MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including PDF_RANDOM_URL_LINK and ML_NYX_PDF_MALICIOUS, and detected by ClamAV as Pdf.Phishing.Trojan. The document contains a large number of embedded links pointing to various websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a phishing or malware distribution campaign. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9931
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://yournew.site/wp-content/plugins/super-forms/uploads/php/files/nrth8raghq38ol22olklmomqvp/kesozonuraj.pdf In PDF document text
- https://namphuctourist.com/userfiles/file/jibabinokiniwox.pdfIn PDF document text
- http://kibbkw.com/uploads/files/19606940273.pdfIn PDF document text
- http://comp-art.ru/userfiles/file/rusegadozusezifilox.pdfIn PDF document text
- http://bualuang101.com/backoffice/upload/files/97248588202.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/75f2scfqcs1pp3thtmco7bsth0/84180082713.pdfIn PDF document text
- https://ksuskalology.com/images/file/dedemikuxozu.pdfIn PDF document text
- http://steelbo.com/uploads/admins/u0/files/20210621234548.pdfIn PDF document text
- http://zonweringbelgie.eu/ckfinder/userfiles/files/60027124967.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/92569875394.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/xakolojipasonifonil.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/0eg2rk251l60218mgl4fnsujeg/52369254308.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/41d6f8285bb19dbb6365f1cca734058f/zisamonufekadi.pdfIn PDF document text
- https://a2designbg.com/userfiles/file/39152319820.pdfIn PDF document text
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/4811gtps2otgqb0pagjd73g3kb/82246720881.pdfIn PDF document text
- https://sukhayurveda.in/userfiles/file/bepirodugaxuwu.pdfIn PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a10a6bd6401---6443175163.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/e9c6f30d692d794ff75f02217eb11abe/33053980717.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/e12892b86151a9b34c4356f39c97c3e1/fazemubesejilowuboxiniz.pdfIn PDF document text
- http://debden.org/userfiles/file/2808391346.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/75213025563.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/e4f37f1e3e491c8768e7db84767e6410/ruzelage.pdfIn PDF document text
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a5814b7e9---1416731123.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/satr2js6qc7hphobssmfvhoil1/46971842096.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160713e63acd8e---14621944182.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c2659d4a690---sudelanavugojirukagef.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=how+to+find+the+alien+containment+facility+in+subnauticaPDF 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_off00012a8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A8D | 18472 bytes |
SHA-256: 66ee749e5491716679a615ad591a7a2534e67d55b15a3c0f7075b60050961154 |
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font_01_sfnt_off00015aaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15AAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000172c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x172C1 | 11072 bytes |
SHA-256: 7bf7185b38a1041de5aae559406ef88c10e89701e2c1c93c2e73af998eb4583d |
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