MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to redirect users to malicious content. The presence of these links and the overall structure suggest an attempt to exploit users through deceptive means.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://jinistudy.com/_UploadFile/Images/file/10341288198.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b375498ec---xalanomanevekaduziwave.pdf
- http://www.allatpatikapecs.hu/images/file/82150762964.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e795dddd51---17988537846.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/eqpdre50mrjdsba12ptnkhtver/funabulakululokul.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe69a5d4fa---jadefuw.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3fed65e0ea---xivewewejudifeniwaridoj.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/dsugk96u2thi45ls92pnvp1bdi/dozojozelusexevabapajel.pdf
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/i88n0pgp1l8vnfd2aibsej3io4/3176726481.pdf
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aac240709e4---84547443631.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160a1697c9b9dd---36512503901.pdf
- http://healthywithhart.com/res/file/nozafubad.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160d36599f2564---gezetanevokef.pdf
- https://makeswebsites.com/clients/c/c8/c8c605999f3d8352d7bb792cf3fdb25b/File/11705848327.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160caa9514d915---jubujuliwubikokunedok.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/b70b28680373b398620d52feddfe4cd7/46931211945.pdf
- https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/6390f019490ec0e9834fcc4a690c6222/nukefigis.pdf
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/ab7045ab2947f6c73f0385864f5066d6/nevaxeleguri.pdf
- http://avsa.org/sites/default/files/images/files/meserifatelukaxo.pdf
- http://myboydfamily.com/clients/7/7f/7f513a2250c12de81a70a6735749c289/File/vopepabunodunek.pdf
- https://digireg.si/upload/sidumuworamufezasikabu.pdf
- https://client-sms.com/ckfinder/userfiles/files/zanojumetal.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a88579ce3---57640466424.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=asymptomatic+cannot+spread
- 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_off0000e611.bin0d2c7002836ea458a240ef3177f90ccb7c4c11ad76f87671152804d3599d79c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE611 | 10724 bytes |
font_01_sfnt_off0000feb7.bin6b8f2526002f93a3a822824fbff8a2e552ed8cff2b3fdba9ba54bfa6b143662e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEB7 | 16960 bytes |
font_02_sfnt_off00012abc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ABC | 16792 bytes |
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