MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the PDF structure strongly suggest a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://pistant.ru/uplcv?utm_term=township+playrix+game+download PDF link annotation
- http://kyanite.tv/userfiles/file/virapijipujoxexaz.pdfIn PDF document text
- http://mamnonsaokhue.vn/app/webroot/files/ckfinder/files/xufezizewiroponi.pdfIn PDF document text
- http://sitoad.com/bbqjoekey/files/202109122317517419.pdfIn PDF document text
- https://successalpha.team/upload/files/91086121078.pdfIn PDF document text
- http://ginzaoakland.com/uploads/files/20193449566.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/nonirigewavotezipaxop.pdfIn PDF document text
- http://bekkercoon.ru/ckfinder/userfiles/files/solifenufeja.pdfIn PDF document text
- http://scouttautomotive.com/editor_uploads/system/files/fikebixuvax.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/0f8d8932cd8c5c1c9dffabd784d4efee/tiravemugibeja.pdfIn PDF document text
- https://mysmartedu.com/uploadimages/files/fukarofoxuzosusanidefima.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/161406fb60dfe8---68567799680.pdfIn PDF document text
- http://chocoenglish.com/_UploadFile/Images/file/85475563511.pdfIn PDF document text
- https://totalsewa.com/userfiles/file/dajibolamoto.pdfIn PDF document text
- http://akvatoria.by/UserFiles/files/14096776919.pdfIn PDF document text
- http://www.ecostroyservis.ru/File/lufarosapotezapasuvulun.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613813eed155e---fugurakosodupadomobes.pdfIn PDF document text
- https://totspotdaynursery.co.uk/ckfinder/userfiles/files/92123452666.pdfIn PDF document text
- http://fotofolliasanlazzaro.it/userfiles/files/vokirudijogul.pdfIn PDF document text
- http://russia-ex.com/images/blog/file/misem.pdfIn PDF document text
- http://hai-bi.com/uploads/files/202109181536481830.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/50544068467.pdfIn PDF document text
- https://dacola.com/upload/files/87496067503.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/daratiwej.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_off0000b15b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB15B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC972 | 11004 bytes |
SHA-256: 3fe22a8ef3d9934bc9da25ad3e5fa54f836fb05db34235c84c38edd3a9137579 |
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font_02_sfnt_off0000e2b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B5 | 18108 bytes |
SHA-256: 6318249ed36924c178dac6d2a2cb97a114798bcdb5dfb78eb79548e74f8dc20b |
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