MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links hosted on compromised WordPress sites, indicating a link farm designed to redirect users. While no scripts were directly extracted, the nature of the links suggests a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/062efe6c551ed5bc8a74b759b2106820/dobufogigu.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/afadedafb3dd7efa0f5feb8fd9d70806/38507062649.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/d9qjt1fn5jbiuavtkcfkk8ub5j/96253406623.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbff9af1c04---kututadeje.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a723e6831e---vexapemamakomutakumutes.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097855135ef4---penujolapuvurin.pdf
- http://sghscsjamarai.org/guruhargobind/userfiles/file/xasogur.pdf
- https://btsmstlucia.com/atomicsteps/upload/userfiles/file/96848426220.pdf
- http://bertrandetgastineaudesigners.com/userfiles/file/zazalefas.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b08bf71a012---wupagorowaleziriputen.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afdb5211ecc---91833936141.pdf
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/3f0d006cdb37fab984548863850f9d92/33990066230.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdde94532e8---vuxegoninibojitegixesutak.pdf
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d94b26ae511---kejuwufedubikaleze.pdf
- https://arte-salon.ru/upload_picture/lorebojifabuwiwitiverule.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/hieu3amimv7cevgkmosc7rnh9h/zodepibodikijedoduf.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160922f28a097d---25682704199.pdf
- http://movietek.vn/hinh-anh/files/puwujure.pdf
- http://assessmentinsight.com/ckfinder/userfiles/files/30319243929.pdf
- https://ppuhperspektywa.pl/files/edytor/file/nusizim.pdf
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/64c25d9a933565b5f08db00bc75bb0d9/pujixunetamijesafe.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607081fc7c69f---84363838932.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=net+force+on+an+incline
- 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_off00010221.bina1b49ecef5a32070576dd24c71cda476aa6821c08d60b5acd0e925a363f817e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10221 | 10136 bytes |
font_01_sfnt_off000118e2.bin1811743d31360b192c6fa56498e00cb1b314a6959b9923d4e6836f76bcbad825 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118E2 | 17580 bytes |
font_02_sfnt_off0001473c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1473C | 16792 bytes |
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