MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It functions as a link farm, directing users to multiple compromised WordPress upload directories. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076bc8cdce37---foxudegibawinofetupukoz.pdf
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160947d13515ec---namenuvupeje.pdf
- http://historia-bfured.hu/userfiles/file/kenumefi.pdf
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611edb3d07f38---57145396277.pdf
- https://autotoner123.com/home/autotone/public_html/ckeditortest_WORKING/ckfinder/userfiles/files/8785982737.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/uburqnhevv7qkev2b18iufa1pt/karuralefikogurodexedud.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/9p105o9c1vngtjt082qdajf720/dugasaka.pdf
- http://nhuaduongnhapkhauaz.com/upload/files/gokiputo.pdf
- http://www.bash.cl/media/file/fegulapikijipulikoteb.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca6a9775da.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/32cef362147ca956e77c3629c3368182/pobenagabofupuzopogorabe.pdf
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/199d1dfe4f183f62d2e2ad1a135686a3/27207084982.pdf
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e278756eb8---87801740137.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16071935ce94b6---seropopo.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/2e7d75c92f48539b8f23c26ff1bd952f/95705048080.pdf
- http://angeladaniel.de/uploads/files/94989616137.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16072ad456f97e---xuxavidaluvogazex.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/jo7hdclacq1e6tu00253eathp6/ledujadowixefesuwo.pdf
- http://reunionfamily.com/clients/6/6c/6c58f7de0247188f02debbcda007d80b/File/72754649550.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/78b9332trdjtd871qjkvianpeu/15276757110.pdf
- https://magiccat.pro/ckfinder/userfiles/files/65525887960.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa0277c24a---rajiwekafosutipevekifuzup.pdf
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b44ec9f12f6---lunukolotiji.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef7d2aa637---gilibes.pdf
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a009366f3e8---45404274242.pdf
- https://pametnidom.hr/pametne_kuce/userfiles/file/tipomolinabu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=do+you+soak+clothes+in+hot+or+cold+water
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d02a.bin2e2386d4ba9ea613f0ea76b33abf74e807f78fabb5618cffedf202df2f9dc129 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD02A | 10860 bytes |
font_01_sfnt_off0000e948.bin6496e2780376727544172402ca1e500e21a1dacffbd70047429e70cbc106c589 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE948 | 17064 bytes |
font_02_sfnt_off0001153f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1153F | 16792 bytes |
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