MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other domains, likely serving as a distribution point for phishing or malware. The primary attack pattern involves luring users through potentially deceptive links, which could lead to exploitation or credential theft.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://philabc.ru/uplcv?utm_term=vray+for+revit+free+download
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4c4f28097---kubifejegojizurofifa.pdf
- http://sea-cruise.ru/ckfinder/userfiles/files/detajodavojunojuwigipa.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/1269069e26774a7df6d653d1752175e4/5086816367.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b63451deddf---fivanozi.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/qnce1t9h6dgem3o9sl394trnk4/riwesiwexade.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098192d10ee0---48076711554.pdf
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/sj71en0fbn862is3sokvof5d6g/benufarivezaroraziz.pdf
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfd637b151---lukepetorirutolidewegumi.pdf
- http://arniestribu.com/campannas/file/47513375819.pdf
- http://humanitool.ru/userfiles/file/31227323374.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/ig1fi3itlfdcmiu06gf5j9hk33/xisuvefosojevelapirev.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a52bb5a4d51---36281094028.pdf
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/b13j0o43mae28j5rqsssqt4ne0/42811422189.pdf
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/t8ck7ev9cj80tpuqouedh0op50/zojutolirar.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4e0772b6f---gogarukifisig.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/v4fmpk9d4vqot4gu0tb03jvg17/fuvezidevigoganaxubetoweb.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f927.bina849b76f9363f6e208a6b3b97826a54f7c8e554eb642b232eb64e54d4f8be3d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF927 | 4032 bytes |
font_01_sfnt_off00010798.bin126b3d7ddcfbacbd153486d944526527bae4e80afd0e881f314264e940428d98 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10798 | 4944 bytes |
font_02_sfnt_off00011892.bin78e94e2e47178245ca437e301e19f50dc99845ecc02da2ba30fe2b1e34051cc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11892 | 2092 bytes |
font_03_sfnt_off00012237.bin12a74d3bced1e1bcfc40117dbde866e3e0e31756694e06ceb18f65707b5dfafc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12237 | 13736 bytes |
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