MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs and links, many pointing to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm. The primary purpose appears to be directing users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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 https://queure.ru/uplcv?utm_term=amazing+spider+man+2+apk+android PDF link annotation
- https://baglab.pl/galeria/file/58239476231.pdfIn PDF document text
- http://camelliafb.com/uploads/files/202109060744552534.pdfIn PDF document text
- http://dental-forum.ru/userfiles/file/bivuwidevisisux.pdfIn PDF document text
- http://gamboeng.com/assets/ckfinder/userfiles/files/xivadodajujifap.pdfIn PDF document text
- http://www.ville-dammarie.com/ckfinder/userfiles/files/3244479899.pdfIn PDF document text
- http://youil.org/userData/board/file/8972137086.pdfIn PDF document text
- http://mextro.de/upload/files/fajinowogufuxuxuwopomame.pdfIn PDF document text
- http://polaryachtmanufactory.com/res/wysiwyg/file/fopokogireg.pdfIn PDF document text
- https://marlin-shop.ru/ckfinder/userfiles/files/95380271045.pdfIn PDF document text
- https://hijaustabilo.com/contents/files/78957800845.pdfIn PDF document text
- http://dymenahealthcare.com/upload/fckeditor/file/kixuwonazota.pdfIn PDF document text
- https://adtw1.elfjane.com/ckfinder/userfiles/files/lojuvimaw.pdfIn PDF document text
- http://www.gc-antey.ru/ckfinder/userfiles/files/73718508128.pdfIn PDF document text
- http://bebelino.ru/userfiles/file/nutuvefubedoximawox.pdfIn PDF document text
- https://thuhuonglacquer.com/uploads/news_file/minave.pdfIn PDF document text
- https://chingchia.com/uploads/files/202109231911368836.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/16151ab6e7b6b7---80766000843.pdfIn PDF document text
- https://muahohangnhat.com/app/webroot/uploads/files/wopuxokobap.pdfIn PDF document text
- http://stilna-ya.com/_userfiles/file/12733355659.pdfIn PDF document text
- https://webhosting4.net/media/file/17099573197.pdfIn PDF document text
- http://contrast.no/ckfinder/userfiles/files/fesabitekapikamureripipep.pdfIn PDF document text
- https://lanna-flyingclub.com/ckfinder/userfiles/files/95276144210.pdfIn PDF document text
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/77787169593.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/5b3b0bdbce2d87363a44cd50c91cfe45/5168037359.pdfIn PDF document text
- http://tamtamphat.com/upload/files/kamufunupila.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/42ru11due75thledta2ok0ndr3/79800410642.pdfIn 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://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_off0000b52a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB52A | 10844 bytes |
SHA-256: 0ba6bf5f28e81ca1661320fe0034f168207b4c6fe35b0bada27f9b795a0d4a06 |
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font_01_sfnt_off0000ce11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE11 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e623.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE623 | 15724 bytes |
SHA-256: 120e783c7f48b0d4e16ac3e8e6f6c724dc4f48ba6f56838f4588fbfc6ed2a86d |
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