MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF containing numerous embedded URLs that form a link farm. Several heuristics indicate these links point to compromised CMS uploads and disposable hosting, suggesting a malicious intent to distribute further content or phish users. ClamAV also detected this file as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://chcial.ru/uplcv?utm_term=raspberry+pi+emulator+android PDF link annotation
- http://metalzilembo.it/userfiles/files/18144864628.pdfIn PDF document text
- http://orkoien.com/userfiles/files/xopuvotuzulomuvapoxuz.pdfIn PDF document text
- http://koreaseals.com/ckfinder/userfiles/files/77862235854.pdfIn PDF document text
- https://riosemarescentrodemergulho.com/ckfinder/files/lefetit.pdfIn PDF document text
- http://medi-sen.com/files/files/tunuzidotirifig.pdfIn PDF document text
- https://pikhospital.com/ck_uploads/uploads/files/kedukexu.pdfIn PDF document text
- https://pastelbuilders.com/userfiles/file/74722298933.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16132df0801620---17754206344.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16139a4edc93bf---nekarimijomel.pdfIn PDF document text
- https://dichvumayphoto.vn/webroot/img/files/27948840922.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/24831296354.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16131b7272599d---bogabedeviwate.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137b5a813927---5473684663.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ad327b6f1---vividikokewamikedodetimi.pdfIn PDF document text
- http://wish-pharma.com/upload/files/subugerewozifimi.pdfIn PDF document text
- http://kuwaited.com/cote_dor_import/admin/ckfinder/userfiles/files/makoxuragilap.pdfIn PDF document text
- http://liyangah.com/Upload/file/fubupawipodulotonak.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410e98e0745---dubuwe.pdfIn PDF document text
- http://thietbianninh188.com/uploads/files/14804044294.pdfIn PDF document text
- https://billionbosses.com/ckfinder/userfiles/files/vejolirenim.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/vt2bs0cci1i9a5hq0644tvuqbb/duduvubuzivol.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/jakosupatusigodujunurow.pdfIn PDF document text
- http://realtor-madrid.com/uploades/fckeditorfile/nivuzomokarokolexid.pdfIn PDF document text
- http://myconnect-thailand.com/image/upload/File/37151763588.pdfIn PDF document text
- 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_off0000c3d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3D7 | 18392 bytes |
SHA-256: 873f277f2d405d918ebd17e6311b562fa1ba6b41049bc5730496cc69a00a49ea |
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font_01_sfnt_off0000f363.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF363 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B7A | 10952 bytes |
SHA-256: 20c39aa87c0caad8a8778ec117007ccb662454aa00ddae229da99a29f2e9dd51 |
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