MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised WordPress sites and disposable domains, indicative of a link farm used for phishing or malware distribution. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or delivering a secondary payload. No scripts were extracted, but the structure and URL patterns are common for malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://wastran.ru/uplcv?utm_term=phases+of+the+moon+worksheet+pdf PDF link annotation
- https://damsindia.org/admin/uploads/file/3770156569.pdfIn PDF document text
- http://vervesimuhub.com/userfiles/file/95901204359.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613772bc25c82---gafimikaturabakozitaxog.pdfIn PDF document text
- https://bio-obst-und-gemuese.de/userfiles/file/76911087067.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///mixeratonow.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/161522191c5f5b---xorimedunaxabopu.pdfIn PDF document text
- http://beverly.kopanramen.com/uploads/files/74636939450.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1614c72ededacd---11291798187.pdfIn PDF document text
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/c62865256f719e04d0783b607e1820a7/ximalo.pdfIn PDF document text
- https://vokalensemble-vocembalo.ch/userfiles/file/95604837817.pdfIn PDF document text
- http://flapboxes.custompackageboxes.com/userfiles/files/36832933185.pdfIn PDF document text
- http://hemeringen.de/ckeditor_ablage/userfiles/files/11024602309.pdfIn PDF document text
- https://pt2-turbo-j3t.com/contents/files/45804485326.pdfIn PDF document text
- https://auditorescr.com/ckfinder/userfiles/files/jikokozipelabimasabas.pdfIn PDF document text
- http://1544-7419.net/upload/fckeditor/file/ximegukefiz.pdfIn PDF document text
- http://urbanelect.com/userfiles/file/25370591126.pdfIn PDF document text
- http://ajarnveerapong.com/UserFiles/file/wadofizaz.pdfIn PDF document text
- http://karcannakliyat.com/userfiles/file/91334067785.pdfIn PDF document text
- http://bbfrontedelmare.com/userfiles/files/bodixumijapopor.pdfIn PDF document text
- http://chanakyaaerospacedefence.com/userfiles/file/58508802498.pdfIn PDF document text
- http://railwaysrailroads.com/upload_files/files/61689469699.pdfIn PDF document text
- https://isigakizima.net/img/tmp/file/dikagigo.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615453297f879---biwirenaja.pdfIn PDF document text
- http://yansyuan.com/UserFiles/images/files/45112396856.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_off0000e7bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ffcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFCD | 20808 bytes |
SHA-256: 031949e316a9dc3fce7198efb7cc2d8b65c823ad0f9d25bbb9762f60118b09dc |
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font_02_sfnt_off000135f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135F6 | 10804 bytes |
SHA-256: 50c55bb314499a81c32fd29bf82c42f945d07092349187c8cc9bc40eb3b406ee |
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