MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The primary attack pattern involves leveraging these external links for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://infrive.ru/uplcv?utm_term=how+to+grow+lilacs+from+cuttings PDF link annotation
- http://hobbstownis100.com/clients/6/66/66141d04a4341350d76ae3a38785cb5a/File/32468773905.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160b19038ceca2---bobamilejazifaredane.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/6aba20d01992d5341cd7e6b4edc815ce/61198142542.pdfIn PDF document text
- http://clear-es.net/yamituki-n/uploads/files/43374415245.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d29fc1c0ffa---tesunadimugusipenuketez.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/f66c23dc115f5eff0898a5231402a64b/vubeme.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093cb6c912b6---87542084921.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079b71163615---garigovemeveguxaj.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/75ad278ee97ff889b67e67c99fbb13bc/vupan.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/j8e9mfd3hvqh89i1vnfr48bs4t/kukosikizisaxenewo.pdfIn PDF document text
- http://occahomesearch.com/userfiles/files/13888607610.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/1a0cad1bf668d678985d7d26852efd03/daxezuk.pdfIn PDF document text
- http://abwingssuffolk2.com/uploads/files/lojaselo.pdfIn PDF document text
- https://alianzatours.com/imagenes/file/bekanoronezepow.pdfIn PDF document text
- http://songpinhao.com/userfiles/files/ligifib.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac81d6c269---34502000054.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba8d4c59e3---sebokijinemasiketif.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/5jn0j994fnkaghfn1d39qvt66v/82179237357.pdfIn PDF document text
- http://bahtiyardishekimi.com/fckfiles/file/kuwolefeno.pdfIn PDF document text
- http://babamoleskine.com/files/file/75638031847.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160960faa5ca92---mebanojirikogi.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/nipusiroxojozanuxezonamiz.pdfIn PDF document text
- https://ayurvedaemart.com/uploads/file/redozoxaxanoxaraniru.pdfIn PDF document text
- http://dansensvenner.dk/imagesfile///26688805150.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_off0000f702.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF702 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010f14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F14 | 17196 bytes |
SHA-256: c6ade2a173af72d6b25ffc3ced4898bec9f764197f31c0f18ab32819efef9283 |
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font_02_sfnt_off00013bb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BB1 | 10724 bytes |
SHA-256: 5c51518497a94c6815c76c5fe4d82f9e4bd1de9a70fff722df000098282cdd11 |
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