MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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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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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://jottigo.ru/strik?utm_term=colegio+profesional+de+enfermeria+salamanca PDF link annotation
- http://sotarebesowula.medianewsonline.com/andhra_university_degree_syllabus_2020_17.pdfIn PDF document text
- https://fusajebotiv.weebly.com/uploads/1/3/4/3/134320253/9801147.pdfIn PDF document text
- https://xufujume.weebly.com/uploads/1/3/4/8/134851049/4511666.pdfIn PDF document text
- https://cdn.sqhk.co/soxoxefumuv/Ggehdhd/basic_sales_and_marketing_skills_list.pdfIn PDF document text
- https://zapirugitoz.weebly.com/uploads/1/3/4/5/134508168/cc57bc1e5.pdfIn PDF document text
- https://pevunefimexog.weebly.com/uploads/1/3/1/0/131070247/6770233.pdfIn PDF document text
- https://cdn.sqhk.co/lukulugere/8MiagZm/spirit_animal_definition_urban_dictionary.pdfIn PDF document text
- https://cdn.sqhk.co/vopofuxo/llULijh/silicon_valley_high_school_online_courses.pdfIn PDF document text
- https://davugunibelerab.weebly.com/uploads/1/3/4/6/134612729/pavun_mapax_matet_sizes.pdfIn PDF document text
- http://misifebofol.mywebcommunity.org/mavogaselum.pdfIn PDF document text
- https://vizufawamowimo.weebly.com/uploads/1/3/4/7/134700475/baxodubezov.pdfIn PDF document text
- https://cdn.sqhk.co/giganopof/cEeu4ia/kagibuvulupev.pdfIn PDF document text
- https://rumikupim.weebly.com/uploads/1/3/5/3/135310872/309ec5e.pdfIn PDF document text
- https://cdn.sqhk.co/risubibasero/Tlhi2hd/lesson_plan_for_teaching_learning_styles.pdfIn PDF document text
- https://cdn.sqhk.co/paparidew/if2bYm7/mexanil.pdfIn PDF document text
- https://cdn.sqhk.co/veladaxuzeba/iahdH4U/kupuxukigikiwobegenivag.pdfIn PDF document text
- https://wowavimisaken.weebly.com/uploads/1/3/0/8/130814021/fozuletaxo_buxezesixaliw_jiwifukogu_tuzonipitinode.pdfIn PDF document text
- http://sizuxofutitarax.mypressonline.com/craft_beer_menu.pdfIn PDF document text
- http://mitutepoka.medianewsonline.com/pijabozufegilejemiwubulam.pdfIn PDF document text
- https://momimuraw.weebly.com/uploads/1/3/1/3/131384495/3615745.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dapufojutujat.atwebpages.com/letivawufuwozanikofuk.pdfIn PDF document text
- http://pivujumurabaf.epizy.com/bsc_agriculture_download.pdfIn PDF document text
- http://tamipaw.epizy.com/allegro_design_entry_hdl_tutorial.pdfIn PDF document text
- http://molugepunab.epizy.com/goxedobikaxaxa.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_off0000e313.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE313 | 5380 bytes |
SHA-256: 2864d20037fa7041b4c0598aae9f84d2fbdd7515273c3c545b47b8c1414bb0d0 |
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font_01_sfnt_off0000f54b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF54B | 11752 bytes |
SHA-256: 201e8be3e536608871e0832a5f1ae5a646f8678577117a80b4232b57f35e51c3 |
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