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 links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, indicating a link farm designed to redirect users to malicious content. The presence of external URIs and link farm heuristics strongly suggests an attempt to deliver a secondary payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://laborke.ru/uplcv?utm_term=what+act+and+scene+does+macbeth+kill+duncan PDF link annotation
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145bac0c8965---tijiw.pdfIn PDF document text
- http://yeongwonenc.com/userfiles/file/nasilojolasit.pdfIn PDF document text
- http://chuanghuilaw.com/filespath/files/20210902124346.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161539c4191b7e---ralazenalawelimatapu.pdfIn PDF document text
- http://goksirkrupskimlyn.pl/img/upload/files/sobinatatimibemibexujo.pdfIn PDF document text
- https://kiaavcilar.com/upload/ckfinder/files/zadulawalisogetosazawife.pdfIn PDF document text
- http://ha-sine.com/d/files/82266836310.pdfIn PDF document text
- http://suaups.net/userfiles/file/jifaboj.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0a3cd1d1f8ba35e0f5ee1dddc9134c98/60030110861.pdfIn PDF document text
- http://vncdata.net/app/webroot/uploads/files/55518792566.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1be4129c9---27782392249.pdfIn PDF document text
- https://anjingliar2.com/contents/files/15901703552.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/6b56e7ae267df756e1f019425f13a924/47541592057.pdfIn PDF document text
- http://prochem.vn/images/uploads/files/xenigiworozizuko.pdfIn PDF document text
- http://simsvizag.com/admin/uploadedfiles/file///95319072574.pdfIn PDF document text
- https://vannordenvastgoed.nl/userfiles/file/teloretofotipuvas.pdfIn PDF document text
- http://ufnk.fr/app/webroot/files/file/94472154975.pdfIn PDF document text
- http://axwelindia.com/uploads/rutajareraten.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161580e3700b14---52842239104.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/suloviworuxagisiv.pdfIn PDF document text
- http://meruzhankhachatryan.com/app/webroot/files/file/97784764560.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140c9190164a---46392312255.pdfIn PDF document text
- https://tinhhoaxanh.vn/userfiles/file/56593941327.pdfIn PDF document text
- http://argol-editions.fr/userfiles/file/mirusakovate.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_off0000b158.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB158 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c96a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC96A | 16608 bytes |
SHA-256: 40d494b8ba9e2309eba265213c1f04397d8a8a548afc19775b6f0cf121837ce1 |
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font_02_sfnt_off0000f333.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF333 | 10860 bytes |
SHA-256: 587a4c05a725281202805899502fc223fc46433b3065be90069b19f3c78d6a50 |
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