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-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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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 https://infrive.ru/uplcv?utm_term=filmyzilla+punjabi+movies+2020+download+hd PDF link annotation
- http://www.deep2001.com/images/library/File/loxidofodewa.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/8fc36727899f7fdfab66004bbacf7d98/paxakotavifakapobumozasex.pdfIn PDF document text
- http://verduciautodemolizioni.it/userfiles/file/37962069292.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609921ead89e1---76385383454.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/m3r3vuje64105jkqss268vaoco/48582092170.pdfIn PDF document text
- http://ash-graphy.com/userfiles/file/7937150197.pdfIn PDF document text
- http://jfkanacon.org/data/userfiles/files/xikof.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/a3e8aab60f8d2d2e729e227ea2d668ab/71655698768.pdfIn PDF document text
- https://barcelonacentremedic.cat/files/galeria/files/84316054448.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089a7194cc53---nosexi.pdfIn PDF document text
- http://bright-inter.com/file_media/file_image/file/33124871286.pdfIn PDF document text
- https://usssecuritate.ro/userfiles/file/kujekore.pdfIn PDF document text
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/a9d91ea44c05a7ca7056d8840efab036/wakivajugoku.pdfIn PDF document text
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/ma04lp8823ukpvuirllvm67dv0/41589553221.pdfIn PDF document text
- https://amd-export.com/site/upload/file/zibinixenumiwigeb.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160847493b36e4---xojipojikipewom.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010a3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A3A | 5852 bytes |
SHA-256: 080f533d3dfdce91e9712ab1efd52b2d7c38ae8fedc735f4f10be556b405a9f5 |
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font_01_sfnt_off00011e20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E20 | 10696 bytes |
SHA-256: 949436611066de06a8ca35ad4bcc138491bd734b431d73cf00dbf29207c73b11 |
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