MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to websites that appear to be compromised CMS uploads, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ML classifier and ClamAV also flagged this PDF as malicious, specifically as a phishing trojan. The embedded links are the primary indicators of malicious intent, likely serving as a lure for users to click and potentially download further malware or be phished.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://akconta.com/uploads/files/remavepos.pdf In PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ea93c2aec---bivekokavokuwo.pdfIn PDF document text
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160776cf6d82c7---todeje.pdfIn PDF document text
- http://ieeepes-thailand.org/app/webroot/files/files/goputo.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/d7fe98d840762468d8abac48846717a5/veroniwemile.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/abtprbclis2mkgnclh3dgs79q4/wuwotufepedibojizumu.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/dvd6c3ir20cm0fj9kv27l2fmat/36070854712.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/62397ca18d8644b3fef268718af210ac/zajituduta.pdfIn PDF document text
- https://zevkotodoseme.com/upload/ckfinder/files/20625599125.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609247e8d4b93---gagudefabazipumafip.pdfIn PDF document text
- http://drwatsonsr.com/clients/2/2b/2b9a0cf27321ceab3a47fbd10bf94d34/File/bilas.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/69953035011.pdfIn PDF document text
- https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/8gdq9m0qmpvrboqvsdv1jvpvvb/zifer.pdfIn PDF document text
- http://xn--b1adrijbbb.xn--p1ai/upload_picture/kavatedewusijum.pdfIn PDF document text
- http://cherriestattoo.com/ckfinder/userfiles/files/rezefadofeg.pdfIn PDF document text
- http://teechart.com/uploads/images/files/sudewigebozeneb.pdfIn PDF document text
- http://lnshiyue.com/userfiles/file/20210603104644_734418104.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/19451038110.pdfIn PDF document text
- https://grup-insaat.com/userfiles/file/votuwuzutinodurevuno.pdfIn PDF document text
- http://stellarvvv.ru/ckfinder/userfiles/files/lajovozabawejixijime.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/9187f3e6d2df2baa82d9182c1da7ab22/26591769114.pdfIn PDF document text
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/a885a415668198e4cc105ff2a962c82d/siwevi.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608e463529009---30370049198.pdfIn PDF document text
- http://at2apigroup3.com/contents//files/50241744158.pdfIn PDF document text
- http://turksebruiloften.nl/userfiles/file/52571049617.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=the+law+of+attraction+pdf+hicksPDF 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_off0000f9ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000111c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111C2 | 10856 bytes |
SHA-256: 66189c431884f7e51e23a6f5440e42435a577b046e362023e24caedb7c5c6fa1 |
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font_02_sfnt_off00012ade.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ADE | 19084 bytes |
SHA-256: 7599d87a034083f62959abb5d530f8d83000c009d1a0a3fa59d388e4a417f547 |
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