MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Numerous heuristics point to the PDF acting as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites. These links are likely used to distribute further malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://creteotels.gr/FCKeditor/userimages/file/61202710752.pdf In PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b3b6a3b95---dijufijuduvekepu.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b2c80d36102---sebijovuwafun.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070f0691ceb4---50630568944.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/ri8sldjcta184a7g0pr402inea/buxesiwenefepigize.pdfIn PDF document text
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/95c22c04862cb587d62a0fd0e5a53ba8/46064007697.pdfIn PDF document text
- http://abwingssuffolk1.com/uploads/files/negosazejamap.pdfIn PDF document text
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/nige0uog3hmri97fc9257fapjl/mikosamogazupelinixoguzu.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac265394b31---jukimujuli.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/3f39da50773d70081a70e2f41e197242/10290062941.pdfIn PDF document text
- http://taitung-house.com/CKEdit/upload/files/81086026464.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160964fbae0eee---15260937560.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/pb9egf13ulue67f8to9nip37rk/zarivawasewopokesazem.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b846ec50a---dorakema.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607d89f6774de---42785770731.pdfIn PDF document text
- https://calmoinc.com/upload/editor/file/62171151255.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/4o6m6283j6maab49vltgt6ib8d/leluvotazenakebilexo.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608d20964b24d---tenukuzupep.pdfIn PDF document text
- http://oryginalnedekoracje.pl/userfiles/file/jovogatobipajupixujagas.pdfIn PDF document text
- http://erex.hu/upload/file/rarosutololika.pdfIn PDF document text
- http://hb1004.com/userData/board/file/36654328041.pdfIn PDF document text
- http://orderbestwings.com/uploads/files/67063376489.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/8aa13cd75d212c6e2d2140ed8cf5f40d/raweguvodikil.pdfIn PDF document text
- http://inhome360.ru/admin/ckfinder/userfiles/files/bagagimumodiwukodusaru.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161056d7f000eb---11410435310.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=creswell+qualitative+inquiry+and+research+design+2013+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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e064.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE064 | 19692 bytes |
SHA-256: ef8866ab2bc34197e7384beb47d22b5b0b70ffe6666ce2294fe5a0dd6e5b7f89 |
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font_01_sfnt_off000114ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012ce5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CE5 | 11788 bytes |
SHA-256: 9ad49ffcc29893ba0673b1b52ba426c6619f0894def998137e551ede7aaefa8f |
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