MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of external URIs and compromised CMS upload links indicates a pattern of directing users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://coretry.ru/uplcv?utm_term=things+to+do+in+seward
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa9dde569d---51361340769.pdf
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3f56a33ff2---7310049043.pdf
- https://agrilaui.com/userfiles/file/26175479251.pdf
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a75b1c4e4e6---mimabufawazamixivuwaval.pdf
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609616e30cc6b---sekidawilumep.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/vhf1hg9i9pj73aaia8nb4975p4/momitukinedo.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/16079fbdb522be---savifuxozepitadox.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6bd05ef8f1---lilevizolenizomuv.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16076e140e6399---49048645581.pdf
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6935bca210---mejadexizo.pdf
- http://www.ecostroyservis.ru/File/33637892868.pdf
- https://brickbodysupplements.com/newerac2c/userfiles/file/lapevu.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba0ccef21e---76472551683.pdf
- https://mangonebike.com/uploads/file/liwuzunijo.pdf
- http://radissonhoteltraining.com/userfiles/file/10549600770.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095f00cb01df---zugorirebemusokufanu.pdf
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/kiili91uenisjqp729i33vaece/63872450549.pdf
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/qioblcm9fvk8oti81l0lnvclh7/31671181952.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f527066d8---kitakuludavijelor.pdf
- http://phillipsbrothersmill.com/clients/6/65/65192871cce8a6e36080a9ebd2808b02/File/xeneselatofaropafofuv.pdf
- http://flyingcarpetclementines.com/userfiles/files/12836297322.pdf
- https://ceral.pl/ceral/pliki/file/46210633507.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000111e2.bin6529d2fa5e8cf80df905279d619883009dc75a8f78fb9268a2d8c39e39c509e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E2 | 17268 bytes |
font_01_sfnt_off00013f34.bin2b8dba3cca7b7008e620e9130a084188f6eccc0138541026253ff252d88990cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F34 | 10528 bytes |
font_02_sfnt_off00015702.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15702 | 16792 bytes |
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