MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with multiple URLs pointing to compromised WordPress upload directories. These links likely serve as redirects to malicious or phishing content, aiming to deceive the user.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613992357a48e---98687606556.pdf In PDF document text
- https://gitedu.in/ckfinder/userfiles/files/50201764982.pdfIn PDF document text
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/53732894466.pdfIn PDF document text
- http://mlsy.cz/images/file/files/vitonilebilosi.pdfIn PDF document text
- http://naosgym.com/userfiles/files/gugulomijefowoxetuzulofe.pdfIn PDF document text
- https://hantverksakuten.se/ckfinder/userfiles/files/32316090394.pdfIn PDF document text
- http://savalis.ru/userfiles/file/tobaturakupo.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/7992826294.pdfIn PDF document text
- https://panificioilcavaliere.it/userfiles/files/vifediropajavenekisuw.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-9-6/20210906160152875375.pdfIn PDF document text
- http://www.hausman.eu/images/wyswig_images/file/genuku.pdfIn PDF document text
- http://ekachaiguitarist.com/ckfinder/userfiles/files/65729742162.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a169907b53---zidupevivig.pdfIn PDF document text
- http://gesgo.de/userfiles/file/16683958471.pdfIn PDF document text
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/14929971208.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/30ef4e73ba71a03491ef1e28fa08f013/45623201512.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/pununawif.pdfIn PDF document text
- http://sm.ac.th/ckfinder/userfiles/files/96538219342.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7ff246217---jefozorajev.pdfIn PDF document text
- http://01host.ru/userfiles/files/32114878719.pdfIn PDF document text
- https://cncunse.com/d/files/jobabi.pdfIn PDF document text
- http://saatgaamkansarasamaj.com/admin/uploads/files/69482143811.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+turn+off+cookies+in+androidPDF 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_off0000d258.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD258 | 17416 bytes |
SHA-256: ba0d483cc75b25ba2e66f64b342ce355f62b71be13314012f557cd1f0e554660 |
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font_01_sfnt_off0000ffce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFCE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000117e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117E5 | 10692 bytes |
SHA-256: d02f9b592478e3aa456a315ae7247d590e1a2dada8198a6064bf71c0bee315d8 |
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