MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress upload storage or disposable hosting, indicating a link farm designed to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly suggest a malicious intent, likely phishing or malware delivery. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the interpretation of this file as a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://huntic.ru/uplcv?utm_term=rip+curl+tide+watch+user+manual PDF link annotation
- http://vpecargo.com/userfiles/file/87141168026.pdfIn PDF document text
- https://tlkingatlan.hu/kepek/other/file/ruvakekegotemivebixesufud.pdfIn PDF document text
- http://print-resource.co.uk/ckfinder/userfiles/files/nonukozaxofowigamonozumag.pdfIn PDF document text
- http://mega-gold.com/userfiles/files/26886623173.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612fedec3d629---88650567516.pdfIn PDF document text
- http://dominopark.pl/public/upload/ckfinder/userfiles/files/gikiregemepudivupuzo.pdfIn PDF document text
- http://hitecds.com/userfiles/file/jafiroxumanite.pdfIn PDF document text
- http://fge-service.com/userfiles/file/nitimupuxaz.pdfIn PDF document text
- https://tourpon.kr/FileData/ckfinder/files/20210902_E05A7646189D6828.pdfIn PDF document text
- http://eau-msu.ru/ckfinder/userfiles/files/wefizak.pdfIn PDF document text
- https://houstoncoinshow.org/FCKeditor/file/pefozunebigemen.pdfIn PDF document text
- http://jewelry-shopping-city.com/uploads/files/202109040513399907.pdfIn PDF document text
- http://dragoniresorts.com/userfiles/87558314646.pdfIn PDF document text
- http://www.motionmantra.com/userfiles/files/27771807635.pdfIn PDF document text
- http://peoplefineart.com/assets/202109/files/20210908110332981223.pdfIn PDF document text
- https://forssh.com/userfiles/file/tonevagatozepesavunatezos.pdfIn PDF document text
- http://5percent-design-action.com/upload/users/files/vokoxunajituroxuwekavuge.pdfIn PDF document text
- http://bangkokmagnetwire.com/ecodev_test/image_system/files/ratukusivepilugogudoj.pdfIn PDF document text
- http://net-marketing.hu/images/files/77106049298.pdfIn PDF document text
- https://corpeverest.com/ckfinder/userfiles/files/katopasewekuwu.pdfIn PDF document text
- https://zlato-stribro-investice.com/upload/files/kolixo.pdfIn PDF document text
- http://cga82.com/admin/File/78250100357.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/b267d276a851dc661706c3437e07545b/90450393833.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/f04a5908225d3a5dbe67941058b4358e/fobebogisedu.pdfIn PDF document text
- http://andreuma.madteam.net/ckfinder/userfiles/files/wepabezoniwede.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_off00010de6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000125f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125F8 | 19108 bytes |
SHA-256: 25b9a2917f46d6b5af011a88730cbf821e8ffef31008c224cf6b2016bf09b442 |
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font_02_sfnt_off000157b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157B8 | 10892 bytes |
SHA-256: 2711b56a12c2375e903ddaeb926b6f2ea220642619a7508982327b03c066a548 |
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