MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document likely prompts the user to install a browser extension or update, a common social engineering tactic. While no scripts were directly extracted, the presence of numerous links to potentially compromised WordPress upload directories suggests a mechanism for delivering further malicious content or redirecting users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9945
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca13c50cbc---zumixumezuzi.pdf In PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/gapf5q334kudrr0738l0jfsj23/71907555767.pdfIn PDF document text
- http://www.thaiboat.net/image/upload/File/pevuxomomovarepinebe.pdfIn PDF document text
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/1954303f1fd89799882bffdeff574dc8/sekofixegejises.pdfIn PDF document text
- http://iberryhomemade.com/userfiles/files/pemirigojokosufogibixofi.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/1cba73ae9bf2e031013f9624f89023e9/tosexalitipadepupeke.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/5cbef7bfb51f9343f178568c2d64da70/2513430783.pdfIn PDF document text
- https://burgas-remonti.com/userfiles/file/liduberoveluz.pdfIn PDF document text
- https://xenang-mitsubishi.com/fckupload/file/3348301225.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160aab3ee892eb---zemujegokugigapuwol.pdfIn PDF document text
- https://liniagdanskzydowo.pl/files/kitawadir.pdfIn PDF document text
- https://dianthusindustrial.com/resimler/files/52895900439.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609dabdf5377b---woxogikanisonide.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/9f9qeue9u3utadipp4blou862h/57234687243.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/c3d51ae0692cf05dc24419164466ed7d/26354845655.pdfIn PDF document text
- http://ahchala.com/img/file/89187506908.pdfIn PDF document text
- http://ikkosushi.com/uploads/files/27319867144.pdfIn PDF document text
- https://transport-vehicules.fr/userfiles/file/wapovakifanevexigarexige.pdfIn PDF document text
- http://lsbwg.com/ckfinder/userfiles/files/20210714/0648130.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bc266c9a8cd---7211064509.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/99a2b985a3542777dba9609df9d63d8f/50769589126.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/dexokibafajaz.pdfIn PDF document text
- http://interel-rus.ru/test/sites/default/files/file/vezabodigalufowaxij.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160dfd0b87df1a---8987374933.pdfIn PDF document text
- http://iseveranscopy.com/upload/editor/file/94726061008.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/970855851b3eb015acad369a13f64a05/fudidojukofor.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160e330a4a7f35---13807369305.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+use+rpcs3+emulator+on+pcPDF 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_off0000ff1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF1B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001172d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1172D | 16968 bytes |
SHA-256: 0fa46c9853b62f9f561457df894207742fffbd862f0845c508acfc91d290620d |
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font_02_sfnt_off000143a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143A0 | 10792 bytes |
SHA-256: 0cedad5ea58fbc56cefb6f7928790585084091ad9265c23a92312fb219d682d0 |
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