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 embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to redirect users to phishing or malware distribution sites. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://inwebjor.ru/uplcv?utm_term=2+of+cups+and+9+of+pentacles
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160841c183fb71---87279716714.pdf
- https://landatur.com/files/galeria/files/79698708275.pdf
- http://pulsarvn.com/media/ftp/file/remimoxexilisuv.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aa80d660e53---nibegerafutovabumoz.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16076aa10bcaf5---35464850969.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16092a4680fe5a---kufazurujowovexe.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/djhlkgaq9il8pilbb0mvll7ij2/dotab.pdf
- http://ubestsports.com/imager/files/20210616184735.pdf
- https://gbagencement.fr/uploads/file/67466706056.pdf
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093b4cca230b---26415012185.pdf
- http://dynamic1984.com/user_file/file/farurotasoraguzota.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/8bb3ef795d9c936c33c4ab4f56f2a032/95564553975.pdf
- https://onlinendttraining.net/files/metosibiwajemo.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a48011639df---64641352198.pdf
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/5gf5050tn16ue2qdb7929fvgu1/zegeribakiwepepajugarodik.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16073f5dcb548b---19632402771.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16080cd9215b60---61492158849.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/325e4f35c81a64820efe7ff9026a8a8e/34843466463.pdf
- https://beauty-full.ru/uploads/files/gokogadufepeku.pdf
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/14bf37ad3ee2c8e24f7975f47dd469b6/kojujuxoxotu.pdf
- 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_off0000c89a.bin2329bd775dc9b1796eb7aa0b775cac26ebe441505cc5d7b0968a8416916d7a60 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC89A | 10712 bytes |
font_01_sfnt_off0000e16e.bin1941ebac53d15f7ae5ab45fc41ae84e63254f3d6386474d28123e7f3be03ffed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE16E | 16564 bytes |
font_02_sfnt_off00010c14.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C14 | 16792 bytes |
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