MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://philabc.ru/uplcv?utm_term=sketchup+pro+2020+tutorial PDF link annotation
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab4bc08c9a---59000828085.pdfIn PDF document text
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/91b9cf940f67075569e0a91bde39f03b/votusavudofanamaretugaxe.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a871b86f8---54164749527.pdfIn PDF document text
- https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608743389f729---50272432102.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094af3b5a93b---balafexomutozulezewarigos.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085eb5059b6b---57636786719.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/185683846.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c88cf8252ec---tivisarivorijaxow.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160becb2a4e962---xurexunogajinewin.pdfIn PDF document text
- http://boxethai38.comupload/file/15667426283.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aabea6ec52a---karakula.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/b3720d972e7616d43f9350dddde76d65/lufarelufupevuvalotipusex.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16097b6ad6cc65---lasoruzuzubokudagexeki.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c401f70c52e---45995038639.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f16d3dc511---2526693361.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/dce1c5615dd8daf22b5a21e938165d1b/tuwurajeguxazitakenixuk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00017855.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17855 | 5284 bytes |
SHA-256: 06310ce8a5a9b7afb9c2035ca70d67c42c84f6c3741e746674d8e537e9ca61e4 |
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font_01_sfnt_off00018a4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18A4E | 11348 bytes |
SHA-256: 91ea0c8f1a2f0aac610c954d4423398cf4911136cc71a46a4fb8a5cda4a308e2 |
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