MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites, likely serving as a distribution point for further malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL destinations strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074bfe48e1a0---7131754768.pdf In PDF document text
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/1sfkhf1b716p3jm0a6sru5bols/97592325412.pdfIn PDF document text
- https://akapacha.com/userfiles/file/xitiledonopujupejijug.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608447f56b865---fabufo.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/6vgr4cd114i9klrgn4980fsrq8/69135625652.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/bc84aa772eb2d8f54bf8dca987782d06/durusokezujiw.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd1bcee36c---zakiraxil.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/0c1a4ac54c803d790a57d61f80299c6a/10782715868.pdfIn PDF document text
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/bb2d1b80f3fbfd98a148cda832b50852/95316144666.pdfIn PDF document text
- https://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/qec1phg98ho9e0cp3fuomup2tt/moduxo.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/re7ifpt28hhfg22r3tup9fgsj7/juwevane.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160739e405a43f---63836933069.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608046ade2c59---7731213957.pdfIn PDF document text
- http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/d4430d8331687e5a8c05500c7c34bfc9/90794947752.pdfIn PDF document text
- https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/a493f01aca8d3b02b2beeab0c2abba48/50556431528.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/LPIa9PGmDLg/uplcv?utm_term=4th+grade+math+games+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_off0000e046.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE046 | 5416 bytes |
SHA-256: 17b65606183b0e800dcdace637815d2f92ba27f14115615d64c8cefaf944d031 |
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font_01_sfnt_off0000f28c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF28C | 11016 bytes |
SHA-256: b2fb2a4586577b738ac2568385a9a3d05a18705854a80fe7a89ad9cfb6b8c49f |
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