MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://crysiq.ru/uplcv?utm_term=base+10+block+activities PDF link annotation
- http://www.civilhospitalpalampur.in/img/uploads/files/67511811877.pdfIn PDF document text
- http://farmaciacogliate.it/userfiles/files/21420140493.pdfIn PDF document text
- https://xuanhongkhang.com/upload/files/84698218538.pdfIn PDF document text
- http://galaxyjewel.cn/uploadfile/files/mokigupugimitobaladas.pdfIn PDF document text
- http://cherriestattoo.com/ckfinder/userfiles/files/parikinofuvosifojebasun.pdfIn PDF document text
- https://xn--z4qq44i.xn--kpry57d/upload/actfiles/nesatebimi.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/8eb15a68b63bb666350a718eb96d094f/sonanitobivisejanabaxep.pdfIn PDF document text
- http://dalieuht.com/app/webroot/uploads/files/solowag.pdfIn PDF document text
- https://nistd.in/userfiles/file/dutuvekasadije.pdfIn PDF document text
- http://ansonseatery.com/uploads/files/fajurilesa.pdfIn PDF document text
- http://giayviettri.com/img-ftec/files/85445648394.pdfIn PDF document text
- https://grdr.org/paidel/ckfinder/userfiles/files/zifezoburoluxopi.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161363e5ce8cb9---wixovijebabatobutesevuxu.pdfIn PDF document text
- https://lacgl.org/upload/editor/file/12532935817.pdfIn PDF document text
- https://zebcom.in/userfiles/file/51902892391.pdfIn PDF document text
- http://gelinyuanyi.com/upload_fck/file/2021-9-4/20210904024311292119.pdfIn PDF document text
- http://neurooperations.com/ckfinder/userfiles/files/98890781271.pdfIn PDF document text
- http://briztravel.com/upload/files/19650433512.pdfIn PDF document text
- https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/palibeputufebema.pdfIn PDF document text
- https://intrigantka.ru/images/userfiles/file/31030352194.pdfIn PDF document text
- http://cngwalk.com/fckeditor/userfiles/image/kefoxusosedax.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16137d174a1f7e---53275478401.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_off0000d72f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD72F | 10544 bytes |
SHA-256: 5a19b0e3c6546271afef2a7acdfc6c68b0dbb2a21c91667b3341761af8c1e72a |
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font_01_sfnt_off0000ef78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF78 | 16880 bytes |
SHA-256: 15b9817d62532fcd5db10dffa6838e820ae7e15b2069b2ab6240befcb1733dd5 |
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font_02_sfnt_off00011aed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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