MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as containing a link farm pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically a phishing trojan. The embedded URLs suggest an attempt to redirect users to potentially malicious content, aligning with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://constantcontinuity.com/membership/data//files/zugugis.pdf In PDF document text
- http://palyavalaszto.hu/teszt/upload/file/bixone.pdfIn PDF document text
- http://usarsenal.it/userfiles/files/sodanun.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/37332cfca1a3dd19e1f7b3a043d93d73/bisiragimuzo.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160778a27e6697---wibelatafuwire.pdfIn PDF document text
- http://fatfailogistics.com/fckeditor/files/file/jagadivesaxopelav.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ab806f354d4---60993564914.pdfIn PDF document text
- http://diversecityuk.com/userfiles/file/gagesuxofexopez.pdfIn PDF document text
- https://trongtrucsolution.com/uploads/files/nebowegiliwaxuwisapi.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/9c787d1531d64220ac936824345558a7/63502069418.pdfIn PDF document text
- http://www.ville-dammarie.com/ckfinder/userfiles/files/92952415352.pdfIn PDF document text
- http://vizugy.hu/uploads/files/12189671170.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7a7f2c17b---xurajuvukivofo.pdfIn PDF document text
- http://diversecityuk.com/userfiles/file/vukolipavefigimebu.pdfIn PDF document text
- https://istanbulbalbir.com/upload/ckfinder/files/kotoretixoma.pdfIn PDF document text
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2df7b8e6f---72437551180.pdfIn PDF document text
- http://talentfuturesservices.com/sharpinstitute/images/files/zezujunamanaditorupowidad.pdfIn PDF document text
- http://asokmontridental.com/userfiles/file/kuwogenepexesedev.pdfIn PDF document text
- http://berallebags.com/UploadFiles/FCKeditor/20210902012803.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160815d12d6510---37582853020.pdfIn PDF document text
- http://www.parkwaytransplant.com/media_upload/upload/files/ripekiguze.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/olj2va03p8pif17l8i84hfbcol/kifuxatadonadelupa.pdfIn PDF document text
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/ug4bu941nb3a2ug3eeq7v6iaq1/29095089248.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=stealing+fire+jamie+wheal+pdfPDF 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_off0000ed4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4E | 18624 bytes |
SHA-256: 92ca437e986484d9ecfc04d3d7f28ff19afc870971229ccf038db0f137e78b6c |
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font_01_sfnt_off00011db1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DB1 | 10948 bytes |
SHA-256: 6243e5cc76ce1c2d6f5edbfc26e31b7f99a1a5c040afda8795167dc798e18c5e |
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font_02_sfnt_off000136ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136AD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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