MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or malware distribution lure. It functions as a link farm, directing users to multiple compromised or unknown domains, including a notable link farm on disposable hosting. The PDF structure and embedded URLs suggest an attempt to exploit user trust by redirecting them to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 http://kingcraftviet.com/uploads/ckfinder/files/dukurex.pdf In PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160ac0a901a48f---zuvetolekozema.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/3be30ba038c03df420803350542706b0/58123862139.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b6baae75c18---96043358317.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b82622384a6---62017268720.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16074ff5a960e2---62663563829.pdfIn PDF document text
- http://fonnepal.org/userfiles/file/nunosajifewasokababuzak.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0d5f4cb0a---38130016748.pdfIn PDF document text
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/446830189c7550813ed2b39a949d844d/damabulukojapoxabozefun.pdfIn PDF document text
- http://meyergarden.com/ckfinder/userfiles/files/tupugotoriwoxafufuj.pdfIn PDF document text
- http://longarmquiltacademy.net/fckeditor/userfiles/file/sibaloto.pdfIn PDF document text
- http://hotelclinton.it/userfiles/files/90863784206.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160fcadd0aa8db---27165252693.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/liur35npboijqg572jsk4h1led/89438378877.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083b9c997533---5589753841.pdfIn PDF document text
- https://zoldlepes.hu/userfiles/file/foniloxaxiruvisuge.pdfIn PDF document text
- http://www.nomorcantikjoss.com/file/texus.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606efb123cc02---jidamivivi.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/1acf87a1bdbab458fedef9c1aa2ffcfd/lejupogaduv.pdfIn PDF document text
- https://hk-delight.com/UploadFiles/file/53999100407.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd822cd1258---jixesovag.pdfIn PDF document text
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/be9889bb4d28ebf306286428008cf614/befibov.pdfIn PDF document text
- http://toeicspeaking.net/_UploadFile/Images/file/jojemulezabose.pdfIn PDF document text
- https://sharpconsulting.us/app/webroot/ckfinder/userfiles/files/gexazupusawo.pdfIn PDF document text
- https://megatekspb.ru/sites/default/files/uploads/wafesexomazagak.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1bf08deeef---gakazopojekogolo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=sunbeam+pressure+cooker+manualPDF 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_off0000e9d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000101ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101EE | 10752 bytes |
SHA-256: ceb9d3bdf7637a11d2a52c0bd234fa04044e2ea5e4e8d266ab98048f751563c5 |
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font_02_sfnt_off00011a66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A66 | 18704 bytes |
SHA-256: 7c414b6e7439b967985c1ff8acebda4f5f60ce8ee668d2a45d87f30e214ef9c0 |
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