MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites. The embedded URLs, such as 'https://coretry.ru/uplcv?utm_term=repent+sinner+meaning', are likely used to distribute further malicious content or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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://coretry.ru/uplcv?utm_term=repent+sinner+meaning PDF link annotation
- http://redagowanieprac.net/Upload/file/26059687684.pdfIn PDF document text
- http://onthebroadway.com/CPD/adminpanel/upload/file/pezubovanobij.pdfIn PDF document text
- http://lisaarkin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/65770340711.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16146c151c8d31---11507219778.pdfIn PDF document text
- http://antwerp-reefer-tournament.be/argt/files/fekebijuvas.pdfIn PDF document text
- http://tobn56.com/UpFiles/file/40140264787.pdfIn PDF document text
- http://terremeraude.com/userfiles/file/61717522508.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/rakameb.pdfIn PDF document text
- http://kowel.com/ckfinder/userfiles/files/1630749594.pdfIn PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/59113268451.pdfIn PDF document text
- http://www.arborvitae.cz/ckfinder/userfiles/files/81316263618.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/24tvnjv3ci5gml479va05kslr8/74967929536.pdfIn PDF document text
- https://sandipkumardutta.com/ckfinder/userfiles/files/84003616233.pdfIn PDF document text
- http://www.cerel.eu/images/wyswig_images/file/rufanisogojobijikexulupit.pdfIn PDF document text
- https://kamwalibais.com/userfiles/file/11638532473.pdfIn PDF document text
- https://z87992961.com/upload/files/20210909192139.pdfIn PDF document text
- https://bevasilicones.in/userfiles/file/11887360378.pdfIn PDF document text
- http://aleshashop.net/uploaded_files/userfiles/files/6944086582.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/aeb90ab9bfb713aacd32815ee5580a2f/kupapofula.pdfIn PDF document text
- http://growlink.biz/userfiles/file/pumixuwavuvomanuw.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/01114634a16fc144c2ae43c32548ef5e/pigoxek.pdfIn PDF document text
- http://sabaispa.net/userfiles/file/silafugovedobokoxajeve.pdfIn PDF document text
- https://telliogluhukuk.com/userfiles/file/4590864984.pdfIn PDF document text
- https://interior-mark.com/ckfinder/userfiles/files/laderoraranilasinofixogu.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_off0000e476.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE476 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC88 | 18968 bytes |
SHA-256: 15953bc8435ecc7f6f91dbe9f64dea3cafa0d97507cd8eddfd5e4942842c1bca |
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font_02_sfnt_off00012cf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CF6 | 10472 bytes |
SHA-256: d148598f7a85492b33818ef60f2a2a4b7aa3f2c2ffe9e62773ff9c439decc4d8 |
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