MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised CMS upload directories, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted, but the extensive use of external links suggests the primary goal is to drive traffic to attacker-controlled or compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/9a29b27b3582d53211d7fae74e0abeed/70920403543.pdf In PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/18607f12419a10884b3bb6adaac52193/36995107492.pdfIn PDF document text
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/50b2c3f5ea9663ee253a7e0d93c4982b/61161401434.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c0e66f10b---49165945116.pdfIn PDF document text
- http://qachs88.com/clients/58271/File/wanonomavazazamigutokoba.pdfIn PDF document text
- http://www.ecostroyservis.ru/File/fajemegafuxi.pdfIn PDF document text
- http://phongkhamducphuc.net/images/files/97449535263.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a34edc1f366---83786284058.pdfIn PDF document text
- https://vanvoorst.info/uploaded/file/11313358303.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a60c715d649---delijuviximuzibefolasiba.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/eap89nu0lmepbi1scdivindmas/81629820446.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b69bb6cf5---68604759018.pdfIn PDF document text
- http://bettaletroom.com/file_media/file_image/file/disorebujugalodak.pdfIn PDF document text
- http://oasis-inwaste.asia/files/file/petitusimusegajobaxo.pdfIn PDF document text
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/47bqefma8f0icgvdt4mvqqrgis/dijuta.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/20911000066.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/fumajivadidepejigijo.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/68b419e357d68b7f5f18a2d25d5160cd/21216963896.pdfIn PDF document text
- https://mamadona.ru/ckfinder/userfiles/files/60792596795.pdfIn PDF document text
- http://aviteksural.ru/admin/ckfinder/userfiles/files/romoxa.pdfIn PDF document text
- http://winterwonderlandzundert.nl/uploadimages/files/gekade.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/7c1d3d0c15dff2e2f1d137db0445bc17/sakida.pdfIn PDF document text
- https://vivekanandbawwa.com/userfiles/file/32146757454.pdfIn PDF document text
- http://phuocthuan.vn/images/pic/file/jiwap.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ca49dc26cf8---93196096623.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=grand+theft+auto+5+for+ppssppPDF 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_off0000e334.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE334 | 10732 bytes |
SHA-256: 63199c642b425b70cb713064e240b603df3bfa9e0aea5ca7b611ed13e8e96054 |
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font_01_sfnt_off0000fbdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBDD | 17156 bytes |
SHA-256: e917cc314de3313a3596591be4abb981bdc71672857a50dd30b5772604fb1e5c |
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font_02_sfnt_off00012854.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12854 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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