MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous URLs, many of which point to compromised CMS upload directories, suggesting a link farm designed to distribute malicious files. ClamAV detection and ML classification strongly indicate malicious intent. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbc34d6339---60579521223.pdf
- http://daimarconstrucciones.com/images/admin/file/neposeg.pdf
- http://nhhs78.org/clients/63854/File/65252428154.pdf
- http://snypes.nl/img/customer//files/95627107525.pdf
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/80gngi733k19fqf4512edbsnn1/munovaludepamotexuvat.pdf
- http://alexhofford.com/temp/files/file/75736267828.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b4e0b333e16---17064565796.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f99b43363b---mideguwin.pdf
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c6c25adf3b9---18134860846.pdf
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/8fiio03grlm6ifrf3e4r369fn0/48178282073.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160963d43850ca---5303796939.pdf
- https://ajitcoatings.com/uploads/mijanawumedevemulixikokar.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/9b6ahdvj6pjqqv9gh43jtjhc81/91238925268.pdf
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/9khp5ak70n4cc49va5iv870t65/90378382113.pdf
- http://polletnv.be/uploads/files/33016075910.pdf
- http://akcjonariusz.com/UserFiles/file/negaguruwapuwaz.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/4fc31901f35eec46753dbdf192a62fad/jogevunufoborexexoluziwas.pdf
- http://ordinate-ltd.com/file_media/file_image/file/wumiginidep.pdf
- http://bsa.by/ckfinder/userfiles/files/boguxebimuwowixuzegik.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/433c63e6bf95944d5098562343d5add8/sedovekovakupovefemosejet.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de2f15ed7a1---31705488870.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609b50cad4906---77281974685.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/9nmbhvejfucp7h2b3cb8335rc3/81384174335.pdf
- https://communeouchamps.fr/userfiles/file/76104662500.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c683b743a83---14393503238.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=black+hair+turquoise+highlights
- 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_off0000fca6.bin2f08b6b817d0d78cc4d3e4f1083151a4d3b6906dba558fbafe6799da68e7f96a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA6 | 10796 bytes |
font_01_sfnt_off00011573.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11573 | 16792 bytes |
font_02_sfnt_off00012d85.bin23e2f211eef5cb0eb8ab422ee65d32846d0ab41cd7879c82206ddfc9dad1a5c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D85 | 17072 bytes |
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