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. It contains numerous links pointing to compromised WordPress sites and other potentially malicious domains, suggesting it functions as a link farm to distribute further payloads or conduct phishing. The PDF structure and embedded links align with common tactics for spearphishing attachments.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1615908371fae3---kuwetenibopobesem.pdf In PDF document text
- http://xinchenfast.com/upload/file/wovadusabuli.pdfIn PDF document text
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/7513121180.pdfIn PDF document text
- http://www.web-globus.de/ckfinder/userfiles/files/44992148971.pdfIn PDF document text
- https://247christianity.org/fckeditor/userfiles/file/290295248431631572343.pdfIn PDF document text
- http://taispacedesign.com/upload/files/gogomagenaxitop.pdfIn PDF document text
- https://ls-machinery.com/uploadpic/files/202109161717062933.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b13101cb25---kotafarabapaferifogi.pdfIn PDF document text
- http://open.ua/uploads/ckeditor/files/xijilizugaf.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/46442794721.pdfIn PDF document text
- https://bike-accessories.supersites.gr/content/ckfinder/files/63647300219.pdfIn PDF document text
- http://balade-pierry.fr/userfiles/file/55328447298.pdfIn PDF document text
- http://kimhoatra.vn/upload/fckimagesfile/31870074638.pdfIn PDF document text
- https://mgc.to/sites/web/upload/files/lapakiwuvotodaferaluna.pdfIn PDF document text
- https://francois-daulte.com/ckfinder/userfiles/files/19255018151.pdfIn PDF document text
- http://www.dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/48650998415.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161349d984c076---wewudazilamigotutogi.pdfIn PDF document text
- https://dernek.daynexdemo.tk/upload/ckfinder/files/82546616331.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/t9ke8lbd94ia001gp6o6n3tqjt/70517189061.pdfIn PDF document text
- http://vodova51-53.cz/files/37426702001.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/986ab43901e91ffa1948c5a44713338f/62679809910.pdfIn PDF document text
- http://tctrack.vn/images/newtech/files/jovorunigovukimolumim.pdfIn PDF document text
- https://desense.eu/uploads/wysiwyg/files/65369601062.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5178b9e57---givumejisavugifidasolozul.pdfIn PDF document text
- https://textosl.com/upload/editor/file/tivafifajemulawo.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/xPAns0MRe5M/uplcv?utm_term=reason+of+typhoid+in+childPDF 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_off0000c114.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC114 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d926.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD926 | 17388 bytes |
SHA-256: f9290838d3833e09a144aabd0a94a2f68f65ebb78e87f49501e4d82af20cb111 |
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font_02_sfnt_off00010644.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10644 | 10776 bytes |
SHA-256: 89d0356fc57c42b6620f34c5bb5640623b0b68c76f218436a4c0a263e64e9ecc |
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