MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or callback scam. It contains numerous links to potentially compromised WordPress sites, suggesting it's part of a link farm designed to host malicious content. The document body, though heavily obfuscated, implies a lure related to billing or refunds, consistent with callback phishing tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085eee22ea54---ludusexedexifedet.pdf In PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/840abee11fc30e4fc86dd6f21fb6e463/20484389087.pdfIn PDF document text
- https://upbilbao.com/ckfinder/userfiles/files/zaniwana.pdfIn PDF document text
- http://gocreate.termall.pl/upload/fck/file/pipubaruzanexupigapal.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16071bbbb01045---busegobusemoj.pdfIn PDF document text
- http://saatgaamkansarasamaj.com/admin/uploads/files/5947017538.pdfIn PDF document text
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/6lniv8rv3d6cl7of2q08bcu9b1/95282545719.pdfIn PDF document text
- http://www.prieteniitehnicii.ro/documente/file/38790428533.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5740c7e7bf---wiketodenotizipiwoliral.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/da1b2e012b48bf559844630adb15d5e4/vavimajewowulixaza.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab28a837618---bifimugijiliwupuno.pdfIn PDF document text
- http://gesundezellen.de/neu/userfiles/file/6442987424.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c9ed31017e5---tabama.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/4052af49f0d37f27670ee95d1455e795/96696922851.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/4a6091ab712e254e105582844a967aef/46696058828.pdfIn PDF document text
- https://apinero.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6f2874b03---gilubukis.pdfIn PDF document text
- http://anbao.vn/uploads/userfiles/file/70535259168.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/webivapojumakafizolonu.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/j21vhmk3r9c3g8dmbu97g2en26/2494422274.pdfIn PDF document text
- http://jjburgerut.com/uploads/files/foziwavawufipabemexuxaw.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160a362791f8ba---40680489297.pdfIn PDF document text
- http://autoscuolapezzano.it/userfiles/files/65659594249.pdfIn PDF document text
- http://syuncyoku.jp/upload/file/35299037164.pdfIn PDF document text
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/31781671388.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=egnater+tweaker+40+specsPDF 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_off0000faec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAEC | 10652 bytes |
SHA-256: 6ba9ddd91c2b1fe510d35ff35f323f53bc6992183e76b39b0aab09cbbfcfc0ca |
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font_01_sfnt_off00011397.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11397 | 18552 bytes |
SHA-256: 69009fd07bcac5a5b580434d13523ec61f73ed80ad6181dd629e03fc5724f398 |
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font_02_sfnt_off00014549.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14549 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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