MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to various URLs, some hosted on compromised WordPress sites. The presence of a 'download button' lure further supports a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://huntic.ru/uplcv?utm_term=stellarium+mobile+sky+map+free+download PDF link annotation
- http://twfbs.com/ckfinder/userfiles/files/bosuwari.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/161302a4d62e09---puvudebisadu.pdfIn PDF document text
- https://nepalonetours.com/userfiles/files/wukigovazebisuliluvo.pdfIn PDF document text
- http://dxline.eu/userfiles/file/30553506578.pdfIn PDF document text
- http://otoozevran.com/resimler/files/kobekumumavabatuxo.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/32ac9ef5b0c11c370c7df37fab0a036f/37958876550.pdfIn PDF document text
- http://lovesushiscv.com/uploads/files/sabikawijenaxiwobomij.pdfIn PDF document text
- http://historia-bfured.hu/userfiles/file/53790751084.pdfIn PDF document text
- http://vertracapital.com/uploads/files/jusukujegepowozoleg.pdfIn PDF document text
- http://bhttourist.com/upload/fckimagesfile/gasitigakexisopi.pdfIn PDF document text
- http://artgrafika.cz/userfiles/file/45292444525.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/hrf40h267h78j0p906443elbd9/kilapabuseg.pdfIn PDF document text
- https://mastirz.com/userfiles/files/67779841285.pdfIn PDF document text
- http://telecycling.org/files/file/vedufokavugus.pdfIn PDF document text
- http://duoctruongxuan.vn/userfiles/image/file/47360569615.pdfIn PDF document text
- http://baoveantam.org/upload/files/58407506667.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161341d751b9ff---biluxe.pdfIn PDF document text
- https://cr2tek.com/userfiles/Proj_Name/files/gupoxelose.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_off0000d69e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD69E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eeb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEB5 | 11264 bytes |
SHA-256: fb9260cc28b18a644a996ad51899153a99c0d60d21f4e5715f36f84b0275b7df |
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font_02_sfnt_off000108f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F4 | 17900 bytes |
SHA-256: c8795b0ab63d51586efd7e0c7e808fcea8a370675b518f3e6101ea54fda48da5 |
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