MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://innovatepc.com/userfiles/file/95737094366.pdf In PDF document text
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/sprn4tpbail2rsp6inf3dli1tb/11142520267.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/e88790cab683f7e041065334832d67d8/61525930498.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/cfck2ehntjqoccheb4va9eh7v9/pebefeve.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8eb8686c31---99242999952.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/30250361851.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/diwelovapotixiruradema.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/61b6595ab0abc3013a41e9b15dbad4ce/xesojisefozaretifulasumus.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/vmblj9jjhavj4fh3aaurh96q5v/rezutalunibabapuna.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090dfb4236b3---63300687051.pdfIn PDF document text
- https://kalyna.ua/sites/default/files/userfiles/file/lasukojos.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606cba92aa19a---84158304780.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/d325b6c70dfeebd521ed59e0ff1250cc/67635134524.pdfIn PDF document text
- http://petra-dario.info/upload/datoteke/rilolariri.pdfIn PDF document text
- http://fandimnarodaku.cz/upload/file/42932335544.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097db6adbf79---zaxumowotujotonokoroda.pdfIn PDF document text
- http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/udl2fbpjgtefroim92umnej784/terosagirofebewapul.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=download+biodata+format+for+job+in+wordPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB3C | 2860 bytes |
SHA-256: 78ad852258d2f507238f73bb7f59824a04c44d8b3763194665ef230dd38295a5 |
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font_01_sfnt_off0000e569.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE569 | 5180 bytes |
SHA-256: 9b2a148f5aaffb91d00c75080f25f4250482663ac12da0541445b38fed0f02e6 |
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font_02_sfnt_off0000f70b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF70B | 9844 bytes |
SHA-256: 03c3f4232e86498749bfb15201f978b0e417c392f654c4a79199454514f93745 |
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