MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The document contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm. These links likely lead to phishing pages or further malware downloads, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://oniceh.ru/uplcv?utm_term=sao+alice+and+kirito PDF link annotation
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088e27b11ceb---kusagoles.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/cbda38aa9ef2470365d679fd4cd01f41/zikubiwuwa.pdfIn PDF document text
- https://atraba-holding.com/userfiles/file/62985573793.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/fujiramizawosidamosexa.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/d34b156c0b9a174d4e29e9c9894963df/dokibej.pdfIn PDF document text
- http://sity-luxe.ru/userfiles/file/majixozarejejusuxax.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160963a53eb65d---sufalevuwapilasududowu.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbbfa6f1617---wakomabirilokulapuf.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cde53d0def---39608996650.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7fea78f122---sugazamale.pdfIn PDF document text
- http://namngonviet.vn/user-/files/fopeboliwosavimulukasubun.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba6c74a25c6---58750914684.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606dcdda0b901---rejatuvevekurijezotab.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/3juucaql6dt687llnma0mlaqsk/15084818186.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/t3b3ep5l8snifmnsjbrotbbiqe/famavemekipekata.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001c592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C592 | 44792 bytes |
SHA-256: e714d3d5534238e50f5eaad2db313cc585f6f10086e6c327cc19dff80b2f699c |
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font_01_sfnt_off00024e92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24E92 | 4924 bytes |
SHA-256: cbd2cce1595cc6d13dde1ac8f0a957cee4c8878536f7c2a845e1541cb0d41450 |
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font_02_sfnt_off00025f5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25F5B | 11684 bytes |
SHA-256: 93fbbc15066ba5657e320afc76c5a89f2eec401f9eb811ec63a5290818777ebd |
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