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 and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The primary attack pattern involves luring users through these links, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://smidgel.ru/uplcv?utm_term=spoof+caller+id+text+message PDF link annotation
- https://trvstore.com/userfiles/file/fafinemowav.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/c8bib9s46c525n2vgp8gugfie5/98966942255.pdfIn PDF document text
- https://semagro-msw.ru/pics/images/file/takolijukawasemogowogu.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/ae004011fd7da98ee079d974753cb091/60502113050.pdfIn PDF document text
- http://shinies.ru/img/lib/file/18950402224.pdfIn PDF document text
- https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/jumuselonab.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/66b2fb8ce76677afffa1a4a0c0d0b5c5/goramojevupu.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/0776cf23e4c754b6f617ec0ffef6c50a/99032331900.pdfIn PDF document text
- https://zakarpattya-tour.com/upload/35148859872.pdfIn PDF document text
- http://bienbao.net/uploads/files/walidubebefiwor.pdfIn PDF document text
- http://ahs1968.com/clients/d/dc/dcea35c349c70fb55dca458fc6558ff6/File/bodimobitivaki.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed4e14f0c6---ralazevobelidip.pdfIn PDF document text
- http://greenbiotech.vn/uploads/userfiles/file/42941042214.pdfIn PDF document text
- http://wedding-ideas.ru/ckfinder/userfiles/files/bidilabopoxogutojaza.pdfIn PDF document text
- https://newtech-utm.pl/userfiles/file/69161033986.pdfIn PDF document text
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a71e9ed75---kimap.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/lutanil.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092f8c579a98---dumezedipegobafesaj.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/8fdecb943028110f26260fcf1428ce36/vurotugefimeda.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/316266f385ded6e382753d9f8c15a58b/xekegogamirosisomox.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/0d4b32b726cd995be17dec87991495c9/18090044989.pdfIn PDF document text
- http://cnhhgj.com/upfiles/userfiles/file/wilesokupatemoko.pdfIn PDF document text
- http://allseasonsart.com/uploads/fck_uploads/file/4535528741.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ecd13089eb8---15425037112.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_off0000f585.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF585 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010d9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D9C | 11036 bytes |
SHA-256: b84820cf06fce586ee9c1db51c2458b3e63304f1e11fdbe1f5af5c05e161f91e |
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font_02_sfnt_off00012721.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12721 | 17164 bytes |
SHA-256: 384db6802cfdcabc57dd930f0a706f7f69e3c4d11db9e7211a0fb3ac5405e46a |
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