MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. Multiple heuristics indicate the PDF contains numerous external URIs, many pointing to compromised CMS upload directories, suggesting an attempt to obscure the true destination or leverage legitimate-looking infrastructure. The presence of 'utm_term_redirector=True' further supports the idea that these links are part of a redirection scheme.
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://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f90ee74fd12---rogivilemununepexoxosokap.pdf In PDF document text
- https://phoenixturkey.com/upload/ckfinder/files/36295535298.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/femukunebotoza.pdfIn PDF document text
- https://elitstroycraft.ru/source/file/50983229270.pdfIn PDF document text
- https://finatwork.com/userfiles/file/wolotugavebiselunit.pdfIn PDF document text
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/f91a80122e87f37a6147bf064fe4964e/lanitufojazes.pdfIn PDF document text
- http://hasyo.net/files/file/sodekosonudo.pdfIn PDF document text
- https://daiichigroup.net/uploads/news_file/riwogo.pdfIn PDF document text
- https://groupekheidri.com/ckfinder/userfiles/files/87277945799.pdfIn PDF document text
- http://www.como-grup.ro/fisiere/file/rapedejoromobe.pdfIn PDF document text
- http://lukinserv.hu/file/99666180026.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd7c74ebb7---28314515628.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c1fb6b98ca6---barasuri.pdfIn PDF document text
- https://digireg.pl/upload/18006031448.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/zaxoweparerawidireduwoxa.pdfIn PDF document text
- https://wsbtitan.com/images/file/29158279103.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/mcd89304iifisqm8abosa0cufo/buzikutefowunijaritir.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/165faa94feb90e9be2de4f2e8f8809c4/gabidogorer.pdfIn PDF document text
- http://globalsublimation.net/uploadfile/files/27488074147.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/3735b02b0f389f6220f881a670179ffe/gajepatarojokiw.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/qr9j40it5su143tuilkeagasi0/zemonikavitolaviv.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/9799114cf8e9b1b775c590e6d9c998a5/magamasubalakejab.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078b08cac773---jukirunanibetuwo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=apprendre+actionscript+3+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_off0000e4d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fcea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCEA | 10720 bytes |
SHA-256: 1940a77aba503504b8d4fe6261f396628ff58834e6f27613499da87fdc769061 |
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font_02_sfnt_off000115b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115B4 | 17352 bytes |
SHA-256: 98cfcc3422a2de53755d1af05c502c14116707b2f1917c57318b0d24c792c9c5 |
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