MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Static analysis revealed it functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, suggesting an attempt to distribute malicious content or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
Heuristics 6
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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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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 http://pechati-piter.ru/userfiles/file/lolujogepij.pdf In PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/5b8b64fd5ac582d51bbc17e0f388a34a/68683678408.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073918de1be1---pebonujubaje.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/39ie33m9qjtlblup8e33n6bodf/godokasiwum.pdfIn PDF document text
- http://s2ipower.com/survey/userfiles/files/42255797769.pdfIn PDF document text
- http://edu-tur.ru/userfiles/file/52651512765.pdfIn PDF document text
- https://mangmalungtea.com/userfiles/file/640842769.pdfIn PDF document text
- https://aftaplan.com/works/peepsparty/html/upload_files/file/dusarudos.pdfIn PDF document text
- http://tencanpowder.com/d/files/levonaja.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9afaebf32e---48059697662.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebc1e9978a---63639291648.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609836114ae6f---gofugibolomebovefedo.pdfIn PDF document text
- http://abwingssuffolk1.com/uploads/files/32784957814.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c2176c4cd4f---78017125408.pdfIn PDF document text
- https://promise-land.com/upload/file/dexawibovulemiluno.pdfIn PDF document text
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/9f9e344040e77d2d22bec1a6b465d1eb/91972158554.pdfIn PDF document text
- http://airsoft1.ro/files/file/pufafu.pdfIn PDF document text
- https://chpcentre.com/files/file/duboti.pdfIn PDF document text
- http://abnicum.com/files/file/rapijatabakar.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/33528949014.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/8433ba5569030b06b3f8c00b73812191/rezuzonodoviwapiwukuwuxim.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/jumoretetulusi.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/memeloripujajo.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073c58609eca---22143034381.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=ppr+practice+test+freePDF 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_off00012a3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A3F | 10204 bytes |
SHA-256: 3128e2b2f06ebb78ecd2116f0878814dddc6ceda8e18fff83871feea02da14eb |
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font_01_sfnt_off00014147.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14147 | 19340 bytes |
SHA-256: c6aafe71a1da1ee687f5066f226f570784e146db40fdb56e4e628d2330db7419 |
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font_02_sfnt_off0001720f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1720F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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