MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous links pointing to compromised websites, suggesting it's part of a campaign to redirect users to malicious content. The presence of link farms on disposable hosting further supports a malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b86490904---54179624098.pdf In PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608579ff51524---59907863629.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609e84cf4889b---59058085993.pdfIn PDF document text
- http://shethof.ch/cgi-bin/dynamisch/file/bodobebedofuwib.pdfIn PDF document text
- http://torgoborud.org/images/file/88802069111.pdfIn PDF document text
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/zerarunugugiwilufineman.pdfIn PDF document text
- http://itineraire-consulting.com/ckfinder/userfiles/files/gifuxatewameriluke.pdfIn PDF document text
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/ca21cdb933afba0938dd373b6b57161f/38175985640.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f0cf09d601a---9246423459.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a8fe57c4c82---xizasovabedotewuto.pdfIn PDF document text
- http://csc020.com/userfiles/file/20210705023038_pgbcw1.pdfIn PDF document text
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/dca4dfe28f33218a6b3bd2e217349fbf/vugusefelotiturezat.pdfIn PDF document text
- https://lawrenceyezersky.com/userfiles/file/jomusowilo.pdfIn PDF document text
- http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16078a072bbae9---ketusalekifevugabukuzinu.pdfIn PDF document text
- http://biaikatolikus.hu/files/file/89723899087.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/6lv5epbbicaiuqt2tmpg69uj0m/denixugebixuzamuji.pdfIn PDF document text
- http://dioceseofniranam.org/userfiles/file/9893783426.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/16072e484a40ec---bopagedenurekesuvize.pdfIn PDF document text
- http://i-daa-wl.de/userfiles/viwewirasu.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/6b02b6484f44131a25a61dae0124e159/64131147876.pdfIn PDF document text
- http://stlnsk.ru/uploads/file/92694248736.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abb534e5bde---94401500965.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/ca972b905bec691a1491e7758a1d96fa/modopemebawuwube.pdfIn PDF document text
- http://crm333.com/documentos/file/disarazulit.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/2ef0a9c8c2e12c5e87e4c4f42ef1efb7/93464237821.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=stay+over+nightPDF 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_off00012f39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F39 | 10428 bytes |
SHA-256: d329e6c68d5e670c9b0568c88f8c55983041bfb52c5483b903b672da70cffb92 |
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font_01_sfnt_off000146d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146D2 | 18188 bytes |
SHA-256: 7318ddf778fc7ae93efa3b35f577a72f7288e9dbf302cba2c75af55805b4c95e |
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font_02_sfnt_off00017444.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17444 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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