MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised websites, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or SEO spam. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/392620c2ab4f2c0287d290cf295cfdf3/76265867425.pdf
- http://riversedgefm.com/files/file/39067467643.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/5c6f113d3239d19331a88657db32085b/32198999711.pdf
- http://4seasonstours.in/userfiles/file/12945812228.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16070beca07a2d---duwezo.pdf
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/1b184c5cf11cc3d2a04c6a8df4ae6c73/jofuxopesi.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609951aa2fd08---lewisodajefo.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb91056726---1594021126.pdf
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ae8ae11d324---gefavotina.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/f3b8c116f5ceba65482def7117b5f3ee/silowopikotivofux.pdf
- http://willbramephotography.com/kakow.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/0lr4uegf1142r115lsd1j0uh9e/bukalekupuranuvok.pdf
- https://ancoraeducacion.com/images/tuziregizibidesexobiz.pdf
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/bu26nj00m8a9agrt5go39d94ai/denavudeman.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4702f0f810---4036153473.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609859dbc5fc6---rodelomegulapuwugal.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=democracy+is+a
- http://e1pl2.nazwa.pl/busy/fotki/file/buxutafozub.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_off000116ee.bin879cc0e641ca4c55a923b47aea3c34b36709fb4d45b7239e1c35358a23bb6bec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116EE | 17696 bytes |
font_01_sfnt_off00014505.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14505 | 16792 bytes |
font_02_sfnt_off00015d1c.binf950994634b675b30937fc055ad02f9f16209cb8d2c0d5e4ea5118ae662a476c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D1C | 10260 bytes |
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