MALICIOUS
226
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. It uses a password-protected-archive 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 0.9995
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://crophysi.ru/strik?utm_term=how+to+solve+e6+error+in+ac PDF link annotation
- https://cdn.sqhk.co/fosuzonarefi/ViaNxIc/figaxisevafirezedur.pdfIn PDF document text
- https://mafekesajivirik.weebly.com/uploads/1/3/4/3/134381466/5702cd8d376d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404725/normal_601e3dc86e6bc.pdfIn PDF document text
- http://ninuwekevap.scienceontheweb.net/57434297600.pdfIn PDF document text
- https://cdn.sqhk.co/jigavozef/gihcphj/kodent_dental_lab.pdfIn PDF document text
- https://cdn.sqhk.co/gegatuzikat/jbygihb/lock_screen_reset_password_not_working.pdfIn PDF document text
- https://cdn.sqhk.co/luzigagoguna/Qchiphd/vefolisexufovexeduta.pdfIn PDF document text
- https://pitamiled.weebly.com/uploads/1/3/4/0/134098016/davakoxotemegem-muvede-dulemoranusow-mowiwow.pdfIn PDF document text
- https://cdn.sqhk.co/voxedifi/A664Kha/watch_nhl_all_star_game_online.pdfIn PDF document text
- http://worelimupuvefam.mywebcommunity.org/ciencias_naturales_5.pdfIn PDF document text
- http://dafesoxexigu.medianewsonline.com/ctet_syllabus_paper_1_and_2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481839/normal_603a2723e7024.pdfIn PDF document text
- https://cdn.sqhk.co/lotidonita/gfEjdjc/fanodeg.pdfIn PDF document text
- https://cdn.sqhk.co/logubaxe/ha7TA6u/free_wallpapers_for_desktop_background.pdfIn PDF document text
- https://punekoba.weebly.com/uploads/1/3/4/6/134612552/kazamipekowunod.pdfIn PDF document text
- https://cdn.sqhk.co/gajerivab/jgieghM/death_pipe_play_online.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501486/normal_5fef59c53ee1b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://60f6da8c-824c-4163-aae9-6195f2ac7ed4.filesusr.com/ugd/7f16bd_6cd9e2a87b994a8eb2575bd6aa814da2.pdf?index=trueIn PDF document text
- https://db244590-af71-4c33-bd6e-2f8f55f31281.filesusr.com/ugd/fdab61_7f28c92cc8f543f799111168135ca0f8.pdf?index=trueIn PDF document text
- https://7f06b679-e14d-4525-8955-d56a7cf6f710.filesusr.com/ugd/79e5df_9551dcf3cc484557b8befea6029e962b.pdf?index=trueIn PDF document text
- https://8569cc17-8b2a-4187-ace0-95b0550b99f0.filesusr.com/ugd/d6eede_4cfcf8f35dd54e8a8bee13622070c458.pdf?index=trueIn PDF document text
- https://c183b790-cb34-49aa-848e-1a9f2b14dda3.filesusr.com/ugd/d8966e_c4ad5aa37ade4bd889d2d711853cdcf1.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_off0000f023.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF023 | 5060 bytes |
SHA-256: 16e62d2e53b202b296866f3cebc6eeada8d8776845626d4b6e28dd94874e43a8 |
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font_01_sfnt_off00010181.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10181 | 10152 bytes |
SHA-256: 07e04ed185931625bcdffb78953747db475167aeded5550fc969c81de0dd6ff2 |
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