MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is often used to redirect users to malicious websites or download further payloads. Several heuristics indicate the PDF is part of a link farm, with many URLs pointing to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://allseasonsart.com/uploads/fck_uploads/file/29295111426.pdf In PDF document text
- http://servis-hradec.cz/files/file/gabez.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/719c8bf960fbf0d55de797b173fe54ea/xefusalekajafamakinexuna.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160a4af5c0a0e8---97892133916.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c71c2ce3294---ruzivud.pdfIn PDF document text
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/f878cfe2f69384f8f53903714ba5809e/392208682.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9e27afcca---49991069787.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/livirizoveburenino.pdfIn PDF document text
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/wuwasisorafapuw.pdfIn PDF document text
- https://healthlantern.com/ckeditor/ckfinder/userfiles/files/wixexegarozowu.pdfIn PDF document text
- https://elger.cz/fckphotos/file/80980953129.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609423aa1b043---37127357771.pdfIn PDF document text
- http://maychamsocda.vn/images/userfiles/file/39796832742.pdfIn PDF document text
- http://aj-logistics.com/stock/userfiles/file/32950252559.pdfIn PDF document text
- http://www.odnpoznan.pl/fotki/file/file/vedidasusegaxadefepuxetef.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f13c314e9db---rakonuzaworunekuloxebawi.pdfIn PDF document text
- http://chongros.com/userData/board/file/nirexufalazilazalalesikop.pdfIn PDF document text
- http://4x4autok.hu/userfiles/files/bavawirotamododelen.pdfIn PDF document text
- http://elma-itc.ru/!upload/files/jobixobuvunozi.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b92ce76fed1---92813919279.pdfIn PDF document text
- http://kingsauto-bar.com/js/upload/files/13754828165.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/repcfkjatchh1mqkr73ov35eg3/73575949387.pdfIn PDF document text
- http://lokale-uzytkowe.pl/uploades/fckeditorfile/zamutafomasulufulogekosol.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607788657316f---xozejitixafajuv.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/9p4ajdgsntfaob6ekm5f0u5c0h/31317878410.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=gary+born+international+commercial+arbitration+pdfPDF 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_off0000ded7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDED7 | 18276 bytes |
SHA-256: 46f35cd5af64660c29064d3b92d2f2bd4f0c4e26107300bca142487889a1381f |
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font_01_sfnt_off00010e9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E9D | 10908 bytes |
SHA-256: 7f3e20992864a3283ecbbcb8324faa17b3d128eea95a0d058994a64b31663053 |
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font_02_sfnt_off000127a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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