MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a clipboard-command (paste-and-run) lure. 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 0.9997
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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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://mezovuduw.ru/123?utm_term=react+style+grid+template+columns PDF link annotation
- http://nejevefivi.mypressonline.com/exportacion_de_aguacate_hass_en_colombia.pdfIn PDF document text
- http://espaceclient-cmb.com/the_columbian_exchange_worksheet_answer_keyniyqa.pdfIn PDF document text
- http://sazinoz.mypressonline.com/list_opposite_words_english.pdfIn PDF document text
- https://cdn.sqhk.co/fedelubu/jl6gdit/free_translation_english_to_chinese_simplified.pdfIn PDF document text
- https://cdn.sqhk.co/vusutazomaga/cyififW/fuvisesorovov.pdfIn PDF document text
- http://ruregere.sportsontheweb.net/korean_tourist_visa_application_form.pdfIn PDF document text
- http://bafedudovodamo.medianewsonline.com/neurological_examination_book.pdfIn PDF document text
- http://fidekeleko.medianewsonline.com/cambridge_english_proficiency_1_answers.pdfIn PDF document text
- https://cdn.sqhk.co/pubisifibuj/9Xgdohj/idling_car_law_uk.pdfIn PDF document text
- http://netzamka.ru/dewalt_scroll_saw_stand_instructionszsdsf.pdfIn PDF document text
- http://strita.space/39529274091d2xny.pdfIn PDF document text
- http://cashfree.store/baby_411_8th_editionn74xa.pdfIn PDF document text
- https://cdn.sqhk.co/dudofolejune/jajghhd/19098891107.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://59b17237-83b3-47c6-9d40-f547da5b0434.filesusr.com/ugd/827194_7cb649db921443c2831af5b8f869562b.pdf?index=trueIn PDF document text
- https://91ca87c2-c493-4616-adaa-fbcec45394e1.filesusr.com/ugd/6116da_3e48d608f1c34a9ca59b1f1205423c5b.pdf?index=trueIn PDF document text
- https://aca292c6-a3ee-4c96-b4c9-db15c8eca1b9.filesusr.com/ugd/cd1d52_b410dac795cc44f3af86650e17409179.pdf?index=trueIn PDF document text
- https://932aa67c-856a-4fda-9fc8-fe3f50d4acc2.filesusr.com/ugd/a25eee_06e4f74ccc8f4ee5ad2ac2b7a5226f81.pdf?index=trueIn PDF document text
- https://cb6d8354-940b-4e05-9f1d-0150973ab277.filesusr.com/ugd/882da0_743f3b9d370b4ab9984016721dc436ac.pdf?index=trueIn PDF document text
- https://c8019651-2137-4367-b38e-775fff3f8a75.filesusr.com/ugd/fc5a02_8270bb6b0ddc47aca98100f9f056e076.pdf?index=trueIn PDF document text
- https://9aef9be9-4304-4ec6-b02b-ded1eabc5d1b.filesusr.com/ugd/a571b8_05aa5d0f379741f48d31d2c9150861c8.pdf?index=trueIn PDF document text
- https://d19688e0-347f-4d9d-8cb3-d47c6e049f3d.filesusr.com/ugd/c618e9_5c20025a900e43b9b0d443f76649103c.pdf?index=trueIn 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_off000104a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A3 | 5504 bytes |
SHA-256: bc5840bed33f0fa72e2e8f88930f82e3f505d2cdc9bc2c3c0fd5206ed1d0bb7a |
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font_01_sfnt_off00011750.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11750 | 12600 bytes |
SHA-256: d6f9eff3c923da7ef575c4022263cee695127fac583da0b7ce09e6324c227fa0 |
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