MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, indicating it is likely a phishing or malware delivery attempt. The document body contains a lure text suggesting a confidentiality agreement, and numerous external links are embedded, many pointing to PDF files hosted on disposable or link-farm-like domains. The presence of external URI and link farm heuristics strongly suggests the document's purpose is to redirect users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://leonvi.ru/wix?keyword=please+find+attached+the+confidentiality+agreement PDF link annotation
- https://cdn.sqhk.co/pixafosabow/rggrfEW/tewagero.pdfIn PDF document text
- http://study-english-05.site/pradhan_mantri_awas_yojana_application_form_in_kannada8vkvm.pdfIn PDF document text
- https://cdn.sqhk.co/sadebupunen/dgiIhgi/digestion_of_carbohydrates_proteins_and_fats.pdfIn PDF document text
- https://cdn.sqhk.co/nukuzulu/ogfibhf/4988461538.pdfIn PDF document text
- https://cdn.sqhk.co/dijogiper/kjcMjiN/91754621893.pdfIn PDF document text
- https://cdn.sqhk.co/zasokolof/AEV4jbt/art_therapy_definition_baat.pdfIn PDF document text
- http://appless.space/flatland_edwin_abbott_freezfudn.pdfIn PDF document text
- https://xikobidena.weebly.com/uploads/1/3/6/0/136097244/xoxejo-zokuwa-kuzavew.pdfIn PDF document text
- https://dugeditukuvil.weebly.com/uploads/1/3/4/7/134723955/popogepanatuwi_fogitejulaf.pdfIn PDF document text
- https://cdn.sqhk.co/zamodozitip/giTigpx/immortal_destiny_yugioh_amazon.pdfIn PDF document text
- https://runumoviw.weebly.com/uploads/1/3/4/8/134854062/selekivexur-dawugegok-punekapukij-tiselav.pdfIn PDF document text
- http://kino-vezde.ru/suzuki_m109r_performance_partscfc4w.pdfIn PDF document text
- https://cdn.sqhk.co/sewoliwadumi/piiaNhc/learn_spanish_vocabulary_with_pictures.pdfIn PDF document text
- http://passive-income.ru/zombie_army_4_dead_war_pc_gameplayzd327.pdfIn PDF document text
- https://mogopefisumiba.weebly.com/uploads/1/3/5/2/135295831/7a50b109b47.pdfIn PDF document text
- http://fruittea.space/axa_framlington_monthly_income_fact_sheetblvgg.pdfIn PDF document text
- https://wukarogokemek.weebly.com/uploads/1/3/0/7/130739107/tozovufuwim.pdfIn PDF document text
- https://cdn.sqhk.co/konanetufuda/Trhidjj/horizon_hobby_rc_car_review.pdfIn PDF document text
- http://idealsit.fun/55936317498y76dn.pdfIn PDF document text
- https://vekatofe.weebly.com/uploads/1/3/0/7/130775682/1591292.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA84 | 5536 bytes |
SHA-256: 9256a56974b4ad2175d3f3ab8a3758587144d13f49fe0fadcd84047df7f5512c |
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font_01_sfnt_off0000ed33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED33 | 2944 bytes |
SHA-256: 03621652d10fb600abcbe8c31ed6680bc298fb16a6360f8de22481a905398700 |
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font_02_sfnt_off0000f739.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF739 | 10648 bytes |
SHA-256: 2852eab5f565eb122328754fe2eee97e4fb13e8d2f56019b11919b89451487fb |
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