MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ClamAV and an ML classifier, and exhibits characteristics of a PDF link farm. It contains numerous URLs pointing to potentially compromised websites or disposable hosting, designed to redirect users. The presence of 'utm_term' parameters suggests an attempt at SEO manipulation to drive traffic to these sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/dbe39dae16df3835a42e10074e70f397/11265331585.pdf In PDF document text
- http://joeun-it.com/userData/board/file/84556696840.pdfIn PDF document text
- https://drivetripper.com/userfiles2020/files/jibimomosutel.pdfIn PDF document text
- http://issaproject.com/app/views/panel/ckfinder/userfiles/files/texajajeriduzawukinadigol.pdfIn PDF document text
- http://tichdiem.surecare.vn/uploads/userfiles/file/welufazaxanul.pdfIn PDF document text
- https://wegofa.com/userfiles/file/99036998344.pdfIn PDF document text
- http://futsalcb.cz/picture/vtextu/file/femepozanofuvi.pdfIn PDF document text
- http://tropo-design.com/ckfinder/userfiles/files/99920587260.pdfIn PDF document text
- http://carsonpokebar.com/uploads/files/vabara.pdfIn PDF document text
- https://greenboo.vn/uploads/files/zapebodiwuwebotulemepo.pdfIn PDF document text
- http://inbiosa.eu/static/cfiles/files/kuvaxoxu.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/161495838bfa29---wotigulufaterolajap.pdfIn PDF document text
- https://crmsaas.dswip.com/ci/userfiles/files/25243433359.pdfIn PDF document text
- https://phu-komplex.pl/pliki/file/bazaka.pdfIn PDF document text
- https://korzayithalat.com/spot/admin/fckeditor/userfiles/file/42956420516.pdfIn PDF document text
- http://agarimo.com/archivos/archivos/pakugomavekojajef.pdfIn PDF document text
- http://ancient-theater.gr/media/file/vexumotalipari.pdfIn PDF document text
- http://awarelaxcentrum.cz/user_files/file/wuredakedodivefemiv.pdfIn PDF document text
- http://koutingchina.com/upload/files/pabegugozaz.pdfIn PDF document text
- https://alusol-kw.com/ckfinder/userfiles/files/97657633475.pdfIn PDF document text
- http://playworkspartnership.ca/sites/default/files/file/benemifufag.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/966c3f5ca9f99754d50a917af40c1aee/ketaboluvogowobe.pdfIn PDF document text
- http://zjnep.com/ckeditor/ckfinder/userfiles/files/refuvub.pdfIn PDF document text
- http://area100impianti.it/userfiles/files/3884375381.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=gta+sa+ultra+graphics+mod+for+androidPDF 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_off0000b218.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB218 | 11072 bytes |
SHA-256: 1100c19499aa07756a3162ffc55d0f9266a2f92114b50d79b1ae4e2639ba6ce8 |
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font_01_sfnt_off0000cb87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB87 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e399.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE399 | 15208 bytes |
SHA-256: 6d6390a77b5af0e918761f55f1a1ef48d2ebc765e7700229fe254dd1d679f75e |
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