MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress uploads and other disposable hosting, indicating a link farm designed to redirect users. The document body is heavily obfuscated, preventing analysis of its specific content, but the overall structure and URL targets suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161486ab9169ea---81483333936.pdf In PDF document text
- http://gelateriacool.it/userfiles/files/vovudawirinix.pdfIn PDF document text
- http://njchemland.com/upload/files/59974846820.pdfIn PDF document text
- https://samsungklima.net/upload/ckfinder/files/xugisifix.pdfIn PDF document text
- https://www.barrau-philippe-sedeco.fr/ckfinder/userfiles/files/mozajorizibadutipakajez.pdfIn PDF document text
- https://upaspor.com/resimler/files/67366492600.pdfIn PDF document text
- http://sireny.net/share/files/94933083435.pdfIn PDF document text
- https://www.hkha.com.hk/ckfinder/userfiles/files/toduwixefazopubeluw.pdfIn PDF document text
- https://derechosenred.org/aym_image/files/gelarubexosadavulele.pdfIn PDF document text
- http://investbuild.ru/var/upload/file/wumozixifopojolujowatowa.pdfIn PDF document text
- http://demirlermetal.com/resimler/files/86497294226.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16145c5fca36ec---14316023765.pdfIn PDF document text
- https://myarchitect.es/ckfinder/userfiles/files/falixovirujonofoxixuzi.pdfIn PDF document text
- http://chrisdepanneservices.fr/Sites/cds/files/kapamagen.pdfIn PDF document text
- http://kotrackusa.com/fckedit_file/file///20210906_11_9_38.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/3487f54acdde016bf8686127e7e3527d/zojekesopuretofunuledunex.pdfIn PDF document text
- http://tccsrl.org/userfiles/files/69102666283.pdfIn PDF document text
- http://security-m.jp/tool/images/file/sedeko.pdfIn PDF document text
- http://montazerangroup.com/uploader/file/turivali.pdfIn PDF document text
- http://ewhamd.net/upFiles/ckeditor/files/9814997616.pdfIn PDF document text
- http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/62977441402.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fed0a73820---velukuvusoz.pdfIn PDF document text
- https://granitnet.hu/editor_up/94856248549.pdfIn PDF document text
- http://fuhua.tumujike.com/assets/upload/files/202109060020058066.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=por+el+placer+de+vivir+libro+pdfPDF 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c047.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC047 | 18156 bytes |
SHA-256: 825b931b3fe39a6d85e08b211ffafae7f55fa0cbe1ddb368828464db8c09f38c |
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font_01_sfnt_off0000ee63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001067a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1067A | 10448 bytes |
SHA-256: 9deeabbfa9147efa38c3ef756c5b111fa8a9758b753683606cde14a8e95cb5b2 |
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