019.pdfIn PDF document text
- https://s3.amazonaws.com/kezemiradigu/92357262857.pdfIn PDF document text
- http://topasirerawo.rf.gd/sample_skills_matrix_template_excel.pdfIn PDF document text
- https://s3.amazonaws.com/xixonu/avatharam_songs_kuttyweb.pdfIn PDF document text
- http://wasutin.epizy.com/can_you_use_all_purpose_flour_in_your_bread_machine.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_off0000eef2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF2 | 5756 bytes |
SHA-256: 03e5685d684efb1ab07c3acd4b4440693ee03db985b709138ad17ce48066d37f |
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font_01_sfnt_off00010274.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10274 | 10464 bytes |
SHA-256: 9a3784b8a58911c59f896061353e3ff7c507bb5e297fa6fd415ec8d54ee5a0d3 |
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