MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many of which point to compromised WordPress sites or are hosted on disposable domains, indicating a link farm designed to direct traffic. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple PDF link farm heuristics further supports the malicious intent of distributing traffic to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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://uni-farm.pl/ckfinder/userfiles/files/35033088039.pdf In PDF document text
- https://aawyx.com/sites/default/imageuser/file/tidubikipawiva.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160ba7c05b878b---tifomanewunovudumiz.pdfIn PDF document text
- http://karimeh.com/public/userfiles/file/25098331208.pdfIn PDF document text
- https://laps.pl/userfiles/file/zutalamuwibekiji.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/sezivewibazegijagowim.pdfIn PDF document text
- https://actorconseil.com/files/file/zopuxik.pdfIn PDF document text
- http://www.buildingmalawi.com/images/uploaded/documents/13608407735.pdfIn PDF document text
- http://wawa757.com/uploads/files/mexafipuxo.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/f172837d4b098a5d25fe2f8b73f52bd4/7408809241.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd34191aaf0---pagowabafuxidoka.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/v78k3jf1acbo3mlejsdg55bmuj/tobasoreguxolaxi.pdfIn PDF document text
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/mfkovg9r9of4vqi6h1abg10paj/wevifamod.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/tiaa6lifhv2318n1c727er888m/xikop.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/8is7q2abnad3ohsnstehrarqk5/nudalurexawiregug.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/6bbde267f567a777b8f34c5b61e102d3/rirunamutujudokev.pdfIn PDF document text
- http://sntaviator.ru/ckfinder/userfiles/files/puzoborumobikonuz.pdfIn PDF document text
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/b19238c3043ca6640ba73024574d3844/xajipuboxerug.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c85cd97a8ca---sixekemovuwasolutoziwas.pdfIn PDF document text
- http://phantasos.org/userfiles/file/13545074631.pdfIn PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/940e1f670df0a3b3a233fd83bdf6d28f/tegewovabijazasujiz.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ce9b62f0316---32250096213.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/57794a808aa40e131467e1d8bf77c04e/91936494366.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160959f4fbb386---6355845852.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a288d53d7---10979293705.pdfIn PDF document text
- https://hotellemaritime.com/hotel/upload/files/wekeluzajisokutal.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=testicular+cancer+radiation+therapyPDF 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_off00010b1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B1F | 10788 bytes |
SHA-256: f2530b067538fa05a4f32137512fef15c14e06f442e2a5ba912c0e8dcf0109e6 |
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font_01_sfnt_off000123ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123EC | 17244 bytes |
SHA-256: aa9295b1c5e14349f7fde52870dd0a01d9288a6fb63df77920456e06afdbf471 |
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font_02_sfnt_off0001512a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1512A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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