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 0.9996
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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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://zajinet.ru/strik?utm_term=petsafe+bark+collar+not+working PDF link annotation
- http://terem.space/tasosamurivipizujopyyi30.pdfIn PDF document text
- http://pe50off.info/migaduyb1e7.pdfIn PDF document text
- http://verification-help.business/burnsville_volkswagen_service_couponsotn12.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380890/normal_5fdc1914e6db3.pdfIn PDF document text
- https://rupodekopo.weebly.com/uploads/1/3/4/6/134642208/3391928.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472479/normal_6043bf4eb1a45.pdfIn PDF document text
- https://gewedawinun.weebly.com/uploads/1/3/4/7/134745389/3352523.pdfIn PDF document text
- http://stonersfranchise.com/bahishti_zewar_banglav1jyd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495392/normal_604d32ca73213.pdfIn PDF document text
- https://dowebirajosem.weebly.com/uploads/1/3/6/0/136010559/ee1cbfa15a613e.pdfIn PDF document text
- http://mugedly.xyz/16581263565zmlio.pdfIn PDF document text
- https://zuxubemusaf.weebly.com/uploads/1/3/1/4/131453996/mukovisisor.pdfIn PDF document text
- https://sixobeludid.weebly.com/uploads/1/3/5/2/135298518/f146644d212f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://wupejuxudeg.rf.gd/eng1_medical_certificate_form.pdfIn PDF document text
- https://0dc5016f-38c0-4e11-84f4-4717e3ef4ec7.filesusr.com/ugd/4fd84c_b7205860ed3e409b867044dc5295d735.pdf?index=trueIn PDF document text
- https://45e41439-46a4-4c97-84f0-155cfeda4cef.filesusr.com/ugd/9d7ad9_0accf4c82b80453d83148d7cb2b8c976.pdf?index=trueIn PDF document text
- https://50fe66f1-00be-429c-ab6c-57a9f80d6ab9.filesusr.com/ugd/39cb9d_26eb82a483394630b1375ed40e0aea18.pdf?index=trueIn PDF document text
- https://73c25812-7308-4b32-b985-10e2a25710ca.filesusr.com/ugd/5b604d_630b809e0a724cc4b7616f5a4d9da771.pdf?index=trueIn PDF document text
- http://zegigofupiva.rf.gd/juxofafilunisofixebimem.pdfIn PDF document text
- http://sepimenixinu.epizy.com/upload_gif_to_instagram_android.pdfIn PDF document text
- https://5e1449e8-5ae4-4a15-bc7a-ee23795bc964.filesusr.com/ugd/3a34a5_f7e2e06fe402470c9521653a09a132c7.pdf?index=trueIn PDF document text
- https://4be8a7ba-6c9a-47a4-99fc-a5961b41a404.filesusr.com/ugd/132250_c30c9231063c42dda9273c6444cb7803.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_off0000f20e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF20E | 5348 bytes |
SHA-256: 222414b38e8a3c8cb3443546ce089aea8d157594d9ad5c6ee6e05483ab981463 |
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font_01_sfnt_off0001046a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1046A | 11164 bytes |
SHA-256: a03b10898fc88aa705ae999c9b8cb4d0c5b047aa5c4a62a36931e8de98e475b8 |
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