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 0.9952
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 https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6d6906ecb---9019678186.pdf In PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160811d2377ae1---22039732782.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/l8kqe4l5tan4q50a6vpthg13bc/76318350109.pdfIn PDF document text
- https://mauspro.net/upload/files/wafivepitaregizaxoxapo.pdfIn PDF document text
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/fpejc2c5cthukt9t3lfnc5oi3a/49432317037.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3500a4027d---64287330632.pdfIn PDF document text
- https://oncallanatomist.org/ckfinder/userfiles/files/36855901873.pdfIn PDF document text
- http://xn--49s538bo8ux8c.net/userfiles/file/vofofavavukam.pdfIn PDF document text
- https://bevelec.com/bevelec/dossierMois/file/40559193240.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/ajdkukcrodj4q7pneh1e8ch9h2/mebux.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/3dd113e94fcb424a7f19a21ad5da6b05/34629146009.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731630bbca1---10905938818.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160bc0dd5e2e53---95520927499.pdfIn PDF document text
- https://mintedimages.com/ckfinder/userfiles/files/jomikokojeba.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/fq51qeb5oog5b95237j6tgv6bm/pimulokesurabirazevipozo.pdfIn PDF document text
- https://businesslife.com/content/file/tugenamepudip.pdfIn PDF document text
- http://bpsstudio.hu/uploads/82248240492.pdfIn PDF document text
- http://airsoft1.ro/files/file/viworetasozemurujefowakaj.pdfIn PDF document text
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/8257525a224553582b51eea803178c41/wejebebimofonepexirexifoj.pdfIn PDF document text
- http://scandirent-new.ru/uploads/assets/file/divimuwuliz.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/5c4fb22a1161d97159ee89fb21d91f1c/mubobodilivawaf.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/lbshme6epju57fld2nliaps5au/94538751174.pdfIn PDF document text
- http://jnafarms.com/clients/864068/File/jimekakujukolujikunugided.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=fitoor+full+movie+download+mp4PDF 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_off0000f34d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF34D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010b5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B5F | 17628 bytes |
SHA-256: ae3b678ada28bddeae1b3cd5614e4a0ea8ba3e1cb7dca2a18121a12932c7fc4c |
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font_02_sfnt_off00013893.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13893 | 10796 bytes |
SHA-256: a4d78e7d5467d4ad586b9eb0c1e0ff2c758c93e2c9b90dc938958171310bfa94 |
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