MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, with several pointing to compromised WordPress upload directories, indicating a phishing or malicious redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, lacking human-readable content that would indicate a specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://amursvoidom.ru/media/files/risubapagi.pdf In PDF document text
- https://alkathirilaw.com/userfiles/files/jizib.pdfIn PDF document text
- https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/24437f3bf70cba153dc59097cb9e201c/kerarivobaxepep.pdfIn PDF document text
- http://sieuthikhoacaocap.vn/upload/files/pobavutobovumu.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b949094ad---27635045359.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/28374078928.pdfIn PDF document text
- https://manuscripthandler.com/userfiles/file/64946361398.pdfIn PDF document text
- http://reversetheclocknow.com/ckfinder/userfiles/files/88829187963.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/40eafb950114db0804a85c51774fbc3a/vuvotife.pdfIn PDF document text
- https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609ffebd6a56f---faxiterutanedak.pdfIn PDF document text
- http://bennyhigh73.com/clients/3/33/33ce00c6a031cf3b17a3dcf69aaa7594/File/19776285135.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16100dec6e60eb---59507626844.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a96241df188---bavozeku.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/0dc1298265e368977aaf15b5e5fa6436/71347415626.pdfIn PDF document text
- https://ewt.cz/res/file/guwuneruxexepoz.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/luzeboxoxarotigivimeguw.pdfIn PDF document text
- http://jubangh.com/Upload/FckUpload/20210901file///39281214816.pdfIn PDF document text
- https://nedimgame.com/calisma2/files/uploads/mosetuxuk.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/vhhqu7a4in2524goutc4dvmppp/xiluzimewibezotesot.pdfIn PDF document text
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/06095d2a52f4195e3903b25af20f022f/73250530174.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/6da45a11c4f78e28c141ea7a1c964315/42192174132.pdfIn PDF document text
- https://rzfmuhasebe.com/userfiles/file/wobukumas.pdfIn PDF document text
- https://bikeid.net/ckfinder/userfiles/files/70725269491.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/83ed70cde9f255771010f60517edea19/35778465332.pdfIn PDF document text
- https://agrimal.pl/userfiles/file/699918446.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=basic+electronics+interview+questions+pdfPDF 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_off0001012d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1012D | 18544 bytes |
SHA-256: eff9a120ed05c2842e5d3fe5a27df7bda72f2ec05cd7385f19d4c5bfb8dd79c5 |
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font_01_sfnt_off00013174.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13174 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001498b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1498B | 11064 bytes |
SHA-256: e86bc5d5853dc90161a2bd2fad812db982eb55267f6806682f87b719b1534c0b |
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