MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, indicating a link farm designed to redirect users. The presence of external URIs and link farms suggests an attempt to lead the user to a malicious site, likely for phishing or further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://blackhorsesc.pl/userfiles/file/wevexubajawuwikor.pdf In PDF document text
- https://www.groupe-coelho.fr/ckfinder/userfiles/files/82577929965.pdfIn PDF document text
- http://cuacuongiare.vn/upload/files/bowojagerife.pdfIn PDF document text
- https://aeternoplanning.com/ckfinder/userfiles/files/69460737541.pdfIn PDF document text
- http://ilovehikari.com/uploads/files/28043135650.pdfIn PDF document text
- http://eyela.kr/uploadfile/fckeditor/file/18219331537.pdfIn PDF document text
- https://i-try.tw/upfile/files/2021/09/04/witaxibexobed.pdfIn PDF document text
- http://thebankcardservices.com/uploads/files/58921307298.pdfIn PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/genudafatenevol.pdfIn PDF document text
- http://redondoclassicburger.com/uploads/files/xifosorawuj.pdfIn PDF document text
- http://tongshengchem.com/ckfinder/userfiles/files/29804400490.pdfIn PDF document text
- http://menifee.hanasushichoice.com/uploads/files/xuzogipoluzamatezimobidef.pdfIn PDF document text
- https://nurdagihaber.com/resimler/files/dufagize.pdfIn PDF document text
- http://hftyby.com/upload_fck/file/2021-9-11/20210911035755635052.pdfIn PDF document text
- https://xenang-mitsubishi.com/fckupload/file/22667822961.pdfIn PDF document text
- http://www.gieskestukadoors.nl/ckfinder/files/files/86944844954.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/161337c53d38cb---jinezagapunato.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161419de5261ee---sakatowovupuzo.pdfIn PDF document text
- http://travellerisland.com/files/44583735397.pdfIn PDF document text
- http://maivietnamesecotati.com/uploads/files/mukulotivomivevidivenixed.pdfIn PDF document text
- https://egokituz.org/files/galeria/files/24082911706.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/79580b6710f0a3d7fbe7460a4845844e/fitoxewuzowazodo.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb50515c21---44756508950.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=ocean+king+3+hack+apkPDF 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_off0000bd76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD76 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d588.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD588 | 20336 bytes |
SHA-256: 1c309692766423d4dff9f8c046fe60b7a2603944d63cc31a1d41907053141086 |
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font_02_sfnt_off00010aa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AA4 | 10408 bytes |
SHA-256: 1e8ec4714f7ff46fb0b00c7faf3610dcd2bdd2a9cb788653ad2c1cac624be8b5 |
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