MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ClamAV and an ML classifier, with multiple heuristics indicating it functions as a link farm pointing to compromised CMS uploads and disposable hosting. The embedded URLs, such as 'https://nomylo.ru/uplcv?utm_term=good+morning+shayari+zindagi', suggest a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate malicious intent, likely involving redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://nomylo.ru/uplcv?utm_term=good+morning+shayari+zindagi PDF link annotation
- https://alquimia.in/admin/fckeditor/editorfile/nexomanex.pdfIn PDF document text
- https://airxps.com/userfiles/files/85664621459.pdfIn PDF document text
- http://mrtowing.ca/Lawyers/userfiles/file/1405353108.pdfIn PDF document text
- http://poaglasses.com/uploads/files/202109231303192816.pdfIn PDF document text
- http://caratow.nl/userfiles/file/83877452500.pdfIn PDF document text
- https://www.creativetalentnetwork.com/ckfinder/userfiles/files/penobujewawej.pdfIn PDF document text
- https://mallarpurnaisuva.org/go/file/sudekabuzewutu.pdfIn PDF document text
- http://strelnicebudejovice.cz/userfiles/file/zodar.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614a1c0bb138a---89238284971.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbc9ad86e6---48752852732.pdfIn PDF document text
- http://hani-bee.com/userfiles/files/mivadajube.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1614307f5c290c---14917351735.pdfIn PDF document text
- http://sure2trips.com/bot/ckfinder/uf/files/rufabikuj.pdfIn PDF document text
- https://floridainvestment.cz/files/file/nuvave.pdfIn PDF document text
- http://www.galiantsolutions.com/emailimages/file/wakogawivulud.pdfIn PDF document text
- https://realxenon.ru/uploads/files/51461963103.pdfIn PDF document text
- https://dynasty888.com/image/files/20210905_025004.pdfIn PDF document text
- http://khunghinhdepphuctin.com/media/ftp/file/torugakiwuv.pdfIn PDF document text
- http://kutscher-customs.de/gfx/userfiles/files/jifiwamuzowatekeze.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/79050301105.pdfIn PDF document text
- http://bjbtrh.com/files/pic/file/5012946050.pdfIn PDF document text
- http://jongauger.com/ckfinder/userfiles/files/tegolig.pdfIn PDF document text
- http://eiak.org/upload/editor/files/7959705329.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161306705545cc.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_off0000b087.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB087 | 10632 bytes |
SHA-256: 9b1603eba7a0df5f72933622ac9ecc8bef6825c7973c0b0b9ca996489759ed80 |
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font_01_sfnt_off0000c86f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC86F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e081.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE081 | 14288 bytes |
SHA-256: 7a225b052785238e535b2d0fefe5888a315a7c85ff2dfdf58834cf62a1d4837c |
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