MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains a link farm with numerous URLs pointing to potentially compromised websites, suggesting a phishing or malware distribution attempt. No scripts were extracted, but the presence of multiple external URIs and a link farm heuristic indicates the primary function is to redirect users to external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/9341569596.pdf In PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613333982908b---wusoboja.pdfIn PDF document text
- https://solener.info/ckfinder/userfiles/files/53499447925.pdfIn PDF document text
- http://frangarcia.eu/upload/file/58883022422.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/f1cf08cacf628808a0e793028be9ffcb/vofofuxiwa.pdfIn PDF document text
- http://dydlhx.com/upfiles/file///wixeledoninufas.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/9157123389.pdfIn PDF document text
- http://haustechnik-hagenauer.at/befuwojugivo.pdfIn PDF document text
- https://theelementrama9.com/userfiles/files/56526131015.pdfIn PDF document text
- https://portalbime.com/UploadedFiles/New/file/jaxawefofebatubowixuxa.pdfIn PDF document text
- http://uforoi.com/app/webroot/uploads/files/xajobulofozuwavibexolapap.pdfIn PDF document text
- http://elskup.pl/images/assets/file/zudosebarerimanogik.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/161377d00830bf---70684971976.pdfIn PDF document text
- http://www.wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/xomulafizuzikenomegedewuz.pdfIn PDF document text
- https://cafesca.mx/ckfinder/userfiles/files/4723776893.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/73622665363.pdfIn PDF document text
- http://ngor2-3.com/file_media/file_image/file/somuwo.pdfIn PDF document text
- https://getracemirates.com/userfiles/files/gugesuwizekinukilu.pdfIn PDF document text
- http://elsped.hu/files/file/rifajosarivavadikanilifut.pdfIn PDF document text
- https://torbay.ru/images/uploads/file/89107435708.pdfIn PDF document text
- http://asijskepotraviny.cz/files/file/46187149588.pdfIn PDF document text
- http://shopphutungmayphat.com/upload/img/files/57790371683.pdfIn PDF document text
- https://foodsafebox.com/ckfinder/userfiles/files/1019436979.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=go+to+my+android+settingsPDF 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_off0000d9c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9C7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1D9 | 18368 bytes |
SHA-256: 790062e627023c60c9206a8dad7bd0339bb85a6326d06e09f44679de8a7a044d |
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font_02_sfnt_off00012177.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12177 | 10696 bytes |
SHA-256: 167e84669015d56d9c51efeef2287f05abeb30b4765e20cf8c7c7f456d46c6b0 |
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