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 external URIs and link farms pointing to potentially compromised websites, suggesting a phishing or malware distribution campaign. The file's structure and embedded URLs are consistent with a spearphishing attachment used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://crysiq.ru/uplcv?utm_term=genel+muhasebe+1+kitab%C4%B1+pdf PDF link annotation
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e82eeb8596---51080256340.pdfIn PDF document text
- https://sjalikave.hu/pictures/file/16895563090.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/c0fada8072436d52a3cbb0357284ee34/34580046302.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160966bd390a3f---89904654218.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff9e05e83f---33166847752.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f5b7afad0---29069983330.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609a4435ee70a---73931385267.pdfIn PDF document text
- http://hhtaitung.com/CKEdit/upload/files/jufodir.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e834b114fa8---64415262700.pdfIn PDF document text
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/n1ifut8i5ui3134trk8ag0qvo1/biwexozoluva.pdfIn PDF document text
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/b80983d59da2a9900bf2e9fe94613324/faxepaxizapob.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/um1ovbhmt691hcoi5jhsan5umg/26365953133.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d1cade12acb---foviwumubexalep.pdfIn PDF document text
- http://tktravel.shop/FileData/ckfinder/files/20210627_BE2F23F9B750382F.pdfIn PDF document text
- http://chi-kara.net/userfiles/file/28363589217.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/somusezupowof.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/8f415a3ac99fea14fb86f8f03f0109ba/91001354070.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608166e97578a---resuwajusupoba.pdfIn PDF document text
- http://xn--szabowski-tub.pl/userfiles/file/gisajiluduve.pdfIn PDF document text
- http://www.aadhar-interior.com/userfiles/file/3714787398.pdfIn PDF document text
- https://drlanda.hu/user/file/surekigulejepanomalutamo.pdfIn PDF document text
- http://agrion.org/upload/fichier/15623053397.pdfIn PDF document text
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/c3e181bc45ee338c3f3da573cc59aaa1/14102925844.pdfIn PDF document text
- http://stagnesreunion.com/clients/e/ed/ed16748122b3ff8ec97113314e0446c4/File/41666214458.pdfIn PDF document text
- http://architettotamborra.eu/userfiles/files/kananizokafoj.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_off0001604b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1604B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00017862.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17862 | 11012 bytes |
SHA-256: 839c2800967bff9a61ae81188619b104bafb6406d281b9acbc63ad3d28db0fa5 |
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font_02_sfnt_off00019185.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19185 | 18384 bytes |
SHA-256: f836ab058116453b753714f191c4e10a1105cfe4265ae3bdbcb69edc1c30850e |
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