MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of embedded URLs, many of which point to compromised WordPress upload directories or are hosted on disposable domains, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://agataklimowska.pl/userfiles/file/40079044591.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a06a3e6ddbf---31397999912.pdf
- https://pfhotel.gr/ckfinder/userfiles/files/judejipemotu.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a0eecf09458---12836032777.pdf
- http://olsztyntransportmedyczny.pl/userfiles/file/84027149204.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f36b893090---dexuzumubibivekugoziwero.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd30013013---48183554230.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160897236aac30---jadoguni.pdf
- http://morgancountyoh.com/userimages/fapotamij.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/af66455cc25d8f5affa94813be4b4b9b/noxemiwabodif.pdf
- https://akemi.ro/hirek/file/64150797998.pdf
- https://sitycare.com/FCK-UserFiles/files/27413927549.pdf
- https://yuss.it/file/17318323157.pdf
- http://aloeverajuice.cz/files/file/37983274337.pdf
- https://stmarys-perthamboy.com/upload/File/dudemevifeteganesadesux.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095ac0d512f8---vetebebewixukukujafetasar.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6a613733b---rewojine.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b96fa57282---15306487579.pdf
- http://teechart.com/uploads/images/files/wifab.pdf
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/4d1967280e88e2f08fbce4b2dddf83b1/30848403658.pdf
- http://superfishinglewood.com/uploads/files/fuvorebotenida.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=be+crushed+by+a+speeding+wall+code
- 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_off0000e1fb.binb1ce7c50557d0dddbd21dd92a736dcb0fc42c567b4980405770714098a0684fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1FB | 11188 bytes |
font_01_sfnt_off0000fbb9.bin975724a0657e189fc19a461e144b8c3c0e09288aabd0f6097655e284f7e5c98e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBB9 | 16524 bytes |
font_02_sfnt_off000126ce.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126CE | 16792 bytes |
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