MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous URLs hosted on compromised CMS uploads and disposable domains, a common tactic for phishing and malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://toonesk.com/upload/pamuzeb.pdf In PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a3d8a656b8---95111958089.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/dadb05892b39b8a6980e8e01b2dd63e4/pexanib.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16099ea686e796---mupovepepekotisek.pdfIn PDF document text
- https://agrimal.pl/userfiles/file/zedomepolegomutiwu.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/fcji3kehl93q09bga3ac4f32u0/98507287126.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16080a36192c13---2434445730.pdfIn PDF document text
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f38f619e1a---11160824418.pdfIn PDF document text
- http://hagelkonzept.de/userfiles/file/94131140937.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608990736de5d---88820079289.pdfIn PDF document text
- http://nfc-lampang.com/user_img/files/76295545029.pdfIn PDF document text
- http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/887076705.pdfIn PDF document text
- https://shopinhome.com/ci/userfiles/files/50667633164.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b09c0756055---lexamesab.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-8-16/20210816050637262608.pdfIn PDF document text
- http://argyleliquidations.com/userfiles/files/kexugepit.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/b8d4cea9effc6d17993b990bae2f15d7/dipupitutenebitivuvonivit.pdfIn PDF document text
- https://psg66.ru/admin/ckfinder/userfiles/files/74969448818.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/5bee275c1accdbe647d57af1c78a48d2/dapefukofaru.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/29626244382.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1fbadbe1f2---23762855304.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b911da0dd98---faxewulit.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/cd6ea774c943fdfc92c416f20da4220b/73664676578.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=bible+verse+who+is+the+king+of+gloryPDF 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_off0000dcd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCD8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4EF | 10880 bytes |
SHA-256: ca922290640021489d3b63ad41a30ea52d27bba85d3e3357cf297d654a280c91 |
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font_02_sfnt_off00010e21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E21 | 16760 bytes |
SHA-256: fadad4d32413e741196b4bd2b3654ec0d44558b1e4f4757d7e63f23f8acc3259 |
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