MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, pointing to numerous URLs, some hosted on compromised WordPress sites. The primary purpose appears to be directing users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/inc2b8f001e7p7fao6ffif0s7l/53592230483.pdf In PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/rsifd721g1q1kc5gbe0nnfd2j8/pikozowuvatimaxomuvibe.pdfIn PDF document text
- http://mobydick-band.de/fckdata/file/wupodon.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/84790c477f825052403f80e717ad8e5a/66337643234.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/05da9e5e87f1be171a0c87e9788fc678/66195199060.pdfIn PDF document text
- http://midlandhigh65.com/clients/6/68/682e31fde28f8c6bff7ebba57332ef5f/File/43295199997.pdfIn PDF document text
- http://turhantur.com/turhantur/files/joloxonabaxe.pdfIn PDF document text
- https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/3b870550bc45c58a7dbce93ae0ded571/24631549708.pdfIn PDF document text
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/4ddf719eb67c9d5c8960fef6fb3eeb82/84047620688.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/fae355bdc02b714b87a0f6c94a624f88/seranosa.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/ee511120828f626d7c5db71fb02fa154/46362864923.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/799k5cc429q6jjqhndkq9cg8gm/poxekuwuguvawusagawipax.pdfIn PDF document text
- http://quaker1960.com/clients/3/34/346d0055920ff30d27c63167e405b0e7/File/93945409667.pdfIn PDF document text
- http://svatba-emi.com/uploads/pages/files/vuwowosimupu.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/83e5126a53664e62d4c93b9b3786385b/74709317415.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/582a4cc79e9ae688d091fb5f37031e21/82007010482.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d1c829859---xozemufuwok.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c962aaa36---35987773931.pdfIn PDF document text
- http://pinturasoltra.com/images/slider/files/21412991879.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/qa2ftojhod3i9fs6099tint3hb/tazipilowana.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/7lrsgugj1a40hgmbbpa3fdtjbv/14567163003.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bed69a5a8ba---64509795263.pdfIn PDF document text
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/35de5967be690a7d96c6dae01dd91e9d/dizijirasituxajegipabe.pdfIn PDF document text
- http://pajurioverslas.lt/ckfinder/userfiles/files/78356446219.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=introduction+to+medicinal+chemistry+patrick+5th+edition+pdfPDF link annotation
- 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_off0000c0cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d8e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E6 | 11276 bytes |
SHA-256: ec87422d01bd5e1d079e0ba8eec762720ba15eb9dff0052cdbc842f2a2f4ed69 |
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font_02_sfnt_off0000f33e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF33E | 16804 bytes |
SHA-256: fa5ba6f1543ed302be885100e87f5fc1e46b2424a13f8a91a3141f29b2a0dd60 |
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