MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised WordPress upload directories and disposable hosting, suggesting a phishing or malware distribution scheme. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://hotelexpert.ro/uploads/files/pogemin.pdf
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/62d716fb7d70eee162989a980a830dd6/suzowito.pdf
- https://tjp2-hotlink-j3t.com/contents/files/97457030562.pdf
- http://12shio5.com/contents//files/pilerinenagebaxusijebexel.pdf
- http://lncxjzxxw.com/upload_fck/file/2021-5-29/20210529060004291619.pdf
- https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/3814e40064b2198a506b1da5c4962f8d/taferoxafemex.pdf
- http://ahchala.com/img/file/gidujalukubojofefopoto.pdf
- http://aaaexpressheating.com/userfiles/file/pazenagiselijozurobupak.pdf
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/1j50jpmsta8mper3f4h0jehh6d/62026167297.pdf
- http://k-yoga.org/file_upload/spaw_upload/file/20210630041654.pdf
- http://polishingmarblefloor.it/userfiles/files/30806615290.pdf
- http://www.neoneofitou.com/ckfinder/userfiles/files/79494109950.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/gb760jnuoadnukn7pjmd283a6e/dewixeline.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607acfefb02f9---vadureke.pdf
- http://dc-a0dcf319a153.breakthroughsport.com/userfiles/files/gisamewanujibafa.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/827ab2434577e3537c173bb9ac8c2deb/babogovaka.pdf
- http://wchs67.com/clients/f/fd/fd50fd9748f3592dabdfdad26f378f15/File/papibesozor.pdf
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/2btfgct8nk1itjbr87un4v8vu2/kijevojaxi.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5efbb9dc55---37718081731.pdf
- https://faresaldabbous.com/uploads/files/99054026491.pdf
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606ffa8e31b9f---masurilol.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608eff2fee380---92192119058.pdf
- https://sharpconsulting.us/app/webroot/ckfinder/userfiles/files/63645280625.pdf
- http://poorclarescork.ie/images/10700140971.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=krause+nutrition+care+process+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_off0000d983.bin22df709ee1ec5a41611c9f9e53e17783cd4218294532dfb7602652292c312512 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD983 | 17044 bytes |
font_01_sfnt_off00010589.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10589 | 16792 bytes |
font_02_sfnt_off00011da0.bin273ba9e7c647e14e04e9d722b5c192f06b4d4c5db0dea6b5851bbc584249bde2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DA0 | 10660 bytes |
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