MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that form a link farm, with some pointing to compromised WordPress sites. The primary function appears to be redirecting users to external sites, likely for credential harvesting or further malware delivery.
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://oncallanatomist.org/ckfinder/userfiles/files/76427785268.pdf In PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/7e297c44ootdk0c68vrr9rj2s9/57859275544.pdfIn PDF document text
- http://erdemlerkoleji.com/resimler/files/tezegupigavefopas.pdfIn PDF document text
- http://intertribo.sk/files/fozisilejukipawexikenuz.pdfIn PDF document text
- https://aprenda-atdi.com/uploads/files/fadixamukabuloba.pdfIn PDF document text
- http://chizclean.ru/files/fck/file/88275042200.pdfIn PDF document text
- http://sbstroy53.ru/img/files/jutejawazivo.pdfIn PDF document text
- http://waypl.pl/upload/File/13722435377.pdfIn PDF document text
- https://interativacorretora.com/fotosempresa/files/webeganoliw.pdfIn PDF document text
- http://acpiindia.com/userfiles/file/waxujitafisanigopiro.pdfIn PDF document text
- http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/18796161056.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16152656e67161---nituwumutapamojadugurokiz.pdfIn PDF document text
- http://tksvolga.ru/userfiles/file/javiwokewirusifo.pdfIn PDF document text
- http://retrievers.su/ckfinder/userfiles/files/30771586448.pdfIn PDF document text
- https://grupo-kayros.com/userfiles/file/41877967042.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/7a721d10fc05b406a2cf5307c1594fd8/26487877439.pdfIn PDF document text
- http://dongduong.net/Images_upload/files/wuxorakeras.pdfIn PDF document text
- https://dalycity.com/wysiwygfiles/file/zizofamiwupam.pdfIn PDF document text
- http://thsport.dk/userfiles/file/58302890045.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16140255d17abd---27036619269.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=real+boxing+2+rocky+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_off0000aeb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEB1 | 15856 bytes |
SHA-256: d3859e3de78066f0afd09bb26d566de28d6fb682378ae40741608a5d3285ece9 |
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font_01_sfnt_off0000d6e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ef00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF00 | 10896 bytes |
SHA-256: c05b8605f700d72d14c7a257fcfcb112ede9639d4f5cc6524bc1e2007e92b627 |
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