MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish for credentials. The presence of external URIs and link farm heuristics indicates a high likelihood of redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://dellalontra.it/userfiles/files/depiranila.pdf In PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/573368ea33ede086fe730771f979a07e/jebagivabegezalosugowa.pdfIn PDF document text
- http://toyotarent.kr/FileData/ckfinder/files/20210809_5437ADF9F577DE07.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/161126d909c51c---tupobigujegopiresegalafap.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/3afc93f366576331c1b0c89a22be8447/detexikaloj.pdfIn PDF document text
- https://nbcmedia.vn/ckfinder/userfiles/files/28182382796.pdfIn PDF document text
- https://aldwalia.com/userfiles/files/66339872710.pdfIn PDF document text
- https://burstallconrad.com/editor_files/file/27787129328.pdfIn PDF document text
- http://chipmax.in/chipmax/ckfinder/userfiles/files/kesugabezowab.pdfIn PDF document text
- http://offerseir.com/basefile/offerseircom/files/43555398790.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/392abb7d8cfd7efe30f9de3bef66344b/febifinabujubezo.pdfIn PDF document text
- http://kapsalonvogue.nl/files/file/89420335429.pdfIn PDF document text
- http://mistral-paints.cz/userfiles/files/xigivugi.pdfIn PDF document text
- http://hitplus.eu/userfiles/file/12889219592.pdfIn PDF document text
- http://energosol.pl/images_cms/file/zoninebuwira.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c65766766d---vuxagavagafar.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f19fb3c5169---72706874114.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9466e7e2d---vuzazori.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/1ei19r0v5bui1dpe8nltf55j7g/40845509224.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16071ac3f5e537---pobalekule.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/40040648518.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae04496f4a2---66316848109.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/4f79668eeac4a5809829f371b4242bc4/misozas.pdfIn PDF document text
- http://noithatdangcap.vn/app/webroot/uploads/files/13077349914.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=limited+brands+aces+etm+scheduling+managementPDF 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_off00011bf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BF2 | 17460 bytes |
SHA-256: 2b26ddacc848b97fcb2b6b4aed72883948579d18bd4a8959bcc4d714896d7432 |
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font_01_sfnt_off0001499f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1499F | 10896 bytes |
SHA-256: 75e5ba99d9a2b869c1b65eb684a8f915fb8f4f83debf0e6ad332e9d7c7ce1871 |
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font_02_sfnt_off00016260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16260 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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