MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV also detecting it as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of embedded URLs and the nature of the heuristics indicate an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 https://crewmak.ru/uplcv?utm_term=bilateral+acl+tear+in+dogs PDF link annotation
- http://hi-techfiber.com/userfiles/file/jovoko.pdfIn PDF document text
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/5qitamadffcdkl0gh0nivpk92v/murudikopavilifirudigiv.pdfIn PDF document text
- http://verduciautodemolizioni.it/userfiles/file/bepewixovapi.pdfIn PDF document text
- https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075cfe80789a---motaz.pdfIn PDF document text
- https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/ei2f3gjiia18pi51ctm8r5qm6c/lolonatigowa.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/36247286114.pdfIn PDF document text
- https://dodatnagarancija.com/userfiles/file/61888533610.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082c35e23e5e---xawumunazokonukaximegota.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607be6794eb77---27704725152.pdfIn PDF document text
- http://allseasonsart.com/uploads/fck_uploads/file/danotizefudafarugamilus.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160b2c0fc3d427---58893658000.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/1feaed257aabd2a48f245c92b3f2a92c/75378853132.pdfIn PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/2c20327e20e8d72d8d5b24c6b01ad4d5/7408989837.pdfIn PDF document text
- http://colafranceschi.it/userfiles/files/wibuwomo.pdfIn PDF document text
- http://ghalemdi.com/userfiles/file/84371948509.pdfIn PDF document text
- https://blogsma.com/files/zazibezomelofumibeke.pdfIn PDF document text
- http://cn-junsheng.com/upload/file///2021624112798334.pdfIn PDF document text
- http://jejuecotech.com/ckupload/files/37743579463.pdfIn PDF document text
- http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/39044410751.pdfIn PDF document text
- 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_off00013368.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13368 | 17864 bytes |
SHA-256: 8f5098568112ff8dc242e3e7b46230c96423d18b27eb1307f32450e956ce40e5 |
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font_01_sfnt_off00016260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16260 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00017a77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17A77 | 10596 bytes |
SHA-256: 88949dcfa1d11f92856204415aac1d5317b4fe6bf24eb87db773bf1e4ff4fc8d |
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