MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm or phishing lure. The embedded URLs likely lead to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://inwebjor.ru/uplcv?utm_term=the+bible+story+arthur+maxwell+free+download PDF link annotation
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16091682e9d6dd---80616376520.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/b3a88fc7b9d6d5ee87afe60bb5cce034/ganaridebamajesibewin.pdfIn PDF document text
- http://pwmtqatar.net/userfiles/file/33233112390.pdfIn PDF document text
- http://porpora.info/imagenes/imagenes_contenidos///28188554679.pdfIn PDF document text
- http://symbioticlifetech.org/attfile/fckimg/file///20210516211826_133791638.pdfIn PDF document text
- http://matstravel.ru/userfiles/file/94415539295.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/09jr5p7ohv07cus22hhp407hg4/77059805166.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/j4dsma7r9b1rd09u3ho4g100c3/virisubuv.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/4be5120bddb6ecc304b055a172658b49/57270148637.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a819353f906---24659330798.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/84382124091.pdfIn PDF document text
- http://tinnaduraflex.com/uploads/files/53818317989.pdfIn PDF document text
- http://yaeram.com/userData/board/file/lobanukopenajojonoloxex.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abef7044ae0---24552605631.pdfIn PDF document text
- https://recapress.com/ckfinder/userfiles/files/37065166808.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/7v5fupei15qo74lu2tq2dpht2s/sejabapebizupeli.pdfIn PDF document text
- https://spheresignal.com/app/webroot/userfiles/files/kowotapasidenatikobem.pdfIn PDF document text
- http://fairway.cc/images/blog//file/41171385996.pdfIn PDF document text
- https://fleuriste79.fr/ckfinder/userfiles/files/15478847953.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/mobopixatetivugapukow.pdfIn PDF document text
- 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_off0000ec47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC47 | 16856 bytes |
SHA-256: d082a52caf6fe69e68ed525e3fba566cbf7f7847b5edafe9ad43b8166a608878 |
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font_01_sfnt_off00011844.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11844 | 11124 bytes |
SHA-256: 456827c9c920def5d48b2c1581efe61c4c0d14690858843a6c5c2a45fb4cd354 |
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font_02_sfnt_off00013221.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13221 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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