MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. The file's structure and URL patterns are consistent with a link farm designed to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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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://catamma.ru/uplcv?utm_term=chopin+waltz+piano+score PDF link annotation
- http://aydinservis.com/ckfinder/userfiles/files/godivar.pdfIn PDF document text
- http://zhfangyuan.com/uploadfiles/files/jumovojifudiwow.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a8b661709---viwemomelabe.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b9319715f---58259860526.pdfIn PDF document text
- http://www.neoneofitou.com/ckfinder/userfiles/files/xamotidatukuku.pdfIn PDF document text
- http://arunimaflavours.com/userfiles/file/jizapepupewi.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da314077403---40904516279.pdfIn PDF document text
- https://sportsslife.net/upload/ckfinder/files/57760338518.pdfIn PDF document text
- http://draftingfloorplan.com/ckfinder/userfiles/files/judowavel.pdfIn PDF document text
- http://gchsclassof1970reunion.com/clients/6/6a/6a45fbe13d63dbb0eb8070d7cb9dbc89/File/11739842975.pdfIn PDF document text
- https://lifeteacher.tw/uploads//files/202108122346207178.pdfIn PDF document text
- https://arvikabc.com/images/uploadedimages/file/dovemuvar.pdfIn PDF document text
- http://guilfordvikingsclassof81.com/clients/4/47/479b0a304b4cdce99dfe3eda73a59016/File/29850699154.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/3eaead54620e0c891fa43a2817769d5e/vuporajisadajewilixa.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/aauhrql9mm50nhbar4d5rpfblr/63655092665.pdfIn PDF document text
- http://somersetcountybar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wagujuwazuwezajitoze.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/vr16k61k4tqrf42tvfjr678fqa/63663947285.pdfIn PDF document text
- https://sunnyrosesschool.com/userfiles/file/87547321261.pdfIn PDF document text
- http://posekatzahradu.cz/files/file/93872547037.pdfIn PDF document text
- https://travelstore.tn/userfiles/file/41624214784.pdfIn PDF document text
- https://produktybhp.pl/pliki_user/File/31872601196.pdfIn PDF document text
- https://dycmc.com/DATA/upload/files/202106210943369099.pdfIn PDF document text
- http://fusheng-vietnam.vn/admin/webroot/upload/image/files/vavumopowubowez.pdfIn PDF document text
- 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_off0000e358.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE358 | 10648 bytes |
SHA-256: 772ee8977488f5c8a1bae8793c327f757d9597de4ed0b4e4102aca82b61b415a |
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font_01_sfnt_off0000fbd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBD8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000113ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113EA | 17864 bytes |
SHA-256: ae2d40ed1748cad6abfe066d5a0bfc787d287157e8741b88924dd29504118722 |
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