MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to compromised WordPress upload directories, likely intended to host a password-protected archive. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document itself likely provides instructions to decrypt a payload, a common tactic to bypass gateway scanning. No scripts were extracted, but the presence of external URIs and the overall structure suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d63a7fa233d---fimibizad.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/5a201fcdad45dc0f48a75a66f4d0222b/49535220106.pdf
- http://gwhs79.com/clients/867100/File/tirepiliduzedifovojigav.pdf
- https://nhachoxebus.com/upload/fck/file/joxivamavufidaxikiw.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/k8bi007mmgpuhg2b8m70c09br2/92603231027.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/ce6c4084a7212a85da33cbf63cc4bd64/lobakadejosumubofe.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/d93c245ed17c72de1528e522b34a6ca0/18455802752.pdf
- https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/84275288156.pdf
- https://i-chat.tw/js/ckfinder/userfiles/files/lupimebawasomezabu.pdf
- http://dokumsuzgec.com/userfiles/files/julotemegeradafaj.pdf
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/cutr4ppnn4v02e96sgab4se4dq/98316970697.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b479221f696---zenalod.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/18550467d7c564632b561214aab078e7/fezizut.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098adf21b40b---dorutufarolope.pdf
- https://tepihtrava.rs//files/kawuroxewas.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fa5865e2f---17090662615.pdf
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/87ccdddbd28b2db0f6e73da1873a40c3/9311011097.pdf
- http://optikametuje.cz/userfiles/file/5740676191.pdf
- http://polyalpan.hu/_user/file/11809454048.pdf
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/4801a019972b1d2c62a859ac3502fe17/vavezuketifibijejo.pdf
- http://residenzaeden-albisola.com/userfiles/files/64830308169.pdf
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/94cfc83f5e06424e59e002f6f2c3a3e4/16046725585.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/3a10cb7a471ceb4017e66e7aafeaf866/25006649985.pdf
- http://vincentpopetutoring.com/clients/d/dd/dd6b7bcf94cac99d3bed97cf8166637b/File/18950293635.pdf
- http://tostonet.cl/ckfinder/userfiles/files/91757565536.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=actividades+de+lectura+para+segundo+grado+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_off0000faa1.bin563884f48930698cb0872e6fa3e10adad4e7bdab601f63de6423b4d20330f7cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAA1 | 10940 bytes |
font_01_sfnt_off000113e7.bine388d1d81db6fa8b9b648e95b351608177746d8d7d83182b1df32412893cb8c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113E7 | 17872 bytes |
font_02_sfnt_off000141cf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141CF | 16792 bytes |
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