MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is a PDF that contains numerous links, many pointing to compromised WordPress sites. Heuristics indicate a payment redirection lure, suggesting the document aims to trick users into believing they need to update payment details or make a payment. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving the exploitation of PDF vulnerabilities to redirect the user to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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://queure.ru/uplcv?utm_term=what+does+it+mean+when+credit+card+is+charged+off
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093c93f2fec0---zimuxexepovudagawo.pdf
- https://menlopark.com/wysiwygfiles/file/titumarapikeg.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e93b13127---59983200079.pdf
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/90473954e9f28faa88e3c79c59debf5c/58025125046.pdf
- http://nhs1980alumni.com/clients/878257/File/zuwigi.pdf
- http://ashioke.com/images/library/File/87039123051.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2132da95b0---jolibofuxifoj.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c89026c554d---72595561596.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16073ca8e03ee9---33390962893.pdf
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/liesklq7m6q7ih88gnadi0dion/46640560530.pdf
- https://transpack-krumbach.de/_upload_bilder/_filemanager/file/46916318781.pdf
- https://dbjadow.pl/attachments/file/bowifirif.pdf
- http://teusz.pl/UserFiles/file/53635942154.pdf
- http://klasykarozrywki.pl/public/images/fck/file/68836790039.pdf
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/38bbb4b23c0a36115282466551edd8cf/kuzafirovamidisuliwuled.pdf
- http://nage-z.com/ckfinder/userfiles/files/40293066067.pdf
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ff6943af6---39486508246.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2b5590a4d---migajadexajobokupubu.pdf
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/f8125b1707edf263a65f77f734d8b71e/vivuvezomaku.pdf
- http://uci.ir/userfiles/file/zunafuzap.pdf
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607fbd7466884---nurapubikenena.pdf
- https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/13e7e91ac03c484144b38562f997cd9a/37204457842.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608e458a19d6d---kofivujifa.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c5d9.bin9c8af1eb90d09f4262e1fc0e39993f3a0967ce047968e81026f735023735ac56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5D9 | 15808 bytes |
font_01_sfnt_off0000ee5f.bin448fb315316ec123544186c298e94a7546660b3499dc2ce56c60675dd4dfb54c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE5F | 10956 bytes |
font_02_sfnt_off00010778.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10778 | 16792 bytes |
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