MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. It also functions as a link farm, directing users to multiple external URLs, some of which are hosted on compromised WordPress sites or disposable domains. The ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicates a phishing or trojan distribution intent.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3070
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://noble-program.site/js/ckfinder/userfiles/files/zizizakuwofenezoxuwo.pdf In PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/tdj4ijf11no4sf7geqdr580sjp/jiwiwiw.pdfIn PDF document text
- http://freetds.net/userfiles/file/845973000.pdfIn PDF document text
- https://cafeau1ait.xyz/js/ckfinder/userfiles/files/74447216161.pdfIn PDF document text
- https://atamergranit.com/userfiles/file/josodifowemumitolifuk.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142eb258b6f8---mawaridu.pdfIn PDF document text
- https://cambodiadriverservice.com/userfiles/file/vodebigop.pdfIn PDF document text
- https://taumed.kz/upload/2021/09files/210909170957432714glhod.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f083e311b6---jefososuzex.pdfIn PDF document text
- https://pasarantogel2.com/contents/files/mavemusakuvatut.pdfIn PDF document text
- http://www.galiantsolutions.com/emailimages/file/bebovinij.pdfIn PDF document text
- https://www.domaine-vrignaud.com/ckfinder/userfiles/files/devubomebix.pdfIn PDF document text
- http://sitoad.com/bbqjoekey/files/202109122317517419.pdfIn PDF document text
- http://coffee33.ru/archive/file/vojibodefifewan.pdfIn PDF document text
- http://startmatbaa.com/userfiles/file/boxog.pdfIn PDF document text
- https://stephankeppel.com/userfiles/file/bokugidetamonaxafu.pdfIn PDF document text
- http://gzperson.com/uploadfile/files/46185757285.pdfIn PDF document text
- http://dieutrimun.myphamkangnam.vn/webroot/img/files/37768099747.pdfIn PDF document text
- http://kimkhimientrung.com/uploads/image/files/pixop.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16139446c0802d---jaxevomuwu.pdfIn PDF document text
- https://axlthailand.com/imagexx/files/vewaroxofiwusiwifevisa.pdfIn PDF document text
- http://sportgalaktik.sk/userfiles/file/11087309101.pdfIn PDF document text
- http://www.tecnobor.com/ckfinder/userfiles/files/31379526773.pdfIn PDF document text
- http://rezidencianestor.sk/app/webroot/files/ckeditor/files/88028783006.pdfIn PDF document text
- http://fedime.org/imagenes/91985767648.pdfIn PDF document text
- http://mayepnuocmia.vn/data/ckfinder/files/mezutipixud.pdfIn PDF document text
- http://sungwoo-n.com/userfiles/file/zavazelepow.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=parallel+space+64+bit+support+litePDF link annotation
- 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_off0000cf57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF57 | 10748 bytes |
SHA-256: 41b286aa9be5523b704db3a01c9ff978c25c25dd4a20eee9147547b943be3ce0 |
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font_01_sfnt_off0000e808.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE808 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001001a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1001A | 20188 bytes |
SHA-256: fb62574848d92dfbbeb3db4dad0654b50614a4d37811ffebbe44a948672be87e |
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