MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a phishing or trojan threat. It contains embedded JavaScript, likely used to execute malicious actions or redirect the user. The presence of a link farm pointing to compromised WordPress uploads suggests an attempt to host or distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.5987
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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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://synerhu.ru/uplcv?utm_term=provident+fund+act+1925+pdf PDF link annotation
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb2efc5179---22368729593.pdfIn PDF document text
- http://krakowska98.com/zdjecia/fck/file/midumoru.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/72606200255.pdfIn PDF document text
- https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/15230211558.pdfIn PDF document text
- https://weeb.nu/userfiles/file/jotoxujawo.pdfIn PDF document text
- http://arlingtonhigh1960.com/clients/881088/File/27682932168.pdfIn PDF document text
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/mk4emnl526gpg8cabeevn71q8p/reput.pdfIn PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/d5428958b6882f2ec30da9c4038b7c87/tumuw.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d2a0e9fce---pasif.pdfIn PDF document text
- https://harom.ro/files/file/56605087587.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac5dde5cd39---vatusususufigalekerusesu.pdfIn PDF document text
- http://kalkulacka-hypo.cz/userfiles/files/sigatugu.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/nv184d88deqcanvbs25f31fi11/belokaz.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/b781d24cd66f96f24a6fcb5722056d14/dajepibabaxumepekopigesi.pdfIn PDF document text
- https://energiadirect.pl/application/resources/ckfinder/userfiles/files/fuzivor.pdfIn PDF document text
- https://badrivishal.com/media/30270580158.pdfIn PDF document text
- https://alansglobalservices.com/ckfinder/userfiles/files/27514029936.pdfIn PDF document text
- https://www.blondel-bois.fr/ckfinder/userfiles/files/99971912307.pdfIn PDF document text
- http://www.artefuoricentro.it/js/lib/ckfinder/userfiles/files/logemumufigek.pdfIn PDF document text
- http://sonnenheizung.ch/fckeditor/editor/images/file/popadabonagumikapevuv.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/f451b26e8bab2a6871ff5cd8a58327e2/5839526201.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161146066ce7cf---sudadiwedoxilopeki.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-7/20210507075806156597.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/b4b0fecc761ce9ba38e693c53e1c292a/tukodasibuvil.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/9685344473147fd42aab90a49a2ae11b/giruxegezojitowomunozaw.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011038.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11038 | 11040 bytes |
SHA-256: 5f3a33d5ebe68835deeb7b18786215d0c1dd253bbb0ee9b1ec20bb989e9a4a05 |
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