MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm with numerous URLs pointing to PDF files hosted on compromised websites, suggesting a phishing or malware distribution attempt. The presence of embedded JavaScript, though not fully analyzed due to obfuscation, likely facilitates the redirection or download of further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 6
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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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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://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/v1s8a9viqrr419b3fekfcjkf2n/vovake.pdf In PDF document text
- http://wienbildarchiv.com/upload_files/files/jomusuvawaz.pdfIn PDF document text
- http://kiuanai.com/userfiles/file/17266194504.pdfIn PDF document text
- https://sce.tw/uploads/files/6116a1d56e13d.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a03d0dd743---64471313884.pdfIn PDF document text
- http://george-dollie-nelson-mass-reunion.com/clients/3/33/33de80a6744892f7217a81a137582dad/File/37987316048.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a57186bf8ed---babezipukiw.pdfIn PDF document text
- http://www.nachtruhe.info/up/files/busekedigamidijogoferuw.pdfIn PDF document text
- https://liur-krd.ru/userfiles/file/94062871961.pdfIn PDF document text
- http://kashima.cc/userfiles/file/21928496344.pdfIn PDF document text
- http://sipsak.nl/userfiles/file/kepufekiritesefe.pdfIn PDF document text
- http://thedreaminitiative.org/Content/Admin/uploads/files/kidelerorepokitik.pdfIn PDF document text
- https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/pmfjklcva5rv1qdneqefgheam9/mimipegazavurubasa.pdfIn PDF document text
- http://ing-ka.com/user_img/file/62422017140.pdfIn PDF document text
- https://bouveau-consulting.com/userfiles/file/vujamumi.pdfIn PDF document text
- http://b-solutions.net/userfiles/file/poxutuvenulejisuluvotirug.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a2fdbc46c---fixane.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/f47f703ff221e6e06c1f520203d8fcae/2628258385.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/73f0d2117d1ab6958968aed9839461c2/40110846255.pdfIn PDF document text
- http://www.tokyomagic.jp/images/library/File/34411138270.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074dc69221dd---pipugavurisitojof.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b4cb82b044a---68638465485.pdfIn PDF document text
- https://biovuspharma.net/userfiles/files/xapaferezok.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021050222041173499.pdfIn PDF document text
- http://kunjipsc.com/uploads/files/88790311923.pdfIn PDF document text
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c75be05f8c---98584932764.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=tabla+de+vacaciones+por+a%C3%B1o+2021PDF 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_off0000e569.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE569 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fd80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD80 | 11080 bytes |
SHA-256: 638e9ef345053740fb621fb3cb0c0bbdfd8fc107f9ef6de9b73b3524a180124b |
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font_02_sfnt_off00011704.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11704 | 17624 bytes |
SHA-256: 0a64854d59e08627a76890918f257000128c0b064f5d5144cd4fb3473626d299 |
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