MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links to external websites, many of which are hosted on compromised CMS platforms, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://crewmak.ru/uplcv?utm_term=inter+first+year+botany+textbook+pdf PDF link annotation
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092ef680bb48---suwumiwenomomaxibabi.pdfIn PDF document text
- https://vandolderskb.com/images/usr/pawapigitek.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16081123f756fa---7875160479.pdfIn PDF document text
- https://emauto.lv/index/images/up/file/vobuvojazu.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16084561803e82---lamefuz.pdfIn PDF document text
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/oboasa7ctb783a78hniggvl0oi/sufuwunuzibozogonikegewem.pdfIn PDF document text
- http://winfielddeli.com/ckfinder/userfiles/files/44007294475.pdfIn PDF document text
- http://martom24.pl/martom/userfiles/file/6032135.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be133666f17---36248061657.pdfIn PDF document text
- https://aravlicraft.com/cmsCart//upload/file/94809011294.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ce34693cec---kisepufefezonoxafebib.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/5aa7149a98a8d0326fa5ba82ba893ca6/lasonojizexepojepil.pdfIn PDF document text
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/2604b3eac63dc651240a59c8a3608354/79004066303.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac21e08b400---1177797417.pdfIn PDF document text
- http://ciaooo.ru/uploades/userfiles/file/sosavepadakexoxefuwofovav.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7108ca035---69484081534.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e3ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3AD | 5316 bytes |
SHA-256: e99033ee86f5c2a9a2f4d068f9636cd409cb95b114c6c38d52895a045382dbc5 |
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font_01_sfnt_off0000f5da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5DA | 10964 bytes |
SHA-256: 51b0300ff80d69cf8be08710cc12e5d52c73e87dcc4dd8d19aaf9749b40e4751 |
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