MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to disposable hosting or compromised CMS uploads, characteristic of a link farm designed to lure users to malicious sites. ClamAV and an ML classifier flagged this PDF as malicious, specifically as a phishing trojan. The presence of external URIs and link farm heuristics strongly suggests a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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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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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://specialcats.nl/media/files/bapawisukakafob.pdf In PDF document text
- http://aryajob.com/user_upload/file/mivubitaxipafibunovutunu.pdfIn PDF document text
- https://lajovisena.com/gallery/file/vupinaremoluse.pdfIn PDF document text
- http://ls12368.com/userfiles/file/fegatugisigelagizerovesej.pdfIn PDF document text
- http://colegiosantarosa.com/uploads/imagem/file/76956659956.pdfIn PDF document text
- https://travelone.ae/userfiles/files/sufudetuje.pdfIn PDF document text
- http://svaz-podnikani.cz/files/file/nutinizavumigob.pdfIn PDF document text
- http://honghuibio.com/d/files/fuzidimasutovugazumena.pdfIn PDF document text
- https://vilus.cz/userfiles/file/totifaritinugawen.pdfIn PDF document text
- https://vinocastillo.hu/editor_up/vulenumotewizegelezikufag.pdfIn PDF document text
- http://bamor.org/userfiles/file/8116380361.pdfIn PDF document text
- http://megatex-plast.ru/pub/file/wajipivigigoroxanuxuf.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/7b9dee4000018b52d7f24e8717ba2135/2022651595.pdfIn PDF document text
- http://www.bluefashion.cz/ckfinder/userfiles/files/54770954805.pdfIn PDF document text
- http://tongkhomica.com/upload/files/kazimawewawezopasile.pdfIn PDF document text
- http://storemisr.com/uploads/files/91981962486.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/45a8d35ecde3ef9db5952b9c93540b3b/kuxefosomenujat.pdfIn PDF document text
- https://vhssirimpanam.org/ckfinder/userfiles/files/62711001457.pdfIn PDF document text
- http://xahscw.com/userfiles/file/rugijirewe.pdfIn PDF document text
- http://paradisoseminatrici.it/userfiles/files/17581492400.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/307f453058dca860ea50922f0c8ee610/525080530.pdfIn PDF document text
- http://marta-galan.com/files/varios/file/90906141851.pdfIn PDF document text
- http://cambridgekapurthala.com/damana/userfiles/file/7935898578.pdfIn PDF document text
- http://nb-magnet.com/upload/files/98507898025.pdfIn PDF document text
- http://sungwoo-n.com/userfiles/file/94686569400.pdfIn PDF document text
- http://mecateengenharia.com.br/ckfinder/userfiles/files/wepajevula.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=update+install+app+play+store+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_off0000db8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB8B | 10592 bytes |
SHA-256: 0aa03f1c3473eef6b65809296b303824a4a632e33dacf9fe0b1ea1c334de6620 |
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font_01_sfnt_off0000f3f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C04 | 16868 bytes |
SHA-256: b967f4ab35ae7e9afe16dae354f4b4046519dc482b31847b5515776955ae93f5 |
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