MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution lure. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate a likely attempt to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://pistant.ru/uplcv?utm_term=feather+template+worksheet PDF link annotation
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/161254300305b7---likuxokumezewurinewujag.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/lerizuzadajakufito.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/cv88cra05i04blcjalgbtms6o6/43248790132.pdfIn PDF document text
- http://boathousebrokerage.com/userfiles/file/38827494629.pdfIn PDF document text
- http://yourhealthyanswer.com/ckfinder/userfiles/files/faxosevinejinow.pdfIn PDF document text
- https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/57d342e1c94de8acc70aef2d6380850d/80554707093.pdfIn PDF document text
- http://bortran.com/upload/image/file/20210520073318.pdfIn PDF document text
- http://r2doodles.com/clients/4/4a/4a4ed909dcef54c1e3ec6a0ce1d29f2d/File/74522134354.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/2e499a22526c34c707b31e5a35096adb/41716823813.pdfIn PDF document text
- https://www.lipca.com/ckfinder/userfiles/files/59686279368.pdfIn PDF document text
- http://chokmanee.com/userfiles/file/72783349777.pdfIn PDF document text
- http://gramercygrand.ru/files/file/peloriwasabawa.pdfIn PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/rimawaronorab.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2af963cf7---80252033528.pdfIn PDF document text
- http://ahkjt.com/upfile/file/navujisotubi.pdfIn PDF document text
- http://anbao.vn/uploads/userfiles/file/xajar.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16071216e636c1---pinef.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071cd86ade68---42553056180.pdfIn PDF document text
- http://nextgt.eu/uploads/file/jolomemakazo.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/04a4327d17297a10c8b48f2793d39477/xajutanitobaliwoniw.pdfIn PDF document text
- http://yanartextil.com/firma/files/65380094544.pdfIn PDF document text
- https://kaptenhoki.net/contents//files/niwevemebuko.pdfIn PDF document text
- https://vialivonica.eu/userfiles/files/xanolaxegusutekiz.pdfIn PDF document text
- http://oroszvilag.hu/userfiles/file/wevuxutojelit.pdfIn PDF document text
- http://kgmda.com/upload/files/xekivawekobizaf.pdfIn PDF document text
- https://bostoncake888.com/UserFiles/files/gagozelovesela.pdfIn PDF document text
- http://posekatzahradu.cz/files/file/mides.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_off0000b9f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9F4 | 10476 bytes |
SHA-256: 721503977e7bc096953208055546120bde5eb927849009c1f55f614b163ab311 |
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font_01_sfnt_off0000d1d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1D9 | 16384 bytes |
SHA-256: 7289051fc4bc129ae6a2bda9b58fe052a1f9c5f2bcdd4fe09c0e7df0568e41f1 |
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font_02_sfnt_off0000fb71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB71 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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