MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the PDF structure strongly suggest an attempt to exploit users via a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
Heuristics 6
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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 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://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/10b0e6fe939743f5ab9766229b95adb6/mufomebipikosumifat.pdf In PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c62379c5d36---lapijinapu.pdfIn PDF document text
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b19afe95dea---kekawokikej.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072e9fb10ce2---64148262231.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/ba1e76d2147f16a242ebdec41d6a3e2b/fegogubom.pdfIn PDF document text
- https://harrisitalia.it/uploads/file/70152134497.pdfIn PDF document text
- https://ancoraeducacion.com/images/93259609753.pdfIn PDF document text
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/84b9b5b3c8a3872e5e50939f9e5489aa/21692655731.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff4cd784dd---7857063345.pdfIn PDF document text
- http://dgjst.com/upfile/file/zazizepejugovi.pdfIn PDF document text
- https://chp-travel.ir/data/file/roxezun.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160cb8ba96bf1c---pofulaxejugule.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609001b9efe27---pelopezab.pdfIn PDF document text
- http://caffepontoni.com/uploads/file/xixinolegalarana.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16094558143809---guligoxa.pdfIn PDF document text
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/v0n3e4l93rv8aed9rnivdfu2u8/1016075570.pdfIn PDF document text
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/1d8c235f6ce12a5a50493eeb9af1f2cd/23979753682.pdfIn PDF document text
- http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16086911eba817---27352972888.pdfIn PDF document text
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/1fd599767b3764584ce9dabc94fa6b07/86565977823.pdfIn PDF document text
- http://palyavalaszto.hu/teszt/upload/file/34694094936.pdfIn PDF document text
- http://cck-brno.cz/ckfinder/userfiles/files/82109296313.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160752d83f36d6---zumovabedevebinewimo.pdfIn PDF document text
- http://moreit.ch/productinfo/file/jugomugufonimidigogawe.pdfIn PDF document text
- http://internationalnetworksolutions.net/files/82406432220.pdfIn PDF document text
- https://rezgame.com/calisma2/files/uploads/xasexowagujetadevoxurawag.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=classic+wow+emberstrifePDF 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_off00015b4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B4A | 10652 bytes |
SHA-256: ff2ac7026a0b83d3e7b5efecb8c00ad654c330bdbeb0a6bc526a33217e18920d |
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font_01_sfnt_off000173cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x173CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00018be1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18BE1 | 19416 bytes |
SHA-256: f0173049aaac49db166c0a3943746ce5e65050b4eb65782dbd31e6d637d3e1bb |
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