MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users. The presence of external URI heuristics and the compromised CMS upload link farm indicate a likely attempt to distribute malicious content 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://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6fc9832ef6.pdf In PDF document text
- https://mirrorlink.com/public/files/files/2282461535.pdfIn PDF document text
- http://glassco.ca/clients/9/99/99aa1728c1dafa3cf8773a75727b87c9/File/88520004464.pdfIn PDF document text
- http://ambulatorioveterinariomariani.it/userfiles/files/38862976604.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16097c3f6670ad---36428503453.pdfIn PDF document text
- https://vietrocknet.org/app/webroot/img/files/gegujovakotezenu.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161006c610764b---tomikigarofopozinepojiber.pdfIn PDF document text
- http://aimic.com/userfiles/file/97696010243.pdfIn PDF document text
- https://virker-ikke.dk/files/40097651301.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/f6adee62509d7e1b32bb4d6b4cded0fc/57769381372.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/98732306901.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160ee4cc5ae422---fitaw.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b03d0511ce2---46071478242.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1610e4d666aa88---39013604567.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b334d07f249---mibobore.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb47426d588---35498007859.pdfIn PDF document text
- http://appartenvue.net/appart/upload/images/judigi.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9b93b7abe---mapodonezawukojategago.pdfIn PDF document text
- http://icltindia.in/userfiles/file/220695610.pdfIn PDF document text
- https://stopserv.ru/files/file/renikixapofolitewufovof.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/3811803641.pdfIn PDF document text
- http://summitremodelinginc.com/userfiles/files/83435763376.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1611b07a91cac9---48471942876.pdfIn PDF document text
- https://isabellepieman.com/userfiles/file/roxotenaxunewizesemosadab.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=adobe+reader+convert+pdf+to+excelPDF 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_off0000b67e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB67E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE95 | 10640 bytes |
SHA-256: 71dffa96cfef0961e9c762fdf5c0525aa13b1e4d41bedbbb89b56363c2b5f949 |
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font_02_sfnt_off0000e6e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E0 | 16488 bytes |
SHA-256: e3d584f639c977e06540ce0dfa4a981e05a31c59ecb1632cd30d4539b179b862 |
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