MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
This PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV, indicating malicious intent. The 'SE_CLICKFIX' heuristic suggests a social engineering attack designed to prompt the user to execute a command, likely to download and execute a secondary payload. The numerous embedded URLs, many pointing to compromised CMS upload directories, further support this. No scripts were extracted, but the PDF structure and heuristics point to a phishing or downloader attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/d0ddc31a2533f35ad87fe1ec7de654f9/naxedabedesixaxezisi.pdf
- https://bishopsalamatkhokhar.org/userfiles/file/tosanadogapipamedarog.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/e6901781bb25430baf4382f1cf657799/tanelobonax.pdf
- http://szwygs.com/upload/vurixodepofofekuwu.pdf
- http://nappsa.org/userfiles/file/sagodi.pdf
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/6302a2917cc6575a182a489ef7ba776e/sokominemozas.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/4b55bed8e2030115e4dda32304cefbb3/58709578581.pdf
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/9lc9rai14q7k8ckgrh2jb3csl8/93058120611.pdf
- https://arte-salon.ru/upload_picture/11069747819.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098afd85be80---21530714707.pdf
- https://leganordavigliana.it/uploads/file/kotavuruv.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/9d887ba8fc2ab130b4f25e24fba58945/83263056718.pdf
- http://doo-san.com/userfiles/file/20210709105004.pdf
- https://anfauglir.com/images/file/vefisur.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b4369da43f1---98321080919.pdf
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160803c7ea0385---50855630359.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098977f2cbe0---lepefalexavadi.pdf
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608501a68eede---guvugox.pdf
- http://adance0112.com/upfile/editor/file/41985136707.pdf
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/jvk3a50eq9rqg6trq9ncj0mto1/nexilulipev.pdf
- http://dijladentalcenter-qa.com/userfiles/file/40642671349.pdf
- https://danielstrehlau.com/userfiles/file/zadixevukoserufozupa.pdf
- http://dyglas.com/userData/board/file/ridovejasame.pdf
- http://www.biotanika.pl/upload/file/vafiv.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+make+circle+in+minecraft+with+worldedit
- 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_off0000e6f5.bin696bd526e7e0c88f58aa0da62c7b740cd3cf2950d213cb2b3b6846d05489503c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6F5 | 10744 bytes |
font_01_sfnt_off0000ff6e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF6E | 16792 bytes |
font_02_sfnt_off00011780.binf1e02ada9b7f8cdafd960d05bfd230fa1cff303e43a378de433a06e8b823433a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11780 | 17876 bytes |
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