MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://queure.ru/uplcv?utm_term=inspiring+words+that+start+with+w PDF link annotation
- http://phamtrangia.site/upload/files/92587505775.pdfIn PDF document text
- http://tbff-bygg.se/img/files/pubixeridajexuvifanoxuz.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/trar90b2n47i16421ahjfppoj4/pefusuzesebanul.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3ff55e93a---49287438352.pdfIn PDF document text
- http://refah4ter.info/basefile/hotelrefah4terir/files/35267312179.pdfIn PDF document text
- http://moscowfashion.net/content/xuploadimages/file/womolonogexan.pdfIn PDF document text
- http://bladensburg.abwingsmd.com/uploads/files/30394185571.pdfIn PDF document text
- https://dadesigning.com/daduserfiles/files/14833132987.pdfIn PDF document text
- https://mysilo.com/upload/ckfinder/files/75308573127.pdfIn PDF document text
- http://elitakhealing.com/ckfinder/userfiles/files/18287377240.pdfIn PDF document text
- https://kristinanamaste.eu/files/23391873296.pdfIn PDF document text
- https://budapestpainter.hu/ckfinder/userfiles/files/10859508432.pdfIn PDF document text
- http://jinshi66.com/uploadfiles/files/neroke.pdfIn PDF document text
- http://lnaixi.com/userfiles/file/20210911071342_567055012.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300efda6e8b---zesewilirusexalopotavuti.pdfIn PDF document text
- http://sdv.sk/userfiles/articles/file/zedadusa.pdfIn PDF document text
- https://myphambambi.com/webroot/img/files/97359723453.pdfIn PDF document text
- https://soi.icami.mx/ckfinder/userfiles/files/69441075799.pdfIn PDF document text
- https://megalightgroup.lv/uploads/files/bakisovimezi.pdfIn PDF document text
- http://incomsistema.ru/ckfinder/userfiles/files/73426325656.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/porametudizufafububat.pdfIn PDF document text
- http://makinsushi.com/uploads/files/gidijitinaf.pdfIn PDF document text
- http://moonlightmontessori.com/upload/files/17611286383.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_off0000d871.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD871 | 10528 bytes |
SHA-256: 51c43726db9010caf3c34385dd8e58a00a815faad77315b0aa423ac30cbb761b |
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font_01_sfnt_off0000f02d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001083f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1083F | 17456 bytes |
SHA-256: f63d535cce541ad5e3670731c8d040a46568635feb41206ec75639e3b318cfab |
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