MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to compromised CMS upload directories, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.8538
Heuristics 5
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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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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://cfi-registration.org/buzzboxgift/img/userfiles/files/48052998503.pdf In PDF document text
- https://peisheng.org/uploads/ckfiles/files/614307c80aad3.pdfIn PDF document text
- https://dpengineerindia.com/admin/userfiles/file/guxetub.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/nur7p978cptnq2bt5uhbkbprtl/benetagasikimixaxativatut.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161427d2d1dd0c---turaxoramipejolopawitiku.pdfIn PDF document text
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/a5967fd51af9f38e25bb05844bc4dc85/litiwavilamozevarugisi.pdfIn PDF document text
- http://ricoconsultingattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/53066310107.pdfIn PDF document text
- http://yameitecl.com/ckfinder/userfiles/files/20210904_031048.pdfIn PDF document text
- https://pisangmanis.com/contents/files/jibavokudigezenenim.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613589975b5d7---13117114361.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/161430d6327dd8---wirofonesit.pdfIn PDF document text
- http://bolt.fo/public_html/userfiles/files/tuvolirubononujokibuni.pdfIn PDF document text
- https://supremeroi.com/FCKeditor/file/75925738352.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/161418d3d31d7c---87727732407.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613446952348a---webene.pdfIn PDF document text
- https://worldtradezone.com/userfiles/file/33276044062.pdfIn PDF document text
- https://tiemhoamo.com/data/dulieu/files/37364738083.pdfIn PDF document text
- https://penmypoem.com/new/admin/uploadfiles/file/85559019375.pdfIn PDF document text
- https://nacionalequipamentos.com/ckeditor/uploads/files/6154460524.pdfIn PDF document text
- http://bezpiecznamlodosc.org/files/file/69829097400.pdfIn PDF document text
- http://avesta-hmora.boj.se/uploads/userfiles/files/3678803580.pdfIn PDF document text
- https://gikguamerica.com/userfiles/file/10887280264.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/52b05fb066f2020e2850cf508b9175e2/48158294919.pdfIn PDF document text
- http://numere-mopede.ro/mm/file/gukob.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142e8a9db7d7---wunafuvunude.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=steins+gate+manga+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ccae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCAE | 10652 bytes |
SHA-256: c9f174115cd8909edee80bdef4c4e83e805a5889406edf6da2f6434b44cf15b8 |
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font_01_sfnt_off0000e4cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CD | 21944 bytes |
SHA-256: 0ee41558ab411b849fe5dccdfb0f5fbe2d03d2f78dc09170e17df69d026770c9 |
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