MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains a link farm pointing to various PDF files hosted on potentially compromised websites, suggesting a phishing or malware distribution attempt. The presence of external URIs and link farms indicates an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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 http://el-master.ru/userfiles/file/gukotuzijarikolaw.pdf In PDF document text
- https://tonthephunglan.vn/upload/files/62181214314.pdfIn PDF document text
- http://avvocatoandreabruschi.it/userfiles/files/70124953805.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/cnbrdi9k29clucgebde1nnhio2/35483484898.pdfIn PDF document text
- https://onlinendttraining.net/files/wimifizafinelomelulebu.pdfIn PDF document text
- https://anakaygame.net/calisma2/files/uploads/92205092466.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/h7fjrqhc4gjf4dpfk7c0os1gn0/5792499610.pdfIn PDF document text
- https://radiosmile.hu/upload/file/11033241457.pdfIn PDF document text
- http://anpharma.net/upload/files/sagaxi.pdfIn PDF document text
- https://mgrenginiai.lt/ckfinder/userfiles/files/bozigovavilewewinopite.pdfIn PDF document text
- http://cuathepvangohaiduong.com/images/ckeditor/files/1266150430.pdfIn PDF document text
- http://nbmounts.com/userfiles/file/1631303171.pdfIn PDF document text
- http://summitremodelinginc.com/userfiles/files/gozobimupiwinulobuzakedi.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/285a282c7d2e86b56113d2afc7a379bd/jiledinikobasedif.pdfIn PDF document text
- https://komunalno-vrgorac.hr/files/vizaw.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613399003834f---87227996325.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/245a0f5b04bc015420dba1f43e397c49/42162759738.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613550f5e2fa1---23056738861.pdfIn PDF document text
- https://bibonatura.com/ckfinder/userfiles/files/vevavikipolebetes.pdfIn PDF document text
- http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/72787485766.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1613612aa3a6de---dujejajozoxivux.pdfIn PDF document text
- http://erainbowrealty.com/userfiles/file/tilumobowitafadukut.pdfIn PDF document text
- https://derechosenred.org/aym_image/files/puwiwep.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/79325050722.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16135440f87646---87897650422.pdfIn PDF document text
- http://gleb777.com/fck_upload/file/91110037248.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=download+app+from+chromePDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d93e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD93E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f155.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF155 | 10616 bytes |
SHA-256: 1a2f3c5a9651341d90206df48805475d884cf8e5f30cb109678359ec356956bb |
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font_02_sfnt_off0001096c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1096C | 16944 bytes |
SHA-256: 8ee94c4f71a58b288aebe1810483b2dd6cdd970230a651f76f834def2baa0031 |
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