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, including ML classification and ClamAV, indicating malicious intent. It functions as a link farm, directing users to numerous external URLs hosted on potentially compromised websites. The presence of multiple external URIs and link farm indicators suggests a phishing or malware distribution campaign.
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://pistant.ru/uplcv?utm_term=imperative+sentence+worksheets+pdf PDF link annotation
- http://aihyang.com/userfiles/file/tuzobepivavoborasuzo.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bcda6cbcf85---38337415577.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/lic30kibehv15jhoki9nh25i21/36896308486.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/1e35d65c93823c7edca3f70f1935ede8/82863603303.pdfIn PDF document text
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/3e6543c06e6a81aa6863b46a5d1d68cb/xejiraleze.pdfIn PDF document text
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/970ade15197b654f4af8d005c89186fe/lanodokis.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/ragumomo.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/e5fbc7cdfcc767f23968cb3220d96ba5/18591931235.pdfIn PDF document text
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/22d2fbabe78d733dc3e49cdab4d79005/87893993264.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160806f3a412bd---reloxapizewiroviti.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/51qe6ldqh1cmsijc53cjkhhe7s/tugunavugowagatikunugoxi.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16094cecaa3129---tiralirofoxosoruk.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/potexulezufas.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/aiq597f6am4ki91lguonhl5ua2/jikosapekuwanonugonate.pdfIn PDF document text
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/7ac4c72cbb68120dc6f7a15043ebc764/68868856565.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7FB | 5516 bytes |
SHA-256: 5b558478319a9caa1e7e51a6d958f6cf436e72e3c7c2627a6f5886bc5220d83f |
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font_01_sfnt_off0000faa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAA4 | 10872 bytes |
SHA-256: 55e7d0f1548a157c1b5733b6b2e4fd60d0f6556db1c07cc9713bce794264730f |
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