MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a link farm or phishing lure. The presence of 'utm_term' parameters in some URLs indicates tracking for marketing or malicious campaigns. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://philabc.ru/uplcv?utm_term=vpn+mod+apk+download+for+android PDF link annotation
- http://nordicwalkingturak.hu/_user/file/ponawomupizuxu.pdfIn PDF document text
- http://idealthailand.com/file_media/file_image/file/97953033588.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161437c260d4f2---napiduselurewelonopixune.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6f2e4f382---jadosav.pdfIn PDF document text
- http://dcbestwings.com/uploads/files/zusisorofawapedemabo.pdfIn PDF document text
- https://loffoxfitness.mvwebsolution.com/userfiles/files/garovezawevosejewerojojok.pdfIn PDF document text
- http://myconnect-thailand.com/image/upload/File/66236052372.pdfIn PDF document text
- http://metallpress.info/files/xelejoninaziberetuwevu.pdfIn PDF document text
- https://adium.ru/userfiles/file/266827274.pdfIn PDF document text
- http://globalbando.com/DATA/upload/files/202109060452177212.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aba34da56e---60369494630.pdfIn PDF document text
- http://dxczx.com/ckfinder/userfiles/files/20210916_125314.pdfIn PDF document text
- http://mexvp.com/ckfinder/userfiles/files/nonakepelufakovudonutokad.pdfIn PDF document text
- https://resortweeks.pro/userfiles/file/314166823.pdfIn PDF document text
- http://szpk.hu/_user/file/pinakeken.pdfIn PDF document text
- http://nano-vip.com/ckfinder/userfiles/files/nilenag.pdfIn PDF document text
- http://tweddlefoto.com/files_contenidos/upload/files/49537215009.pdfIn PDF document text
- http://zhatuogz.com/uploadfile/file/4565040871.pdfIn PDF document text
- http://zeshengtecphar.com/UploadFiles/FCKeditor/20210903182733.pdfIn PDF document text
- http://kayapalinakliyat.net/file/noterenasubowi.pdfIn PDF document text
- http://www.offshoreyachts.net/web_upload/editor/files/8705954676.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_off0000ba70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA70 | 17336 bytes |
SHA-256: ceb1b1af85ba5e038096fab4471bdab59512ebffba94da73bf0221ecd0c8b775 |
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font_01_sfnt_off0000e7cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ffe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE2 | 10408 bytes |
SHA-256: d1db5f73a367e11bcf6d094d985e52e3885c2ef9cbad4778ea677e0c645d105c |
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