MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites, likely intended to trick users into downloading a malicious payload. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the structure and URL findings suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608adaba33f1d---99420142265.pdf
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/860i1uhp6gbpi954hqohkdsjk9/98810388786.pdf
- https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/07fa309500ebee0e61356e1fece596bd/24761955380.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/01818f5597a8521d0830b18d6d3cd422/75518007890.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb35f9cbd4---27344002701.pdf
- http://recrute.fr/files/files/23372798478.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b6d7b5c066e---sonatudiparonafome.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607483eb50be2---71388792299.pdf
- http://rudolphalexander.com/uploads/files/27247555890.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb7fc47d17---gakanujevodokuvi.pdf
- http://bertrandetgastineaudesigners.com/userfiles/file/metanumarevarapeleditopu.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c01a31a22f1---33660551029.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16073ccea03f98---zunik.pdf
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160851382acaf7---78605315275.pdf
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/f4f1ca6a7629b88df70bc422ad237403/2493961101.pdf
- http://creptiles.dk/userfiles/file/46493998355.pdf
- http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c56330d6ac---34742931017.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16078149aecb5b---51562257253.pdf
- https://kasihpaham.com/contents//files/87629196751.pdf
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/4bdd85210d3863c45c0f234426e01229/12423101922.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/hu7ucanenrqfi40efqgtvjtel7/jezogil.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/hlveomb8fng0qj9rn06f2atcet/35202862083.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=medical+power+of+attorney+in+spanish
- http://e1pl2.nazwa.pl/busy/fotki/file/fuwulufewuvowotunelax.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_off0000ccbf.bin83dd77fb9c595ed2595a7a4d446ce82b0bd00625ae6affb2ec75173ce5540f7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCBF | 10908 bytes |
font_01_sfnt_off0000e5f8.binf3e1bdddeaaad5bfb99b9733a71c3dfd3401fd6b67cb8121ac8087502e1990d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5F8 | 17644 bytes |
font_02_sfnt_off000113b4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113B4 | 16792 bytes |
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