MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to compromised WordPress sites, likely intended to trick users into downloading a secondary payload. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/3e949f8df6e19aeca067ea674ae521f3/vujulakobivi.pdf In PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078074794908---mazexabokodidururej.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/munezililemu.pdfIn PDF document text
- http://hanhthien.net/uploads/file/87354310618.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160c9759688e8c---lapupanazodimalufi.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160c59cb8cb637---14152428668.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9136d98456---sejosesofujezopiniwa.pdfIn PDF document text
- http://cosmic-kino.ru/sadm_files/pafijev.pdfIn PDF document text
- http://escqatar.com/uploads/userfiles/file/file/2926648104.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa2721c6ccf---sutifojunonojazeb.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/bu278nlbn5d7pmlu7jeepau1nj/lutitasiwopokilalobuvikil.pdfIn PDF document text
- http://kruengrangthai.com/files/files/kesizifawawesonopefe.pdfIn PDF document text
- http://rw-hse-businessconsulting.de/userfiles/file/59719054425.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/4lgshntq5m6boh07m6dg5jrjch/42926411204.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/likurulubuvi.pdfIn PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/a617203956fc91d1009fdd4b81ac2c43/rulomodij.pdfIn PDF document text
- http://faradtvandor.hu/picture/userfiles/file/9186056085.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/dfa2a37af55d10cec9107830a8d5bab8/75612306079.pdfIn PDF document text
- http://abogadosaguilar.com/ckfinder/userfiles/files/31071846000.pdfIn PDF document text
- http://mobilieroccasion.fr/uploads/file/nimug.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16080128ace5b8---67397092611.pdfIn PDF document text
- http://daoltrading.com/userData/board/file/54386168576.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/16070d98ab2efc---tesibetusepijimowujo.pdfIn PDF document text
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/13999513452.pdfIn PDF document text
- https://dukra.sk/editor_uploads/files/mofotetemipetonat.pdfIn PDF document text
- https://meganimal.pt/site/upload/file/4773555410.pdfIn PDF document text
- http://uppercanadatwocylinderclub.com/clients/877835/File/11879194384.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=outlook+mail+to+pdf+converter+onlinePDF 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_off0000e2f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2F1 | 17596 bytes |
SHA-256: 0a9e8442752f5468079ae40e1c3846f09f89162da7d536c3ea85b5e259761b13 |
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font_01_sfnt_off00011162.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11162 | 10896 bytes |
SHA-256: 604bd0bfb6de1779b6021b8220fb1a0a2c69d4bdeffd660ef0542380f5b1aeb9 |
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font_02_sfnt_off00012a9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A9C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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