MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links pointing to compromised CMS uploads and disposable hosting, suggesting it's part of a link farm designed to distribute malicious content. The presence of these links and the overall structure indicate an attempt to exploit users through deceptive content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087f145ef00a---28209868621.pdf In PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/l7vb26ijmmr5s25vndsmjs2ugm/zigatekamomoregipiburujis.pdfIn PDF document text
- http://villa-carlshorst.de/sites/default/files/file/lipifewimokodazogog.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160983cdb8c359---1624115980.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6a29c5a20---gigunirowadukofijiro.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/3aa9ff32e9004959f46990f637983d5d/18462406981.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/5f5d1d1ce805f5636dd9d4aeb34a322f/zijakipuzekukiligovowob.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/np3u3hj6g6mtuaoe43012kt5ps/36390090394.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/c9ovofha90aapfifmg27m912o6/93063716238.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/cpu5ketguc6oa5g5mapvpq9iu4/gunanotefaxakogovufuko.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb455c2d48---banax.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baf29e17f9e---23699307065.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/cn1mjkgj76lqnkochh9ou80vkh/filiwawipewawejukotate.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607560deab64b---zawodowupaxamukasuve.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160734c002842f---luzubevuxedaxazifotidetox.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/97beeb6ad7450d12c56f44e0530d00a2/51300554937.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=human+physiology+and+anatomy+book+pdfPDF 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://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_off0000dc48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC48 | 5628 bytes |
SHA-256: 32e1fb5c3e9d253a16ba71413297f0d2912f53350fd89dbf65f61cb112f66858 |
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font_01_sfnt_off0000ef47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF47 | 9948 bytes |
SHA-256: 670a084622586e811b3edf9ee14b09c92c5b4b4373292ad7d93d7f1f4d7b615e |
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