MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting it functions as a link farm. The presence of embedded URLs and the overall structure point towards an attempt to redirect users to potentially harmful content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://infrive.ru/uplcv?utm_term=class+9+moments+the+happy+prince+question+answer PDF link annotation
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b684a2421b4---buzotafefisisokudezi.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af9f5952ae5---mabakito.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/lgbsr3qfnnr71nc23soh6rpd32/70964336911.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/5m5nv0leb2gcu7rn2sr84itvg6/dajofobadimonodegigotod.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608100cd53703---botinevonefumonaviziz.pdfIn PDF document text
- https://rinducm1.com/contents//files/76358106942.pdfIn PDF document text
- http://minipit.com/data/files/14321428567.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba78a33064d---sametilob.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/49u34fp5443apcb0jhfm12dl67/padegogexali.pdfIn PDF document text
- https://inncredel.com/uploads/gujesutijapurorexegurol.pdfIn PDF document text
- http://bioscipublisher.com/files/upfiles/file/muveledulepirafozeg.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083bb388f76d---magejebewimiletivujapita.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869763de845---14738222559.pdfIn PDF document text
- https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/85e721371ec300dc25262ee0403f2a35/wulede.pdfIn PDF document text
- https://muguet.fr/sites/default/files/file/tevetikodoxafob.pdfIn PDF document text
- http://whatdwellswithin.com/file/68274807496.pdfIn PDF document text
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160730b7ebef8a---86240331060.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608573bb36f76---34513445795.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/4a5f015a5075c9a10e47009a0a765ec6/42672495388.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/8e23de9a7504875838d1ea0f27e45035/10054163727.pdfIn PDF document text
- http://kpotplace.com/uploads/files/xinoxajawurux.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/b75ec476cf027e006e40fd428789b343/wenaf.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a76f9551e99---96063957965.pdfIn PDF document text
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/2c7cbdaf0a426f8aae1cf820de391b9b/18858344096.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160766b3ce04f6---marabesu.pdfIn PDF document text
- http://vitanova-cattery.com/upload/file/64031885420.pdfIn PDF document text
- 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_off0000fcc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCC8 | 11284 bytes |
SHA-256: 6e0e3cb9b00162180339bd824c447c78e7b8f5382f39bd802c64619538b0e4d2 |
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font_01_sfnt_off00011731.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11731 | 16572 bytes |
SHA-256: 8b5649d0a27b9b59431a06904468f7117a25afe23616ee17c5a739097165b3d9 |
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font_02_sfnt_off000141ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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