MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded links are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16130ce7530966---53939660027.pdf In PDF document text
- https://franchiseharbor.com/files/files/sebaniwetetatudexifapun.pdfIn PDF document text
- https://nepalihemp.com/ckfinder/userfiles/files/jegewikosovumurike.pdfIn PDF document text
- http://damnoen.com/ckfinder/pho/files/66352410115.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613897b35768a---47726881106.pdfIn PDF document text
- http://kunbot.com/upload/files/pedidarilobilasovusox.pdfIn PDF document text
- http://caythuocnam.org/images/files/25848934850.pdfIn PDF document text
- http://nkmate.com/FileData/ckfinder/files/20210904_1B26287F05875F7A.pdfIn PDF document text
- https://art4you.sk/editor_uploads/system/files/49849125336.pdfIn PDF document text
- http://anhhieu.vn/hinhanh/file/petifike.pdfIn PDF document text
- http://dywin.com/uploadfile/files/xutafuxozerifufufitupuf.pdfIn PDF document text
- http://gramercy-grand.ru/files/file/3062583728.pdfIn PDF document text
- https://rybczewice.pl/userfiles/file/7183581602.pdfIn PDF document text
- https://tanthueviet.vn/img_data/files/4334069113.pdfIn PDF document text
- http://wohingltd.com/userfiles/davusolepe.pdfIn PDF document text
- http://dmkert.hu/files/file/mumotuxuvadinusofipen.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/aa83122718ad36ec6188bba3ffa5e2ed/tupidapena.pdfIn PDF document text
- https://marblo.ph/app/webroot/img/files/gulot.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/46c65f901aff14fd71f4ef5b4f035d14/51745568287.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/8rppert1tdde0h8ruton9i76t0/sogekebe.pdfIn PDF document text
- http://lachina.cn/upload/file/bujavoxuzexizonowofi.pdfIn PDF document text
- http://esistore.com/userfiles/file/kinaxesedire.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/161457402e84bb---jekogidogegafaruf.pdfIn PDF document text
- http://skyrybupaslaugos.lt/uploads/files/84089823940.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131a9d6c47c0---watowijesewufimagonow.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=zyxel+android+appPDF 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_off0000ed82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED82 | 17232 bytes |
SHA-256: e52c82b15c5208d14024df5dbc27050c9a9c4385905e32816c7ecd712f736da0 |
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font_01_sfnt_off00011a34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A34 | 10300 bytes |
SHA-256: c3404212b49a0ceeec457b4dca3f3885ea152a608c32cc85930501b185142522 |
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font_02_sfnt_off00013178.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13178 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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