MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery. The presence of multiple PDF-specific heuristics related to URI and link farms supports this conclusion.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://challendor.com/fckeditor/upload/file/59623970052.pdf In PDF document text
- http://xn----7sbqwxdbhblh2h.xn--p1ai/data/file/sewirevumogugikekidaluri.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16099adeddb720---jilexekesesusisik.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/88e32c13677cf1500821bf1948b72f3e/88886243417.pdfIn PDF document text
- https://ccskin.com/geektic/files/fosajirom.pdfIn PDF document text
- http://www.physedu.in/newsite/userfiles/files/xusebozowosufogatanibul.pdfIn PDF document text
- http://uci.ir/userfiles/file/besagalibunuzavivajumi.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079a9f6d5506---pozaniratuveginevope.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/1608cfa19bf380---dopaxibepa.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9df020c8e---pinume.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/nisunopikek.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/1b7f21e1389cc0af75fee5840088461c/7532931096.pdfIn PDF document text
- http://alpha-cp.com/userfiles/file/30910387809.pdfIn PDF document text
- http://dailitara.lt/bites/uploads/file/rufavideradobidi.pdfIn PDF document text
- http://arredamentoambienti.it/img/file/24510878137.pdfIn PDF document text
- http://xn--2vxr09c6mc.tw/CKEdit/upload/files/katijaxizabojovovulem.pdfIn PDF document text
- http://cozycornerexpress.com/uploads/files/47916557238.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aeadeb326e---47709606461.pdfIn PDF document text
- https://ekselantechnology.solutions/ckfinder/userfiles/files/76921198942.pdfIn PDF document text
- http://hlqh.net/userfiles/file/20210818143500_1912726922.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/2663411b6ef6a38dd85161105d0c5fc2/61729899619.pdfIn PDF document text
- http://csss77.com/clients/d/df/df7f2fdc42e243c7a03c192a8228c0be/File/derewawo.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160906c1844dab---21455139326.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d33e47bc59b---40586991852.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/00457dc89b2e81678c8860bc4e0a4d85/34440624759.pdfIn PDF document text
- http://donghozibistore.com/luutru/files/biwubegafudagupuxudal.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=parineeta+bengali+movie+song+ringtone+downloadPDF 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_off0000e243.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE243 | 10884 bytes |
SHA-256: bd4adc424cbf16c00534586da4e0ef1199e4617fd81600365b2c4c1ba06e73b8 |
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font_01_sfnt_off0000fb40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB40 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011352.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11352 | 17252 bytes |
SHA-256: 5f2c0e5e8c57a5718446393d25ccf33b9f775578c0c021dd9270b67a68e9a49b |
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