MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised WordPress installations, suggesting a link farm or phishing lure. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the document is designed to redirect users to potentially harmful sites. No scripts were extracted, but the overall structure points to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/afierovlapu7i08htcdfmumbsd/50809381692.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bf56c1a1763---najis.pdf
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/a9099b1b67ba7bbeeca7f6e651e9ef24/fizaforixofujimidabovabo.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e6aa419852---lovorinumizomup.pdf
- http://cnpair.com/userfiles/file/naninifodinuf.pdf
- http://stolizstekla.ru/userfiles/file/lukidux.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a3818aed8b7---vizixupiwozupelitotijik.pdf
- http://evohome.pl/userfiles/file/regejanudafukijafufituwu.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608065c4a51d2---dedelu.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc6196d656---narozosixeboviwixegi.pdf
- https://kurek-rowery.pl/user_pict/file/vibuwuwofinop.pdf
- http://unseretochter.com/images/file/67463710744.pdf
- https://aawyx.com/sites/default/imageuser/file/lebazi.pdf
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/d2394273aa0036d0455c1efb17fccf10/xuvabege.pdf
- https://filetorme.com/upload/files/39316270417.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609da5fad3755---13036127020.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/a70c81251ca98dacefdd357566726c42/nukakarubole.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb930f0271---duxezaminawamatupapazeka.pdf
- http://kleinschaden.expert/userfiles/file/40028543491.pdf
- http://bright-mineral.com/uploadfile/file/2021062723584578.pdf
- https://landbondcorten.com/attachment/file/aabe5f27b1e63491f2d2107216508ad7.pdf
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/qjvi27nipghdqteaam5fpigi4r/32859779880.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=staad+pro+manual+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_off0000ecb2.bin3282fd69eeb93c4878ec1cffa96b2ccb3eee3a931583bf0a8cbda46ef3b7ecf2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECB2 | 17948 bytes |
font_01_sfnt_off00011c61.bin840ced9c8be5a31c4175d554632207585a83f86fde8b4b251b4168b500c53151 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C61 | 10444 bytes |
font_02_sfnt_off00013402.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13402 | 16792 bytes |
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