MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which host other PDF files. This behavior is indicative of a link farm designed to distribute malware or phish for credentials. The ClamAV detection and ML classifier further support the malicious nature of the file, suggesting it is a phishing or trojan distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://royal-pizza.eu/files/file/45412370979.pdf In PDF document text
- http://tomaszfilipczak.pl/userfiles/file/mudomodetuvelede.pdfIn PDF document text
- https://anzhero-sudzhensk.verlauf-ekb.ru/admin/ckfinder/userfiles/files/67280529849.pdfIn PDF document text
- http://bon-mar.com/fck_user_files/file/takitojonulu.pdfIn PDF document text
- http://musicandyouapp.com/webupload/editorimg/files/42051457301.pdfIn PDF document text
- http://biswasi.com/userfiles/files/65446389576.pdfIn PDF document text
- http://kunmobile.vn/files/uploaded/20210904/file/25280235030.pdfIn PDF document text
- http://sandsflooring.co.uk/ckfinder/userfiles/files/44332443861.pdfIn PDF document text
- http://gurolmumcu.com/userfiles/file/15254672507.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b46309344a---63502938807.pdfIn PDF document text
- http://ibshop.gr/uploads/_uploads/files/36115648221.pdfIn PDF document text
- http://idevicesplus.nl/app/webroot/files/userfiles/files/29055309026.pdfIn PDF document text
- http://clubselectionvoyages.net/images/file/rafonewuzumigupuzidomig.pdfIn PDF document text
- http://meetburgerusa.com/uploads/files/90330561759.pdfIn PDF document text
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/86463654400.pdfIn PDF document text
- https://sankaibearing.com/userfiles/files/vipewegadikokixo.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3a2d8eea8---miwugutuler.pdfIn PDF document text
- https://nvsrolko.org/ckfinder/userfiles/files/77707842215.pdfIn PDF document text
- https://prtl.pl/userfiles/file/78246769262.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613de8a57ad26---virogosinelire.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/6511028afa4e77b7884961a056842d47/zatamuk.pdfIn PDF document text
- http://chiangmai-clean.com/user_img/files/71991434965.pdfIn PDF document text
- http://proleague.dk/userfiles/file/pirapujejedome.pdfIn PDF document text
- https://www.icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/wumufuzo.pdfIn PDF document text
- http://leylasuren.com/images/userfiles/imagefile/71278676661.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=bluestack+android+emulator+offline+installerPDF 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_off0000bde1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDE1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d5f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5F3 | 17316 bytes |
SHA-256: cdf7935037c28e67756c9a17dc83ce6329879e0eaadce1400c3d65a0e114ab94 |
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font_02_sfnt_off00010292.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10292 | 10884 bytes |
SHA-256: 9cca22ad78e48f6fcabfb486418ba8df3e88595ad09253375a2e5a532884f45e |
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