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 0.9973
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://badischer-kunstverein.de/ckfinder/userfiles/files/92578503866.pdf In PDF document text
- http://slp72.com/clients/7/7b/7b902bee17765b19ebdde6030f24742d/File/38830770465.pdfIn PDF document text
- http://terralis.net/catalogue_dynamique/file/73131558123.pdfIn PDF document text
- http://lapawan15.com/shop/fck_file/file/64485814020.pdfIn PDF document text
- http://efeotokiralama.com/Upload/file/66838380269.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/9u278jmeh5j7rf3htd1s4viq9d/45319063120.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/030379fdd6c4dc30e8369fdc3b91e718/45178569050.pdfIn PDF document text
- https://tamphuctriland.vn/upload/files/9418647421.pdfIn PDF document text
- http://sarlampa.ru/upload_picture/ligivujowudakivaze.pdfIn PDF document text
- https://www.oalysa.cz/ckfinder/userfiles/files/mewot.pdfIn PDF document text
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/521247d5350db78432faeb26bff4fdaf/44579976962.pdfIn PDF document text
- http://velomagazin.hu/UserFiles/file/goboxu.pdfIn PDF document text
- http://szymonadamczyk.pl/uploads/fck/file/noseparutig.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160af9a36ef275---53141113802.pdfIn PDF document text
- http://miet-boot.ch/images/uploadedimages/file/46177855053.pdfIn PDF document text
- http://naturallabs.fr/userfiles/file/14692319252.pdfIn PDF document text
- http://imssp.by/data/images/fxeditor/file/16351436911.pdfIn PDF document text
- http://chandigarhdatarecovery.com/files/file/lilimagewekesog.pdfIn PDF document text
- https://businessservicesuk.com/userfiles/file/78536843177.pdfIn PDF document text
- https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607862cecc4dc---lexofo.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160896ebac601b---tijanatarepalod.pdfIn PDF document text
- http://blgjad.com/upload/files/ridiketawenewini.pdfIn PDF document text
- http://zeguvietnam.com/uploads/ckfinder/files/53605610655.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/54367131737.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=the+promised+neverland+manga+descargar+pdf+megaPDF 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_off0000c2dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000daef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAEF | 18312 bytes |
SHA-256: 1294dd58aaf77cd8fd62a905cfb6014358363f7fdea3e2358d6d8ca98c54bb8c |
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font_02_sfnt_off00010a5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A5C | 10996 bytes |
SHA-256: 26e2279c2b54bbed310f72bb45b757e4a330f2d98a933af391c3c4cab9bab37e |
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