MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure victims to malicious websites, potentially for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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 http://studiolegalezullo.eu/userfiles/files/vufojasera.pdf In PDF document text
- http://animationcoach.com/userfiles/file/vorovuvuxirileno.pdfIn PDF document text
- http://kiiga.ru/userfiles/file/fokimoturatus.pdfIn PDF document text
- http://bhk-aindling.com/userfiles/files/defusuxujijoso.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/ed382026a8ffdcc9caaf12cabcab01c1/pufazabumux.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/ua9sa0p8gh9hp4b7hgegd3rqcu/donosani.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4e4736d0ac---20854269409.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/79534936378.pdfIn PDF document text
- https://digireg.cz/upload/fuwobuj.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/s7n2ng8c99uufescquq45a8591/75555125284.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/qsde7nqhr98f8f4fl5ig68iljj/matuvupoxonug.pdfIn PDF document text
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/sbob47lo2lc9qtpdcarlfd5gk7/medufapifuwukidevujij.pdfIn PDF document text
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/9a3ab4ddfd3c8b326e7f8110ad2ca756/60943092480.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160dfdb7523594---raxubomopimibilafuviripit.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/460255b5ed5167a3fa383d226a65bf8c/girarolabuzixobumepopoke.pdfIn PDF document text
- http://hyunbulsa.org/~ewedd2/userfiles/file/fewetojurulajazodivaneniv.pdfIn PDF document text
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/cac3f726ed19c5243c2e370e2c35e050/voxivazo.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/49114292533.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/momasovejo.pdfIn PDF document text
- http://americansemitruckparts.com/d/files/84201402354.pdfIn PDF document text
- http://guojingmall.com/userfiles/file///fupovalexufudojizunukelix.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/9ac77f965f83a53ba828e43598c7bffc/xitigovopela.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/48fd40445c986f6754415d7ed37ed49c/lesujesegivosew.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b88211c38bb---satuketevuvuduboxitejos.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=dragon+ball+legends+spacePDF 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_off00010749.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10749 | 18920 bytes |
SHA-256: b2240a37a28ae824a1d1ba2ad240e9704a55fdd258b4e1cd7fb9394f28f82c43 |
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font_01_sfnt_off000137f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001500e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1500E | 10640 bytes |
SHA-256: d3e0235e5d93d531b49b55b31fb02ce80d196d9e8daa063500e7c86e466343a9 |
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