MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to various domains, many of which appear to be compromised CMS uploads or hosted on disposable domains. The primary URL suggests a lure for game downloads, which is a common tactic for phishing or malware distribution. ClamAV detection and ML classification strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://pistant.ru/uplcv?utm_term=super+mario+3d+game+download+for+android PDF link annotation
- http://sineadstone.com/userfiles/file/xiduk.pdfIn PDF document text
- http://inarchengineering.it/userfiles/files/56584639617.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/53590f2e4461aad6b83dd8d295fa01c5/5276353635.pdfIn PDF document text
- https://www.douggoodkin.com/admin/ckfinder/userfiles/files/xamikazusapilixugazojubem.pdfIn PDF document text
- https://gangnampools.com/contents/files/pasasupetogutuk.pdfIn PDF document text
- https://telliogluhukuk.com/userfiles/file/kenave.pdfIn PDF document text
- http://kwiatmetal.pl/userfiles/file/lodaremokakuto.pdfIn PDF document text
- https://tahubunting1.com/contents/files/52287223039.pdfIn PDF document text
- https://wotfiles.com/ckfinder/userfiles/files/51707377918.pdfIn PDF document text
- http://webspace.mysdam.net/images/newsletter/files/91001407160.pdfIn PDF document text
- http://elskup.pl/images/assets/file/nowukirevunonisa.pdfIn PDF document text
- https://ntc-container.com/upload/files/57890208311.pdfIn PDF document text
- http://nikolabartakova.cz/files/file/borulotuxitidemimitade.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/161428b4cb7c6c---15536680073.pdfIn PDF document text
- http://valdhans.cz/userfiles/file/jofagilumax.pdfIn PDF document text
- https://soi.icami.mx/ckfinder/userfiles/files/sajik.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/69393569484.pdfIn PDF document text
- http://elektron.be/public/userimgs/files/12880798828.pdfIn PDF document text
- http://bodybybodyology.com/ckfinder/userfiles/files/dumevixad.pdfIn PDF document text
- http://njbeihang.com/uploadfile/file///2021090310141763.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613243c9086c0---96770210582.pdfIn PDF document text
- http://abw10thstreetne.com/uploads/files/81309557150.pdfIn PDF document text
- http://fulepmark.hu/nyebu/fulepmark/userfiles/file/gaberetodat.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_off0000df49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF49 | 11008 bytes |
SHA-256: 6e023edd3dbf3b1d476ec4b36cf019c6e1015f85f2392e97947f8c57fb1d06a2 |
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font_01_sfnt_off0000f8ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000110c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110C0 | 18104 bytes |
SHA-256: c59e5536dbec9d34156fa5b74aec3196edaac8d150871c376f7fa54683460035 |
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