MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm with numerous URLs pointing to compromised CMS uploads and disposable hosting, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://nscs.org/wp-content/plugins/super-forms/uploads/php/files/32964f0d264d51b95e2bd66eea4a4be1/dutumo.pdf In PDF document text
- http://kulturazebrak.cz/userfiles/jodixi.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/161345f28f3b3b---molusudevatupusome.pdfIn PDF document text
- https://yocarbroker.com/upload/ckfinder/files/54346497991.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d5fcd4f2fd0---33717184191.pdfIn PDF document text
- https://haidangpc.com/contents/files/23814973956.pdfIn PDF document text
- http://agro-norwa.pl/userfiles/file/berikiviziwadejawivig.pdfIn PDF document text
- http://guoyangmoju.com/userfiles/files/33498019265.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/26384645252.pdfIn PDF document text
- http://arslanemlak.come/file/fofapu.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608856614a428---wunetabejedab.pdfIn PDF document text
- http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/29412810600.pdfIn PDF document text
- http://topenglish.sk/app/webroot/gallery/files/pawimomow.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/bcb0565494af015109013eed28dccc57/vorojakexudafaz.pdfIn PDF document text
- http://casier-a-bouteilles.com/file/lubajobele.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ba52db47599---dulonajoma.pdfIn PDF document text
- https://cortopolis.ar/userfiles/file/geditad.pdfIn PDF document text
- http://medica-eg.com/userfiles/file/tubizimenedelapafag.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=manual+functional+testing+interview+questionsPDF 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_off0000ca3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA3E | 17260 bytes |
SHA-256: 28f24fb5588ebbc99d6ddf8770c5b46b549a5279bddd0fcb56c662e3e4101c3e |
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font_01_sfnt_off0000f704.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF704 | 10900 bytes |
SHA-256: af8eddf687ff05da5da0d77d51b22cca926bd6f1af3ee804e39c4fc5d44726bd |
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font_02_sfnt_off00011023.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11023 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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