MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. ClamAV detected this file as Pdf.Phishing.Trojan, and ML classification strongly supports its malicious nature. The primary attack pattern involves luring users through a malicious attachment to a site that then redirects them to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ketchas.ru/uplcv?utm_term=spring+android+tutorial PDF link annotation
- https://maintogelonline2.org/contents/files/sivixilup.pdfIn PDF document text
- http://blessingsngo.in/userfiles/files/lowatositilobimozomu.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/d17e64810c9752eec92419d37773b0b1/57008275695.pdfIn PDF document text
- http://stjconsulting.it/userfiles/files/48732982029.pdfIn PDF document text
- https://tipresentoio.it/images/file/xekuluranikut.pdfIn PDF document text
- http://bjsddesign.com/filespath/files/20210906002313.pdfIn PDF document text
- http://barcabianca.eu/upload/file/12557123794.pdfIn PDF document text
- http://crm333.com/documentos/file/76105189406.pdfIn PDF document text
- http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pexekidejebavukelinijad.pdfIn PDF document text
- http://martonaroniskola.net/userfiles/file/mozebivirazezalaxufarojux.pdfIn PDF document text
- http://www.cenlajobinator.com/siteuploads/editorimg/file/30512225447.pdfIn PDF document text
- http://falerisztika.hu/tmp/84641571984.pdfIn PDF document text
- https://art-lamps-rali.eu/files/file/72334195918.pdfIn PDF document text
- http://panel2conso.com/userfiles/file/lewabivefel.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/161452d877f203---54028150749.pdfIn PDF document text
- https://mujeresenmovimientoplus.com/userfiles/file/lafidiwu.pdfIn PDF document text
- http://kubabus.cz/novy-web/upload/file/4687997298.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613127cc5317c---nanakizivebojaforazi.pdfIn PDF document text
- http://roocenter.ru/upload/file/81535279966.pdfIn PDF document text
- https://familienbilstrup.dk/userfiles/file/44340435219.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea078ac4a7---zovelitagigizesolukonev.pdfIn PDF document text
- http://raczcsalad.hu/files/47178177896.pdfIn PDF document text
- https://cortopolis.ar/userfiles/file/18891062898.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-9-16/20210916185448734464.pdfIn PDF document text
- http://tomgiongvip.com/uploads/files/file/40138497540.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_off0000deef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f706.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF706 | 10444 bytes |
SHA-256: c91e0b7ec20c6620a2ee43b58f9c4cc24b4ac2c8618ac4bbfc2ad7acbfda2abd |
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font_02_sfnt_off00010e8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E8C | 18316 bytes |
SHA-256: 30dfb55899c0cabe0e9fc187a8f093aadda3b969573a6ec190741217857b7d24 |
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