MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to numerous external URLs, many hosted on compromised or disposable domains. These links likely serve as a distribution point for further malicious activity, such as phishing or malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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=amazon+kindle+paperwhite+3+user+manual PDF link annotation
- https://hojoairport.com/images/file/kiwunaduwe.pdfIn PDF document text
- http://abpaluso.com/upload/file/zobip.pdfIn PDF document text
- http://bertrandetgastineaudesigners.fr/userfiles/file/rowosarodabedufubarinuzir.pdfIn PDF document text
- https://branchennachweis.eu/userfiles/file/samotibux.pdfIn PDF document text
- https://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/qefj1ql8b9qu40868ni5i64kdm/gatikatovo.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8ade1c8bf---fapewexizipiwul.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/df0ff6d3f826f853339e0c3824a318c2/nibel.pdfIn PDF document text
- http://patp1ryb.ru/media/file/97389989504.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607066e694379---sutezalowe.pdfIn PDF document text
- https://actaviaserica.org/board/file/files/lipodi.pdfIn PDF document text
- http://abwingsbuffalo.com/uploads/files/vinanovofukokegafavodiza.pdfIn PDF document text
- https://lasanisports.com/files/vowujunezeposezazed.pdfIn PDF document text
- https://majubesar.info/contents//files/lawapulefenapude.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5b0faf395---51629475084.pdfIn PDF document text
- https://cape-electronics.com/media/file/zirul.pdfIn PDF document text
- http://gourmethousemacau.com/UploadFilesfile///zexuvidamasosevud.pdfIn PDF document text
- http://polishingmarblefloor.it/userfiles/files/bezepemineti.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609909bc1fdc9---titoratovaj.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1359ac8b5---51832794088.pdfIn PDF document text
- http://norilskgu.ru/userfiles/file/lagukugujasoxateroji.pdfIn PDF document text
- https://intekcanada.com/ckfinder/userfiles/files/42633259144.pdfIn PDF document text
- http://cesishotel.com/res/wysiwyg/file/lifefaririvozetojavu.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/d1122a48b284d43d5aabdf21565e58bb/48560066292.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b75bf7a72fc---jikalikeloxuxije.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_off0000dfce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFCE | 11148 bytes |
SHA-256: 732c42dd495d4c0368d4ad3e9b53a82088cd8208035856af5ed59e412eb02530 |
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font_01_sfnt_off0000f9bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9BF | 17692 bytes |
SHA-256: 40ce21252980ab018d0aa0ebe38ed36b38faa0d86ebcf44dd8b569ebae359412 |
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font_02_sfnt_off0001276d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1276D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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