MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to compromised websites, many of which host other PDF files, suggesting a link farm designed to distribute malicious content. The presence of a 'download button' lure and high ML confidence further support a malicious intent. ClamAV detection confirms this file is malicious, likely a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bb82fc6abb2---8219145725.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a0170b5e857---73136048488.pdf
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a94880dc5dc---lutukewasan.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d808623e3a---41975439815.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a430d4e72cc---wubopapivuruwak.pdf
- http://stauarchitetti.eu/userfiles/files/xepegimuseguluresofoname.pdf
- http://diysmart.net/userfiles/file/38613465394.pdf
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/funodeniguwikugorafos.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16093237da131c---toviki.pdf
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073e53ea2a88---zugimewetoligivebezej.pdf
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/18ebfc78aa457f1a2695fea2f1de1904/40008607456.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb64f3ed45---tifesubavadukefilifipi.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/8f74027722efa874704cbb8bc4ee4c31/32744746227.pdf
- http://hitecds.com/userfiles/file/65345224633.pdf
- http://aaaexpressheating.com/userfiles/file/fuxari.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/472d2a18382c23691ee08415bb29b33d/fopuv.pdf
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/52d2dd70b560ece71282547202f73a4d/17115416764.pdf
- http://stolizstekla.ru/userfiles/file/katonaxokekivozu.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b06d0e3cbfc---wozadu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=i+want+to+slow+dance
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ca17.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA17 | 16792 bytes |
font_01_sfnt_off0000e229.bin58b6fb49b18cf01a34632fb6dd6c2f57bcb5c447264a690d47bfc7c5eff86dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE229 | 20656 bytes |
font_02_sfnt_off0001146b.bin5e6f1b725262aa239ebd37ea5f51a025275861b9de3a371b74e5962cf64b1ed6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1146B | 10208 bytes |
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