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 it is likely a phishing or malware delivery vehicle. It contains numerous external links, many pointing to potentially compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The PDF structure itself does not contain readable content, but the heuristics indicate a focus on external URI redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://demo-enriquemora.shopcloud.es/ckfinder/userfiles/files/6354320921.pdf In PDF document text
- http://hunting.kg/userfiles/file/14947889065.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/161355e3db8903---19091365564.pdfIn PDF document text
- http://bulmarconsult.com/files/natalakaxef.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/066bd129b1b1c16aa900f7ef2482bc90/5654534531.pdfIn PDF document text
- http://radioevangilereal.com/assets/ckfinder/core/connector/php/uploads/files/21607974790.pdfIn PDF document text
- http://flex-link.cn/uploadfiles/files/libuzasazusopixote.pdfIn PDF document text
- https://catwalkdogcome.com/editor_upload_image/file/tiroposoxawiva.pdfIn PDF document text
- https://ibrahimkoc.com/images/Media/files/zirunulexezovi.pdfIn PDF document text
- http://fencefactoryny.com/userfiles/file/kukofoduzuxaduguxotud.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/583551f379f252eddab9f9457a7b4970/xasakuxosunojimolotoxofe.pdfIn PDF document text
- http://acsalma.hu/userfiles/files/vamapamujifon.pdfIn PDF document text
- http://yuemeism.com/uploadfiles/files/nolinorotabubezibitivobev.pdfIn PDF document text
- https://needletherapy.eu/upload/file/20999287588.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e96a59e610---buwofubuwezaxu.pdfIn PDF document text
- http://www.focitabor.hu/userfiles/file/tuxit.pdfIn PDF document text
- http://zenobiacultura.it/userfiles/file///44370743707.pdfIn PDF document text
- https://contact-house.com/fckeditor/upload/file/xolewutorikefal.pdfIn PDF document text
- https://asiarsolutions.com/userfiles/file/tebisuviberogok.pdfIn PDF document text
- http://derp74.fooden.com/UserFiles/files/70933336374.pdfIn PDF document text
- http://vasekurzy.cz/userfiles/file/40631678736.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e90e29040a---nenuwaniwijinezenilipo.pdfIn PDF document text
- https://yodobashi-church.com/51883419181.pdfIn PDF document text
- https://zbmbudomont.pl/userfiles/file/29142725823.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/29855424247.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=album+app+download+for+androidPDF 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_off0000b726.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB726 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cf38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF38 | 19084 bytes |
SHA-256: 8f9eb6a4053088ffc2293da3d1c2104c913cb8174aa057962b86bec40e3f68f9 |
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font_02_sfnt_off0001006a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1006A | 10568 bytes |
SHA-256: 264ea453bdd4580739493d9c91bd4328a38df1812201c972c474fd34ef282c0d |
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