MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier. It contains numerous embedded URLs, many of which point to compromised WordPress sites acting as a link farm. The presence of these links suggests an attempt to lure users to malicious or phishing content, aligning with a spearphishing attachment attack pattern. No scripts were extracted, limiting the analysis of direct execution vectors.
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 http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139160266408---vaxatewitovitav.pdf In PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132c70ee549c---2177251873.pdfIn PDF document text
- https://vientangluc.com/upload/files/29125862248.pdfIn PDF document text
- http://gpe-el.pro/ckfinder/userfiles/files/90392316047.pdfIn PDF document text
- http://hanasushipickup.com/uploads/files/fizisen.pdfIn PDF document text
- https://argekaucuk.com/nbg/upload/files/7109619036.pdfIn PDF document text
- http://cbcom.eu/ressource/site-image/files/63407606850.pdfIn PDF document text
- https://manuscripthandler.com/userfiles/file/27892614755.pdfIn PDF document text
- https://specializedfacilitymgt.com/public_html/userfiles/file/dilolisaxavir.pdfIn PDF document text
- https://rarahil.org.np/ckfinder/userfiles/files/nenagararowatuzebeworato.pdfIn PDF document text
- http://netmode.net/app/webroot/uploads/files/14118311758.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/2lruo1vjrtq1fvtsctjhj291ge/xojebo.pdfIn PDF document text
- https://anitt.in/ckfinder/userfiles/files/19966284908.pdfIn PDF document text
- http://masonhn.com/d/files/nimesiz.pdfIn PDF document text
- http://dastone.ru/userfiles/file/xaxepimerekotusikedufajuj.pdfIn PDF document text
- https://maturana.cl/upload/file/gibatowimux.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a96089060d---zatasam.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe2aa826d9---70428476939.pdfIn PDF document text
- http://marienoellebermond.com/img/uploaded/file/55958592266.pdfIn PDF document text
- http://klwas.org/userfiles/images/file/famexojoforen.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613db8a0e181a---gurumid.pdfIn PDF document text
- http://rideabikenews.com/user_img/files/87444964353.pdfIn PDF document text
- http://westernstudioservice.com/admin/userfiles/file/tozinidovotagulagabi.pdfIn PDF document text
- https://sukaunited4d.vip/contents/files/vogajixufobepibofozozepib.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=cbse+8th+class+maths+textbookPDF 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_off0000b685.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB685 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE9C | 10772 bytes |
SHA-256: 45812c25e4e69f5b456aad2b04d3e21286bb2277fa04f450b0a127ad83175266 |
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font_02_sfnt_off0000e790.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE790 | 16712 bytes |
SHA-256: ca0e8b4132dc33ee99e1cde04cb0bff633836838433dc8306d2647dffb409efc |
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