MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF document flagged by ML classifiers and ClamAV as malicious. It contains a link farm pointing to compromised WordPress upload directories, suggesting it's designed to host and distribute further malicious content. The presence of external URIs and the nature of the heuristics indicate a likely phishing or malware distribution attempt, potentially delivered via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086913dee115---nukavogusawam.pdf In PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090ac9a33121---kapowotaninikunemojubilew.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/72872027713.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/16092f5e69db75---vuwilofokosez.pdfIn PDF document text
- https://havanic.com/cache/fck_files/file/vabanatepuxut.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/01eb52c62ce7f6f9f528210057fc86e6/dinigajukovojef.pdfIn PDF document text
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/ahhuc2p8r5q86edjqkco96q0mr/debixinogadelasidenegop.pdfIn PDF document text
- https://lamthong-marchph.com/piceditor/file/39200806871.pdfIn PDF document text
- https://ketdoanbus.com/webroot/img/files/85068744038.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb281e4879---wolarabagij.pdfIn PDF document text
- http://barcelonasixtytwo.com/userfiles/file/68174031314.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9c039d233---zamitevezekidesakimis.pdfIn PDF document text
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160850bb29a9aa---99994056381.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160927aae35904---rumusa.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d948da9e20---31361831857.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/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=fake+online+wedding+certificatePDF 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_off00017128.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17128 | 5120 bytes |
SHA-256: f17cf8e1ec83bca6fa9b50564224eefb1164b921353775404b5ba51bfedc2bb2 |
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font_01_sfnt_off000182c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x182C5 | 11080 bytes |
SHA-256: f7db5659ae0f062afe12e3db0272045be9d1d1ff43e998a202aceb7f31db77cd |
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