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://pistant.ru/uplcv?utm_term=ardaas+2019+full+movie+download+filmywap PDF link annotation
- http://domholidays.com/userfiles/file/96091084084.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160756cd5e8fba---vizowu.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160794c7fd5ecd---pelimijanipagixatej.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0d271e163---9812505246.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/jt64aviena9o84bfke9cb97i7l/16834177260.pdfIn PDF document text
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f69721ef83---44702616191.pdfIn PDF document text
- https://stopserv.ru/files/file/63226139188.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/5286196946198e810e3faaeecea4ecb8/4783913672.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608832051e3a7---lepapiwivexakipixewesag.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160be89ebaba94---wasisoxerezeziledapebif.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086a7efe1f4a---turipopokujosi.pdfIn PDF document text
- https://motacademy.it/file/jezugikorepizivad.pdfIn PDF document text
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/2466c7aa591f19f7bab80f54832f6d55/24603510131.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7719a89236---kixuwizumiderexugorurol.pdfIn PDF document text
- http://fzcce.com/aimgs/uload/files/87207940560.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd610499c0---bebukugozoluxo.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_off0000e003.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE003 | 5912 bytes |
SHA-256: 89ba8a7989048e1b1d69c9d0e5823277fbf68aa8ce1ceba8dde22280f28ef9d4 |
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font_01_sfnt_off0000f428.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF428 | 10188 bytes |
SHA-256: fa721921e0320d1e0d32320b0b3583173d3cc44bad8d26c1eb334b787122de95 |
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