MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, suggesting it functions as a link farm designed to redirect users to potentially harmful destinations. The presence of external URIs and the nature of the links strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16096b1af83c79---pafezutogikawo.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160dda4f101b10---vosanasugijetogijiregaj.pdf
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/nilepenefupofatugan.pdf
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/f980e74be23406360a4c1f27caee3ff4/28996242515.pdf
- https://aduanaldelvalle.com/userfiles/file/51064708274.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b45a3dee2---gapisikoxux.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160823c08e3137---35316120924.pdf
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/35939c173ccb003c36d3b3d66335118b/boforitolofutaruvi.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160ba87cc8730f---bixokivogom.pdf
- https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/16081963767f73---sesisusora.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5aba5964a---54994590758.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608170bb29b7b---giwovemoj.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9bc2353a1a---54470034932.pdf
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/2d10731134482e913ab2de6e85c448b2/89327911657.pdf
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a050a70c477---pabobafukosap.pdf
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f16454f15---63813513239.pdf
- https://acryl-bg.com/userfiles/file/29675266632.pdf
- https://unibel.pl/pliki/upload/file/panusifozete.pdf
- https://travelsafeway.com/userfiles/file/zenodelojafo.pdf
- https://peptidturkiye.com/ckfinder/userfiles/files/zaxevituxoxowot.pdf
- https://raiporjai.com/piceditor/file/4658312580.pdf
- http://pleasanthillpchurch.com/clients/5/55/55aa087cacc886b2254ddcc242c0699b/File/4146624861.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c30b10110f6---zezigebevoter.pdf
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c77d54ff83---lubiribotiwaboromijewojaf.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=numerical+aperture+and+f+number
- 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_off0000f620.binbde777f46128d99cbb73b055aa73eae8e550a94d59e57335230818426543ac2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF620 | 10708 bytes |
font_01_sfnt_off00010e65.binba82d411acdb492f104b6b8786ba0c5ff02ebfee98f9633aef45d2001a8b66ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E65 | 17900 bytes |
font_02_sfnt_off00013dae.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DAE | 16792 bytes |
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