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 numerous external links, many hosted on disposable domains, suggesting a link farm or phishing lure. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document prompts the user to install a browser extension or update, a common tactic for credential theft or malware installation. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://jacksth.ru/strik?utm_term=what+is+qualitative+research+design+in+strategic+management PDF link annotation
- https://nuzixusimupe.weebly.com/uploads/1/3/4/3/134306281/gafuxinasibobe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370280/normal_6013b0976c204.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453741/normal_5fff1151ce493.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387219/normal_60197825c1cf6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373782/normal_603239b017150.pdfIn PDF document text
- http://airbin.top/whats_up_danger_spider_man_free_downloadh5hbr.pdfIn PDF document text
- https://cdn.sqhk.co/raxoxawupej/ggxlifh/tumejobiteganorimu.pdfIn PDF document text
- https://cdn.sqhk.co/bijukipuj/eu4Qiju/nalas.pdfIn PDF document text
- https://kuzogirig.weebly.com/uploads/1/3/4/7/134748708/rekejinadevesuxuli.pdfIn PDF document text
- https://cdn.sqhk.co/runenuti/aEhjQWp/jonanaxotojadax.pdfIn PDF document text
- https://taxajoberaruvu.weebly.com/uploads/1/3/4/3/134320235/fitix-loxovigokogorej-meloxewagodi.pdfIn PDF document text
- https://cdn.sqhk.co/lakodatoli/aA0hbq9/funny_love_animation_quotes.pdfIn PDF document text
- https://cdn.sqhk.co/dudexobexine/d6TVPhh/92314809597.pdfIn PDF document text
- https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/1792580.pdfIn PDF document text
- https://cdn.sqhk.co/mekoposa/1PjaicM/39643033576.pdfIn PDF document text
- https://cdn.sqhk.co/sesijisova/hbWdI4X/rotopuvabusutamudifuvubub.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/robumuduluwise/1nd_grade_math_worksheets.pdfIn PDF document text
- https://s3.amazonaws.com/jigezilor/the_college_panda_calculator_program.pdfIn PDF document text
- https://s3.amazonaws.com/zibenoroduzuw/information_inow_auburn_city_schools.pdfIn PDF document text
- https://s3.amazonaws.com/mexijegedakol/grecia_arcaica.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_off0000d732.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD732 | 5552 bytes |
SHA-256: b6723bc433149b268019d2375b704a8c7ce4a4492a8d426001b232f9fd42e0b3 |
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font_01_sfnt_off0000e9f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9F1 | 10020 bytes |
SHA-256: c69f001ec519ea423534060d56fe76da408b4efc486b142e50e658f1ae7789bd |
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