MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ML classifiers and ClamAV as malicious. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories. These links likely serve as a distribution point for phishing content or further malware. No scripts were extracted, but the PDF structure itself facilitates the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://huntic.ru/uplcv?utm_term=robert+gould+shaw+letters+pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b779581dc39---towewoxomekokuporelofu.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb4a453fad---tifokikifaguga.pdf
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ae70d969a---xononebibotixezufet.pdf
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afbc60a330f---4338302800.pdf
- https://arvikabc.com/images/uploadedimages/file/4000815821.pdf
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609f6d597bab3---kirilule.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/5ukjc11npemta3113m9lmhn6o1/ratodativodawow.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/bcfd0ffe566a9dd1342ea66e92ac9303/tukizadijaw.pdf
- http://citywideok.com/clients/75789/File/51721799287.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a7522904f32---12276346808.pdf
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a090be23d0e---97403171359.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9fe2e2826---2266471732.pdf
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/841d2a68fa4a58790e84a96f75878a07/14630832368.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/sd3vjsnr9sgfl96suu8j70fo80/rizagipupawazam.pdf
- https://flyags.com/editorResources/file/%5C/pedogagekowurokazo.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/2921219ff014395eb71dc8464d97984e/60780299535.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094217fea9d5---60558828753.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/361afa8bc9aa32bfdfca927e74199885/82067651666.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000103ef.bincaadd1079e04f5b60e41eadc0e5a436db2e53cbecc40a0ef8915c4a67fe7ab90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103EF | 5540 bytes |
font_01_sfnt_off000116d8.binb1052a130a3e095cd571dfc4f769382d0c11f935bdf8c10cc7b6c621d8184939 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116D8 | 10780 bytes |
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