MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for exploiting PDF viewers. It also contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.8991
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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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://drafthe.ru/uplcv?utm_term=if+my+left+ear+is+ringing+what+does+that+mean PDF link annotation
- http://gaishachuukobuhin.com/js/upload/files/50833622173.pdfIn PDF document text
- http://ytlcases.com/userfiles/file/28128931815.pdfIn PDF document text
- http://topenglish.sk/app/webroot/gallery/files/zekedufemeforomiwazepew.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607533f8c3cec---jezilironebujudixabipizaj.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607caabe81a38---1784591085.pdfIn PDF document text
- https://mzr-avocats.com/buddha/ckfinder/userfiles/files/89407566295.pdfIn PDF document text
- https://irrisyst.eu/files/file/wafowutod.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f84a911a92---kekuzurirapegigifuwidut.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160772d60832f7---xowufetutavip.pdfIn PDF document text
- http://africa-emergence2019.com/userfiles/file/37340850276.pdfIn PDF document text
- http://interiorconsignments.com/media/file/nazigafewikunilawunafoja.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-7-10/20210710144950633452.pdfIn PDF document text
- http://deborahbrown.us/clients/860103/File/bozovapakewelibakameji.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/v4dghhqavq0d02g8pmm4b2t44g/36246795996.pdfIn PDF document text
- http://montgomery71.com/clients/34132/File/pukesusonopenoxa.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160940187aab30---joferuzofesewimanosid.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609622d9d01e1---dopajumex.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16114c0d937a03---lobopode.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/0a15767e324c24af0a6c56291f7832f5/juraxute.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075e3a79c6f5---lasojowulovipilebunot.pdfIn PDF document text
- https://rockeit.com/userfiles/file/57161717495.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/e2027532164d76a0b57ddfaf62111bef/907883763.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3765447db---mitodewawejaram.pdfIn PDF document text
- https://gullyracing.it/admin/ckfinder/userfiles/files/51357260460.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/vhp400bdvbnurmks9smndoa0ei/71002810769.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_off0000f90b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF90B | 10952 bytes |
SHA-256: 948e6075aa7e8f9243d96d4597e09ea8049a6e7c217e6a6ba6d5d9824a73d5ed |
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