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 0.9996
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://resalured.ru/strik?utm_term=stumbling+into+happiness+review PDF link annotation
- http://madusotiju.22web.org/16189645778.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375339/normal_5fd67ded2028e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470552/normal_601047113179c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413567/normal_60470dc4af38b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413454/normal_6031242228fa9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451047/normal_600e6a63d329f.pdfIn PDF document text
- http://bibunom.iblogger.org/ias_botany_notes_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426556/normal_604f63fba672a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426810/normal_6053bd484bfbe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379603/normal_5fc87c3295178.pdfIn PDF document text
- http://keepmaxi.space/batangas_state_university_college_application_formg842v.pdfIn PDF document text
- http://prizinsta.site/gigizexawijozipugekujo6zbq2.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
- https://s3.amazonaws.com/rubidokezive/risperdal_consta_dosage_forms.pdfIn PDF document text
- https://cc46d2ba-e7cf-42f8-aa62-b015a0c17ef0.filesusr.com/ugd/d180c3_4b19d4b6f59945d5b9d5f93c22f0f46a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/leteraxewe/88170792658.pdfIn PDF document text
- http://fobifuv.epizy.com/75402170503.pdfIn PDF document text
- https://s3.amazonaws.com/penefelomiju/28930666047.pdfIn PDF document text
- http://puwagof.rf.gd/six_sigma_green_belt_project_report.pdfIn PDF document text
- https://eed7fa7e-4f31-4ba6-8269-e73f07ac74c5.filesusr.com/ugd/93374d_1b7d3b2e0cec40d1b9325a17ccd610d0.pdf?index=trueIn PDF document text
- http://fosisidevafepet.epizy.com/daxipiretowifaxowemagol.pdfIn PDF document text
- https://7f993087-45f6-41f4-96e5-9dcaca18fb91.filesusr.com/ugd/9a92dd_c5141bcbcf224aaa8c29ac3d808059fc.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA98 | 5512 bytes |
SHA-256: bdbf9cade0c980a3f0ed4379334b7f6f48e3c3e32644b6456a9ec239a5c6cc3f |
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font_01_sfnt_off0000fd2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD2E | 10984 bytes |
SHA-256: 97573175f0a64e17953511bad12717981c7cb7b028452897b0d1bfcfb5e03abb |
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font_02_sfnt_off0001225b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1225B | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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