MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many hosted on disposable domains, characteristic of a link farm or SEO spam. The document body, though heavily obfuscated, appears to contain a seemingly innocuous query about chemical bonding, likely intended to disguise the malicious intent of directing users to a network of potentially malicious websites. The ClamAV detection and ML classifier strongly indicate malicious content, likely phishing or malware distribution.
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://gimoguvi.ru/strik?utm_term=can+ch3och3+form+hydrogen+bonds+in+the+liquid+state PDF link annotation
- https://tuxativavowaz.weebly.com/uploads/1/3/1/4/131437956/luseso.pdfIn PDF document text
- https://cdn.sqhk.co/bevoroxur/idgcj7y/stair_runner_rugs_usa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445103/normal_604693949e42b.pdfIn PDF document text
- https://cdn.sqhk.co/ketegobuto/dgfvhi4/workplace_emergency_contact_list_template.pdfIn PDF document text
- https://cdn.sqhk.co/pixazizaze/qihgihe/sabutewamuxalo.pdfIn PDF document text
- http://xusatekekosigi.iblogger.org/hillsong_worship_songs_mix.pdfIn PDF document text
- https://cdn.sqhk.co/buwowunuras/jeia1hb/my_endless_racers.pdfIn PDF document text
- http://rejuxipo.iblogger.org/korid.pdfIn PDF document text
- https://sekamaxe.weebly.com/uploads/1/3/4/5/134590712/9c9524.pdfIn PDF document text
- https://forugizatufuru.weebly.com/uploads/1/3/1/4/131410167/df0face7.pdfIn PDF document text
- https://xaxidotuviw.weebly.com/uploads/1/3/0/9/130968933/ff7282f.pdfIn PDF document text
- https://dujisiseruw.weebly.com/uploads/1/3/0/7/130776106/5920431.pdfIn PDF document text
- https://jabofewikan.weebly.com/uploads/1/3/1/4/131437477/xifeladadef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480590/normal_602dc651b94cd.pdfIn PDF document text
- https://cdn.sqhk.co/wexopaxine/igbjbhf/alucobond_vray_material_free.pdfIn PDF document text
- https://cdn.sqhk.co/bivuwusim/QdcjhQU/cvs_caremark_home_delivery_form.pdfIn PDF document text
- https://cdn.sqhk.co/gufojakig/cDt2jdk/98398841067.pdfIn PDF document text
- https://tawatoxox.weebly.com/uploads/1/3/4/0/134018263/8389372.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386363/normal_60540655df276.pdfIn PDF document text
- https://cdn.sqhk.co/sowojusawepu/jdhfgey/39909620933.pdfIn PDF document text
- https://cdn.sqhk.co/nuxazagugura/jHQTrjb/govor.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408599/normal_5ff13c7d4e66a.pdfIn PDF document text
- https://pudijeda.weebly.com/uploads/1/3/4/5/134586696/960e70842.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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_off0000e903.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE903 | 5872 bytes |
SHA-256: c3baa780a83600410c34c9feead73d330743089bd76485c43c94b159d3405168 |
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font_01_sfnt_off0000fcce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCCE | 11840 bytes |
SHA-256: fdc4162e3c25d4544e6f0bf730b137a2b1414765088430e0d25fde68fa057d87 |
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font_02_sfnt_off000124ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124EC | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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