MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress sites, suggesting a phishing or malware distribution campaign. The PDF structure and link farm behavior are consistent with attempts to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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 https://clubesolbra.com/uploads/files/dezapozemejiguwix.pdf In PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/f4a5c4a72b5e03621b13844a77b77e4c/18166507352.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/logmv3gd3vcco0p33tha0c1m9g/84710736282.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/sqcm5h9pkr1nhj2egd5p3739eb/vemuxusujudisejezovi.pdfIn PDF document text
- http://healthywithhart.com/res/file/wepapibagorodiwajoxubu.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/9d6598236d0ab5dd93c44f5d03ef2861/20733640698.pdfIn PDF document text
- http://ankamet.com/userfiles/file/rezivejekibezagoxe.pdfIn PDF document text
- http://kistours.hu/userfiles/file/zegefije.pdfIn PDF document text
- http://nail-free.com/ckfinder/userfiles/files/mikapaxewufasutuzipurik.pdfIn PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/bbb121fcace7b7071a456392fd1b4cc3/warotegu.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff1333ec80---piluwivixefazogopiti.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c97d7804247---3519708400.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16096889512534---ralodabu.pdfIn PDF document text
- http://selfmadefilms.nl/userfiles/files/rusigelojulapijimisirul.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16081148fa31e9---nexugozidazuwekufozudo.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/3483921ad11dad4be6c1901157b77d1f/64488474063.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/2o1j68f69745lrlsoo0h34g8sk/44933180920.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877cbf22375.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa3412918a---11664318780.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d78c14e5f809577fc4963b1be74dab01/94710505793.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160f79935b32e9---678147617.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/pukulugalupurokelixakax.pdfIn PDF document text
- http://textingrights.com/userfiles/files/jixegewiri.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160988a795be4a---95671401922.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/5fgem0gphf3ggk2nv8uqkd0582/9686903923.pdfIn PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16082b62198883---14686276313.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=change+voicemail+greeting+on+iphone+7PDF 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_off0000efe5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE5 | 10800 bytes |
SHA-256: 7f98db866bba7696d50c1218f2d16de89b2d47794ab799f4711b9143d584ba37 |
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font_01_sfnt_off000108aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000120bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120BC | 18456 bytes |
SHA-256: 4910bae06789c46e98d37c51d834fc9da9267df125a8654b13c8317a7caf7e6c |
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