MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links pointing to compromised CMS upload storage, acting as a link farm for phishing lures. The 'PDF_SEO_UTM_REDIRECTOR_LINK' heuristic indicates that these links are designed to redirect users to malicious content, likely for credential harvesting. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9865
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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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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://studioagronomoserragiotto.eu/userfiles/files/tufabanun.pdf In PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/22dlb4cs0eoedblmkuvdnphq38/62684151605.pdfIn PDF document text
- http://oio.cn/uploadfiles/files/50904602766.pdfIn PDF document text
- https://davidfoleyinc.com/userfiles/file/golub.pdfIn PDF document text
- https://drvishweshwari.in/userfiles/file/maxaxe.pdfIn PDF document text
- http://kayapaliinsaat.net/file/sitozizirigamaxud.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160cacb9529669---topir.pdfIn PDF document text
- http://thetachikappasigmaalumni.org/clients/5/56/56ac51e2ee760b54d3ff8b7d53c877b7/File/36711270667.pdfIn PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ae0a350410d---43457162550.pdfIn PDF document text
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/311rulsg2u10q8hmivd0jjfrh0/zozax.pdfIn PDF document text
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/dcd138453543de5555b2b1a677722e13/27735003790.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/em31jqesd7v37mj59njquvue3i/76770085611.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/xizivitoderumuvi.pdfIn PDF document text
- https://patoman.ro/ckfinder/userfiles/files/23179469314.pdfIn PDF document text
- https://airflow-skateboards.com/upload/file/sopavupumasifapux.pdfIn PDF document text
- http://win-sonic.com/kida2018/ck_imgs/files/kakimamabepijagemi.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606ebf18c6d89---bisozexuneb.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2b4462288---6865332791.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3885185d36---sexusujafiluboridigewe.pdfIn PDF document text
- https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/38d83ebc1f4fe96bb5d295db0f194b5f/bafefedevizavizumuxex.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160944b25137d5---savesakuzukega.pdfIn PDF document text
- http://www.masozilina.sk/ckfinder/userfiles/files/22697764646.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d09b163d45---27135837532.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=the+uncertainty+in+the+measurement+1500+m+isPDF 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_off00034aab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x34AAB | 20268 bytes |
SHA-256: 99754d7feac9c0ec81b55745f38580613a84a8ae9a303c003efc5c3d41fd7e87 |
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font_01_sfnt_off00037d3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x37D3D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00039554.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x39554 | 10816 bytes |
SHA-256: 1c55e35952ad81e8df73b0bb7fe33e7943d7a486f1ac10045b11875c850cabe5 |
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