MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and a significant number of external links, many of which point to compromised WordPress sites. These links appear to be part of a link farm designed to obscure the true destination, which is likely a malicious payload. The ML classifier and ClamAV detection strongly indicate malicious intent, consistent with a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608405d564b91---jatuxumokamifupon.pdf In PDF document text
- https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/iuigmbqv33t3j1lqdvt0853u1f/vixidesusikuxafizixi.pdfIn PDF document text
- https://campermagazine.tv/public/file/mivifabal.pdfIn PDF document text
- https://gwynharmon.com/home/gwyn/public_html/ckfinder/userfiles/files/45097338917.pdfIn PDF document text
- http://podhoru.cz/userfiles/file/jezivededuju.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1606cebaef263e---55431708874.pdfIn PDF document text
- https://lemanssrl.it/file/59967198037.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cba1356e577---24475446214.pdfIn PDF document text
- https://sfasg.jp/js/ckfinder/userfiles/files/97878934798.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e92ddd1818---22814156945.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb4bb5a579---30418664456.pdfIn PDF document text
- http://haitrungkim.vn/uploads/userfiles/file/70841186134.pdfIn PDF document text
- http://batiment-tunisie.com/userfiles/file/zajegirupapuposakilawep.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/2sombvv09g22vlhedn479kk2cd/xuvorepiwopiwovum.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084685f2757a---wusigosemaxetuxiviju.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/df542b91e197512d387599f630b7a6e4/lajuzadojaniradej.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/st20rpr8nemgmh88pd5helb9kl/vilusovijitalegezag.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/161014493f187b---jojugonurotevatutoj.pdfIn PDF document text
- http://chapelguild.com/images/usr/37662361741.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/4sdndbm324taik2ne12qbefmm0/15594208587.pdfIn PDF document text
- http://drwatsonsr.com/clients/2/2b/2b9a0cf27321ceab3a47fbd10bf94d34/File/nutunarakibopuroto.pdfIn PDF document text
- http://pronobile.de/catalog/file/fowesulupinorekesuwivival.pdfIn PDF document text
- http://www.majbrno.cz/uploads/files/saraxutapuxevulimox.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/fb87d89ff4273b03ac32164ac02caba6/zugudogok.pdfIn PDF document text
- https://evrenmentese.com/upload/ckfinder/files/67019065309.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=scinder+un+pdf+en+ligne+gratuitPDF 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_off0001109f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1109F | 10684 bytes |
SHA-256: f834db8cb7108ff4c87b972ba02dca73dcd1795e9356d7cb97a923324c768aed |
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font_01_sfnt_off00012909.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12909 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001411b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1411B | 24440 bytes |
SHA-256: 53b6758f33f09c9387e7640f7d9c04e6528c7729038031ac458ba8dc33e9157b |
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