MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to disposable hosting sites, many of which are identified as link farms. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to download a password-protected archive, a common tactic to evade gateway scanning. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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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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://land89.com/ckupload/files/24014155967.pdf In PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b6575e8202---71508331642.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f326abc458---ruruvozudib.pdfIn PDF document text
- https://dejavuruse.com/userfiles/file/kipoxinu.pdfIn PDF document text
- http://hotdeals24x7.com/ci/userfiles/files/18778512934.pdfIn PDF document text
- http://ankaser.com/userfiles/file/dorupavakadewu.pdfIn PDF document text
- http://china-engine.net/ckfinder/userfiles/files/niweroborimosafos.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137cb55f3705---sajafo.pdfIn PDF document text
- https://irish-setter-zucht.info/ckfinder/userfiles/files/93654507102.pdfIn PDF document text
- https://dveropolis.ru/upload_picture/44553722233.pdfIn PDF document text
- https://bevillelecomte.ovh/ckfinder/userfiles/files/dezorususewefegetakutepik.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/denof.pdfIn PDF document text
- http://playbabydoll.com/userfiles/file/sulonuladivimemewalejula.pdfIn PDF document text
- http://efuturesthai.com/uploads/files/biwalogigurumijine.pdfIn PDF document text
- http://vipnjl.com/userfiles/files/84969567142.pdfIn PDF document text
- https://nsck-cykelmotion.dk/userfiles/file/12120811285.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/a1071d5a6a2d7f45eee2c62b7cdf6a1e/pixenogosi.pdfIn PDF document text
- https://reparationmobile.net/userfiles/file/jojivesutaf.pdfIn PDF document text
- http://aktifbant.com/resimler/files/74107253504.pdfIn PDF document text
- http://kondicionery-noginsk.ru/upload_picture/file/99594838978.pdfIn PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16136ad183a043---pomopaze.pdfIn PDF document text
- http://fotostudiovaccari.it/userfiles/files/kixotifevejafu.pdfIn PDF document text
- http://ultraljud.nu/bild/files/98347341493.pdfIn PDF document text
- http://designklasse.de/ckfinder/userfiles/files/bavimuludomuruba.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+pattern+lock+unlockPDF 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_off0000cb5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB5A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e371.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE371 | 10376 bytes |
SHA-256: 0b2260c6e467df5ab4609a8d4a8e7c4ed4c8d9040106197bb6cc39aa2d3f6b3b |
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font_02_sfnt_off0000fb12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB12 | 18064 bytes |
SHA-256: dc2a30c4226b8a72601695ce7c81c3025342beb4e2cb539b655e34129778a344 |
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