MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://cructi.ru/uplcv?utm_term=jogos+apk+e+data PDF link annotation
- http://rinsacars.com/files/others/lubitom.pdfIn PDF document text
- https://mpressivelabels.com.au/application/third_party/ckfinder/userfiles/files/zimidipu.pdfIn PDF document text
- http://ergakiland.ru/files/files/sopirozununupuvo.pdfIn PDF document text
- http://jmk.kr/ckfinder/userfiles/files/87445314102.pdfIn PDF document text
- http://ratchee.com/ckfinder/userfiles/files/91334980711.pdfIn PDF document text
- https://kitapkaplama.com/upload/ckfinder/files/84457933807.pdfIn PDF document text
- http://jr-bang.com/uploadfiles/20210907131825.pdfIn PDF document text
- https://www.gryf-wet.pl/ckfinder/userfiles/files/gasazozekokisabadoravokit.pdfIn PDF document text
- https://darshanam.com/ckfinder/userfiles/files/23009700457.pdfIn PDF document text
- http://yameitecl.com/ckfinder/userfiles/files/20210902_123411.pdfIn PDF document text
- https://bankubezpieczen.pl/userfiles/file/33227415753.pdfIn PDF document text
- https://binarbaidfabrication.com/public_html/userfiles/file/20197573776.pdfIn PDF document text
- http://gaziogluenerji.com/images_upload/files/32493977320.pdfIn PDF document text
- http://chukysovin.com/img-svc/files/60909134583.pdfIn PDF document text
- https://kuraniterbiye.com/resimler/files/fovuvulatozoteralive.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613491e061273---77017828571.pdfIn PDF document text
- https://ice-group.pl/userfiles/file/72111872314.pdfIn PDF document text
- http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/22064269416.pdfIn PDF document text
- https://psihodesk.ro/ckfinder/userfiles/files/wimupuka.pdfIn PDF document text
- http://hzbmsj.com/images/upload/File/9374174545.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a699878fc9---remogudegopirazutabora.pdfIn PDF document text
- http://herfon-machinery.com/images/ckfinder/files/20210910123241.pdfIn PDF document text
- https://natatourism.com/userfiles/files/mewejezarufuguwozugosu.pdfIn PDF document text
- http://studiopol.it/userfiles/files/86812437782.pdfIn PDF document text
- https://sunnyrosesschool.com/userfiles/file/tixin.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161398780b3cfc---gopemelufedufetinobete.pdfIn PDF document text
- https://aspirans.com/files/file/45800804338.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_off0000d3b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ebc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBC3 | 17776 bytes |
SHA-256: 7731065375f3eee2e704dce3636305e262b8adbb99bbc5f974c8a89e215b5ba9 |
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font_02_sfnt_off00011a38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A38 | 10308 bytes |
SHA-256: 5c9a880d7e8d5f094f314acd4d54b8138fc1c7a2da7ae945f00b37fae8aa16ee |
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