MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed for SEO manipulation or to redirect users to malicious sites. The presence of these links and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://brainerdhs71.com/clients/0/08/084bd9d902c6a1e3ee48703551c87841/File/xolejenukogirawinaxut.pdf In PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/ce35a02b64252668bc83254cb124377d/12604366389.pdfIn PDF document text
- http://short-story.ru/upload/file/80413097695.pdfIn PDF document text
- http://chatfieldfarms101.com/userimages/96754039040.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/377e9e21de511873cd4d756ecc31b521/1269991354.pdfIn PDF document text
- http://amidoux-peintures.com/ckfinder/userfiles/files/21050550387.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160893ca4bbaf5---kudafomexe.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608601b0ab6dd---27692925610.pdfIn PDF document text
- http://chinasoftcore.com/userfiles/file///latakunopisu.pdfIn PDF document text
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705a2b5fe27---68537283069.pdfIn PDF document text
- http://www.cbs-emballages.com/upload/file/70552539739.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ec43976f0d9---gajonanipepusipebabexud.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b8b82ea61---41640597860.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/1mn6or6au3rb9uoc1iau2qmt43/zutalo.pdfIn PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/539d99d04695fc6adc93e9852908c99a/mudiguvekoj.pdfIn PDF document text
- http://abwmarlboropike.com/uploads/files/80730959891.pdfIn PDF document text
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/v8sv8n6qo1oa5c86opb9o8l6n2/44667987444.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/kfh9fdvv2piq8sh7eccpe8o869/xujisawatodujujobe.pdfIn PDF document text
- https://asiarsolutions.com/userfiles/file/zonajosodimururimefal.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ee6cb8c95f7---momotaga.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160bc82e6892f7---sulekusutafefizarobuv.pdfIn PDF document text
- https://www.propertyadvisersaustralia.com/wp-content/plugins/super-forms/uploads/php/files/0e4aee8a0bea119eb21e9f337d1c7751/kewojuleluwotaderar.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=convert+sketchup+file+to+dwg+onlinePDF link annotation
- 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_off000104df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011cf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF6 | 11112 bytes |
SHA-256: c9aa13b984d00aaad70ebcd0fad7dc5015b11b685cc67f00bbe77693edafccef |
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font_02_sfnt_off000136b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136B3 | 18376 bytes |
SHA-256: 0b6a35296bffeee61c0f0227103c4ab681175cbf51a66b7b223180677ec4a4d9 |
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