MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The PDF structure and embedded URLs are consistent with malware distribution or phishing campaigns, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://catamma.ru/uplcv?utm_term=domain+and+range+of+rational+functions+examples PDF link annotation
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/5768c219d671ece9d789a01500a90d1b/toxinadazesodunutuwe.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/514d577c278a5560d0ebcc8521fd7974/jolodovekukukolowevunuw.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609208f9ccade---surejuger.pdfIn PDF document text
- https://kodcomputers.ro/2664/uploads/vitopunosukatofofuva.pdfIn PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/ab48a8234b1595f45bec95e9647b0c64/92245788862.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086ebfca9241---mifegukokideviwiwadom.pdfIn PDF document text
- http://lapenya.cat/imgjovesnaves/file/9522521729.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/567d466f1c8314b3f73ce8c8bbca6039/45649378762.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d0cfdcf08---kumomovirobo.pdfIn PDF document text
- http://newdimension.su/userfiles/file/49230727770.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1700926e34---zagotelununip.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac3ed1061dd---44335579710.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4390028057---54680761102.pdfIn PDF document text
- https://tecnibat.net/uploads/archivos/23286629172.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ce017373e5---dorofokun.pdfIn PDF document text
- http://richmediahouse.com/admin/uploads/file/17825333942.pdfIn PDF document text
- http://techhssilverbuffs.com/clients/61416/File/43503872438.pdfIn PDF document text
- http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pexiwajajarazitedadaxa.pdfIn PDF document text
- http://gyobel.itpublic/file/87803402935.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1607fe9a42---xuzudakamav.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/aec957a51f1e36d501529677d8f682e0/dobaxupupudoxigolovile.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c55586e0664---8324520832.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/71345950860.pdfIn PDF document text
- http://rocincorporated.com/domain.com/images/dynamic_pages/file/95520855534.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/j5ldvictlflrnqie994r274n43/61802775305.pdfIn PDF document text
- http://denis-lefebvre-services.com/fichiers/file/mufamovopikazojufo.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607252cfab9b5---22673635059.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_off000100f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001190e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1190E | 11168 bytes |
SHA-256: cc64b546e9329be9096f6b7ae00650c469c6ac06c92dd900c0cdc06d5522977c |
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font_02_sfnt_off000132f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132F0 | 18452 bytes |
SHA-256: a91170a379c4b6f6c7bd6871b1646608ea0445f07cfedd1538e2616fb5accef3 |
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