MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. Heuristics indicate it functions as a payment redirection lure, mimicking business communications about bank details. Numerous URLs are present, many pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://girilawfirm.com/content_files/files/bikup.pdf
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/37499918694.pdf
- http://chi-kara.net/Upload/files/piwajazobukajumegerew.pdf
- https://togeltop.net/contents//files/30327913723.pdf
- http://seamcc.com/UserFiles/files/pafulofofeguse.pdf
- http://meble-tk.pl/userfiles/file/dozigalovenovalikojide.pdf
- http://e-cluny.cz/UserFiles/file/solikewarimez.pdf
- http://sccsfz.org/upload/81525697438.pdf
- https://bnovum.hu/downloads/63765337960.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd60ae00ffa---poxegite.pdf
- https://olympicwroclaw.pl/zdjecia/fck/file/90847718470.pdf
- http://sofia-es.tokyo/yamituki-n/uploads/files/45468161185.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/161147cab710c9---zujevomifakajufaforo.pdf
- https://anaksemut.com/contents//files/xanawufada.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/b6e36886f0ca4272322239b94dbc2b12/39305364781.pdf
- https://pypconsultores.mx/userfiles/file/kasozevabaxakuzamot.pdf
- http://www.portaldasfreguesias.com/portugal/vianadocastelo/vianadocastelo/geraz_do_lima_sta_maria/ckeditor/ckfinder/file/bopamapakax.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/ffea24cb1b6bfc1530b4d266e915696e/kazixirufezid.pdf
- http://millionsdiscount.com/mo_images/files/jedusikote.pdf
- http://quaint-house.com/33105106305.pdf
- http://we2meeting.com/ckfinder/userfiles/publics/files/57363079060.pdf
- https://aashianarealty.com/file/32707665319.pdf
- https://4appsoftware.it/file/luwegunusosen.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b5242f8927b---65943791460.pdf
- https://propertiproperty.com/Uploads/userfiles/files/keneli.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=change+of+signatory+letter+to+bank
- 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_off0000d65f.binb36d3abcf72d70c01af880b945d58c70259b88fbf995da1500dac06b0e5e97ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD65F | 18288 bytes |
font_01_sfnt_off00010539.bin8feeaf6c8fee734e899434305550fd8bffaf27bdedd4044bc6094bfda6d73bcc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10539 | 10872 bytes |
font_02_sfnt_off00011e5e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E5E | 16792 bytes |
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