MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a phishing or malware distribution scheme. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this, pointing to a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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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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://irlanc.ru/uplcv?utm_term=carols+for+choirs+3+pdf PDF link annotation
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/db75224943d1926599978193980a2a08/86174108344.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609861f97aeea---60048928812.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/d80ms8r0fk6t4k3smfs123v0k5/94133286455.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5529b355de---6627951387.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/lbumne7kn3maiige693dcdfb45/50905325846.pdfIn PDF document text
- https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/ngpqp42m4o5eiden666fr3pnoh/32214954445.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/file/sinumos.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1608296e2db204---80541937429.pdfIn PDF document text
- https://pixel.bg/img/file/povode.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1607d482be5de5---jutuxulazinuwire.pdfIn PDF document text
- http://stphilomenaonline.org/userfiles/file/40822178657.pdfIn PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/gd7qsv4ae6mrbn7d5odprg5hqt/kegonaxobegujadinopunisob.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a84fe5f5d---dativupi.pdfIn PDF document text
- http://irollee.com/userfiles/file/pokinitane.pdfIn PDF document text
- https://stomatoloska-ordinacija-rijeka.com/files/vizesezilulerugolaluzati.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/52ph54gvgojj4ka3c48kvl71ct/75007524485.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b6524b2c85---derinozobivorap.pdfIn PDF document text
- http://stalmont.eu/userfiles/file/pazupesogerosot.pdfIn PDF document text
- http://cablexconsulting.com/Upload/file/legewixikumu.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609479818f610---wifetigifibageza.pdfIn PDF document text
- https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/221b347668ec2b2ad848112ce4a94b8c/wepogevedut.pdfIn PDF document text
- https://penmypoem.com/new/admin/uploadfiles/file/86842703259.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c414386503b---22086248033.pdfIn PDF document text
- http://lltsg.com/uploadfile/file///2021071222310152.pdfIn PDF document text
- https://istihdamhaberleri.com/upload/ckfinder/files/36029705690.pdfIn PDF document text
- 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_off00010721.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10721 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011f33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F33 | 18532 bytes |
SHA-256: 6b89b1af2edfbcfad1e6a2e9c02100e16952ca31046341e3a5d8ecc1770b734c |
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font_02_sfnt_off00014e98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E98 | 10584 bytes |
SHA-256: 0d2ab6fac093a97c784a65bbc9fd84ec79eeebabfb83aa5963d53c187180ae6b |
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