MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The document contains a large number of embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links strongly indicates a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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=industrial+catalysts+should+have PDF link annotation
- https://moveo-sport.pl/userfiles/file/vamerizigatif.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/161237f03bb53b---25636223111.pdfIn PDF document text
- http://kfbi.ru/content/file/kenedo.pdfIn PDF document text
- http://www.tm-africa.com/beta/public/uploads/cms_filescms_files/18146542775.pdfIn PDF document text
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/f4764a23c95ab04264b866bf3ce13510/96200339845.pdfIn PDF document text
- http://gramercygrand.ru/files/file/jizawumokupol.pdfIn PDF document text
- http://terfigyelokamera.info/files/file/75331523124.pdfIn PDF document text
- http://koala-al.com/d/files/dinototufojabapuda.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4733a6f95---vakopogukulusikixotadud.pdfIn PDF document text
- https://okna-kurska.ru/page_edit/_samples/userfiles/files/xonemaxe.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/4d5115ca535f4471ab3a5195006f39a1/benejidusifisebujodufar.pdfIn PDF document text
- http://erisalaw-chicago.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/raresezagipiga.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/d761aag7hbpmtkbo6bj8mejvli/31769805966.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d02dcbfe7---98509818040.pdfIn PDF document text
- http://www.fred-robin.com/ckfinder/userfiles/files/xepodamomapowoneposak.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/b1c9fd4457ffc31649c16e50c7cbc09e/71890618098.pdfIn PDF document text
- http://ellev.fr/upload/files/6311149387.pdfIn PDF document text
- http://njuhome.pl/ckfinder/userfiles/files/77636725570.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/kpk732p4347fnp1a3eminf2on4/3390008434.pdfIn PDF document text
- https://faguaflowers.com/images/admin/file/fakanirinapovidifizes.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/en5786rbc3j4i2aavhnbnsb1b9/lexurag.pdfIn PDF document text
- http://carszana.com/image/upload/File/4260602925.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/b9tbbg61d5t273r2f8i9nn3oeg/50751362030.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16092a10e8fe77---luxaviparugubuku.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010927.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10927 | 17944 bytes |
SHA-256: 0f316e449a1cf10898e817cfe445cb17585c1f147c76357424cb851a32916925 |
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font_01_sfnt_off000137ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137EC | 10700 bytes |
SHA-256: 03dfbb16238f9af2c18fb319914ca00ad561892cf9732d3e2b953bbae73223b6 |
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font_02_sfnt_off00015079.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15079 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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