MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to potentially malicious content. The 'SE_INVOICE_LURE' heuristic indicates the document may be disguised as a payment notification to encourage clicks. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160716fba59119---51296821446.pdf In PDF document text
- http://www.ufolep-69.com/contenus/files/sojulilatorakivesato.pdfIn PDF document text
- http://obchodsezlatem.cz/upload/files/48248837073.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e23fa74eaf3---87462115293.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/cb9082b0cddde5021896eb14100b5dd8/67579764958.pdfIn PDF document text
- http://pechati-piter.ru/userfiles/file/siriduloxexigagidixa.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-5-19/20210519070058716863.pdfIn PDF document text
- http://mrsinternationalbeautypageant.com/clients/8/8c/8c0f0497d7166b07b5568c04be8084ca/File/45180670635.pdfIn PDF document text
- http://ligneus.hu/upload/file/90115997717.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac37078d48---23339409527.pdfIn PDF document text
- https://1877painters.com/FCKeditor/file/nugavinulaz.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/9c5834e1dee1fecadaac8a5f0b37d387/jaxanebivenidusan.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/cb1aa32a0cfc4b52578f54f333ca5b77/20420779202.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/59e6643d16ad1c80f76275af4f48fdee/25870385483.pdfIn PDF document text
- https://alianzatours.com/imagenes/file/74759652385.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/94f8a675f5da4e8473749ebc5baf7452/35458333746.pdfIn PDF document text
- https://rybczewice.pl/userfiles/file/jixafaj.pdfIn PDF document text
- https://eetravel.net/file/288075333.pdfIn PDF document text
- https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/j3rrf0fb4mk8prrbd9j0nmqdi9/8989818007.pdfIn PDF document text
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759393a81a6---51527015137.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bb950ecfc87---ligorumunerubi.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff6dd6ee9f---80727347124.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160895558b0996---jufetirabasopifat.pdfIn PDF document text
- https://pcparts.fr/ckfinder/userfiles/files/gikokusoxekexubow.pdfIn PDF document text
- http://optimaglobal.net/ckupload/files/34512294287.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/434d6fae8d91c49d85874ec8c71d2fbd/wagewukorizagiku.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=how+to+return+slabway+foot+massagerPDF 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_off0000ef94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000107ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107AB | 10896 bytes |
SHA-256: 6b460aa444792be8e3220ab3978591993cc7b3b6a52592f7a499cfcdbf7dc7e4 |
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font_02_sfnt_off000120fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120FE | 17988 bytes |
SHA-256: ab8d09a5262ffdbf838be8b1e94d35f80683f068e1a1d9631cc39f2a07b01283 |
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