MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and a link farm pointing to various domains, many of which are hosted on disposable infrastructure or compromised CMS uploads. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to evade initial gateway scanning. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/e4b2668b7829dcd8f784b5a3e55fc66a/wirazozewedim.pdf In PDF document text
- https://vestol.bg/files/file/potokatad.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/967105464b8ea48746be3900a31718d3/luwowudikulexak.pdfIn PDF document text
- http://xinyaoqiye.com/upload_fck/file/2021-6-21/20210621171819280118.pdfIn PDF document text
- http://healhumanity.foundation/userfiles/file/10666566659.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/791cca939e2c63a271c7793c5c4dbcad/sijujibivotar.pdfIn PDF document text
- http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/94441105716.pdfIn PDF document text
- http://kingsauto-bar.com/js/upload/files/tomekojuzijujedafuge.pdfIn PDF document text
- http://myflora888.com/ck_files/files/losilorixiwa.pdfIn PDF document text
- http://hotelstrack.com/bot/ckfinder/uf/files/zugagadafivebijamelemimu.pdfIn PDF document text
- http://wirtrauenuns.ch/images/file/rakotixugesijawaf.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/6fvcc1r1c3u6epmc6d0nakdodv/fuxivalabufimofara.pdfIn PDF document text
- http://dijladentalcenter-qa.com/userfiles/file/wafukelavizog.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/627a89b1641d3a8a6bc350eacb825fc2/toxikigorovenixagabuku.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/t4fbrmjsu107gadi7998kk6bn0/81874327932.pdfIn PDF document text
- https://led7.ru/file/powutepikil.pdfIn PDF document text
- https://www.pollackmihalyiskola.hu/ckfinder/userfiles/files/42517327490.pdfIn PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/pibuwudirebagubobeti.pdfIn PDF document text
- http://ct-tci.com/cttax/userfiles/files/simagatemajogufowamu.pdfIn PDF document text
- http://bodymindspiritconnection.org/clients/5/53/53f1eac0d8ee32431a47b4e1af774f29/File/19966753830.pdfIn PDF document text
- http://toptoptraining.ru/img/upload/file/xejurajoguxumuselomagema.pdfIn PDF document text
- http://scbczy.cn/up_files/file/20210720_041242.pdfIn PDF document text
- http://ingpoggi.eu/userfiles/files/38453785614.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/e6825c112e517ab9b2fdb7fd01a84c2d/zalezaxobare.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=dichiarazione+sostitutiva+atto+di+notoriet%C3%A0+successione+legittima+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_off0000db14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB14 | 18248 bytes |
SHA-256: ada0606404f178a7231194623ace55e382d4d8dc25164a6546437b66ead27337 |
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font_01_sfnt_off00010a45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A45 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001225c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1225C | 11476 bytes |
SHA-256: a11fc3eb2c782a4873f46b709e61fa7d99b50e2f7a17097079ee2a0ff7b610c3 |
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