MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or a scam. The embedded content, though heavily obfuscated, suggests a lure related to 'copy and paste' to direct users to these suspicious URLs.
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://isosklo.cz./uploads/58460387944.pdf In PDF document text
- https://aspirans.com/files/file/larejipuja.pdfIn PDF document text
- http://alpha-cp.com/userfiles/file/46926772337.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/hrpd7fe7k8889c5r5u0i3cg673/67041865477.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/72e3a42d99b7cdf0c606405b2620eb3d/xatiweje.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa185777a97---wuvisotibagenaguwugaru.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160767d5e1c91d---jepet.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/16082974425084---8182277606.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/xudanaboguzeza.pdfIn PDF document text
- http://dgjst.com/upfile/file/foveviwuxuvukixa.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/52242596fe7d290db124d6984bb49ebf/rakugoweluvat.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160a16878d8e8f---zudononetofazigi.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/oogpuiprlghd5hj92t1c8r2gno/jazilokeraruv.pdfIn PDF document text
- http://baaningdoi.com/file_media/file_image/file/bobosabupafesag.pdfIn PDF document text
- http://anthonyvienna.com/sites/default/files/file/91653013321.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/35c36750b4b36386d3e89802586aa029/52748126527.pdfIn PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/afddccdb587088c0e20a20461846b384/66084362348.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/1d7689bbdd9e7c38f4d0bb43df4d142d/vodanuja.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/~3/3vuEKuznOb8/uplcv?utm_term=how+to+copy+and+paste+100+timesPDF 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_off0000d755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD755 | 5440 bytes |
SHA-256: f15f9654895c086b2bff6f5eb281f950c726cac5f987e511c68d81a092368626 |
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font_01_sfnt_off0000e9e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9E6 | 11268 bytes |
SHA-256: 6813f4632d86bf35182822a5262ab067edbc639c81ac8b0204cdcc863c7ef8e0 |
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