MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based 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 0.9996
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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/123?utm_term=stenosis+of+carotid+artery+guidelines PDF link annotation
- https://ranedesipa.weebly.com/uploads/1/3/1/3/131398497/xijesapifijina_nedexaxo_rupudibasij_zutiwip.pdfIn PDF document text
- https://fimiximokizo.weebly.com/uploads/1/3/1/3/131384127/1149989.pdfIn PDF document text
- https://padikolejak.weebly.com/uploads/1/3/4/0/134042397/pususenadewow-gavozep-jebujufikajade.pdfIn PDF document text
- https://gifavunebaxagem.weebly.com/uploads/1/3/4/3/134358660/db06be.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/e95c0a33-b6fd-4d4e-a766-8f707f8e78c5/generalized_anxiety_disorder_severity_scale.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/143ca42f-74f8-4081-8093-ca77c15b6c20/8522222814.pdfIn PDF document text
- http://wenitat.pbworks.com/f/warranty_certificate_word_format.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5feb3464-367a-4857-9664-b1e9a3f52309/best_stock_for_20201.pdfIn PDF document text
- http://jolamibo.pbworks.com/f/mofuvajepuzujilinitebibam.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec71c7bb-7137-41bf-8ef8-0fdd4a1ac498/how_to_use_new_hermes_engravograph.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/270339c3-fa45-4b83-afe0-5737b8aca366/xowetuvapepadusukiluwi.pdfIn PDF document text
- http://rukuvekuke.pbworks.com/f/fiwizewakimupuzudo.pdfIn PDF document text
- http://sovafiben.pbworks.com/f/product_cost_model_excel_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ffc2863-df12-47d6-b443-a9688e56d3f0/tazajuf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/077a70aa-3cd1-4141-bf9c-724a191edfcb/60030408499.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8ba4f41c-6b31-46e2-b418-ea8efcec06c3/hart_shop_vac_reviews.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/477cc8a0-5865-48c0-b47a-4e9869bc6b23/dolesivijalagaxevokegiros.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b46c004f-9ec1-4b0a-9b80-53ed6ba2d6bf/kogififidozigomorobumipik.pdfIn PDF document text
- http://zukitisa.pbworks.com/f/exercicios_de_adjuntos_adnominais_7_ano_com_gabarito.pdfIn PDF document text
- http://javefanudosa.pbworks.com/w/file/fetch/144514083/55437210222.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b9f6603e-a40c-4005-aa76-0a32b00dbb75/pewisige.pdfIn PDF document text
- https://medlineplus.gov/carotidarterydisease.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f088.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF088 | 5392 bytes |
SHA-256: fb70e1f7b79c7b9f0d19b2c15e13a8f7fced7caba4ad2207cc578357591004a5 |
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font_01_sfnt_off000102fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102FA | 10772 bytes |
SHA-256: 25c711eb57567bf41dfc6bc2d5b2a5e9bde387b3958ba117ad1c9c207bf3d718 |
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