MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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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 http://www.donboscovizag.org/images/files/bupibo.pdf In PDF document text
- https://walkandsmile.com/userfiles/file/degilufatijefirasub.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160792ac2b379d---86668604838.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/148c05b4623c8d5a1f80e581e793e8dc/tubisonirilivotetise.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210525211601.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c5152bdb28a---pavajorerixabubiwepawif.pdfIn PDF document text
- http://photo-preiss.com/upload_files/files/97171203217.pdfIn PDF document text
- https://hissekurban.com/resimler/files/navasuzapatubodo.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bddfbfd03b4---27760791538.pdfIn PDF document text
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/a59ea4d44e133d92bcc22a24719fc8ae/23484264272.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/9e50457b5165a1727be6d0c46758ef07/92134291502.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd13d759c3---xataretiwukiwanal.pdfIn PDF document text
- https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/4a619091d7486e6b3f54536e10bf6ec9/legudexelakagesikipaxi.pdfIn PDF document text
- https://strategieb2b.com/userfiles/file/ribasujapofazudinupotav.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/3d4d43aa71544106342659efe926a4a0/jiwilubapepowipaxe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=padmavat+movie+full+downloadPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA85 | 4816 bytes |
SHA-256: 1fa8dc04f2c6feebf2280001e38eed3e8cba20cd61901bed555d1e329e389bfb |
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font_01_sfnt_off0000fae6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAE6 | 10844 bytes |
SHA-256: 32d66decbda88ebf6b153e83c64968c0d4b39e87b55117120cc878fed3b0679d |
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font_02_sfnt_off00011f80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F80 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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