MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file is classified as malicious by ML models and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, directing users to compromised WordPress sites that host further malicious content, likely for downloading second-stage payloads. The document body is heavily obfuscated and unreadable, but the presence of numerous links to compromised CMS uploads strongly suggests a phishing or malware distribution attempt.
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.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a029c6b73e1---74997129191.pdf In PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071d77dc63cf---buzegosurezafuzo.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ce5363060---kudiw.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8e31a2cbf---13853833983.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607868a4a28ff---66951191679.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3f8fa91991---gifelikexosenolumugo.pdfIn PDF document text
- http://krzysztofmalec.pl/gfx/fck/file/gelogabifik.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/fb7913b7f1f4aa6425a2ba231f5d19a0/xatibofalizizoxejapuvu.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3ba265f7a---49542727407.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160935b7c86cf7---silubopor.pdfIn PDF document text
- http://syuncyoku.jp/upload/file/titeziv.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/bgvk774jt1vime21i7d3ule74r/zaxegolibavalitosiv.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a733dfc979e---lojuvixuzemafojegugit.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/5gojb26msel7qhk96pafpvigvh/56098821818.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/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=suzuki+alto+repair+manual+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_off0000c1f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1F1 | 5224 bytes |
SHA-256: 0e10a93b620c7c660a6d1d2b45b8dea327897925807a32a4e4a725a2cc6e7345 |
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font_01_sfnt_off0000d3b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3B2 | 10612 bytes |
SHA-256: 583ad7962007af93a8a070693cfffdda42df9536cdc884b6015a27ae0fe65bfb |
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