MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest the PDF's purpose is to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://catamma.ru/uplcv?utm_term=android+paint+apk PDF link annotation
- https://livredart.com/ckfinder/userfiles/files/17692978352.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16142e4ad73987---60442132452.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/172a73c80820169b79f7c77f8af02561/dugux.pdfIn PDF document text
- http://tgtech-auto.com/userfiles/file/6935813957.pdfIn PDF document text
- http://fese.in/ienupdimages/images/files/moxapivo.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/6d40eoftbhb92ure5lku00r2ga/noronibinaf.pdfIn PDF document text
- https://eklyps.net/images/file/logavosexamis.pdfIn PDF document text
- http://eluvial.com/sites/all/sites/eluvial.com/files/gibavipifizegumifedukoge.pdfIn PDF document text
- https://gotoko.com/cmsv2/upload/files/banenimasiponag.pdfIn PDF document text
- https://safetypadlocks.eu/eurostyl/photos/file/mupoxokupanu.pdfIn PDF document text
- https://zerling.eu/nico/images/files/88982150486.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133c7889185f---3134886768.pdfIn PDF document text
- https://gosselindesign.com/images/from_fckeditor/fichiers/9535730210.pdfIn PDF document text
- http://pass38.com/images/contentimages/files/fadelax.pdfIn PDF document text
- https://rrhh.fronteraliving.com/imagenes/contenidos/files/lemidunegekimadateravuxe.pdfIn PDF document text
- http://niestachow.pl/data/aktualnosci_imgs/file/naxevikidevokivolifogomos.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed1f583014---33738809153.pdfIn PDF document text
- http://kapfenberger-schuetzenverein.at/userfiles/file/92632002444.pdfIn PDF document text
- http://cesarrodarte.com/userfiles/file/bemixememajumolug.pdfIn PDF document text
- https://mywayrtk.com/userfiles/file/sunumujitus.pdfIn PDF document text
- http://vilniausgreziniai.lt/userfiles/file/pidujuserozewufaziv.pdfIn PDF document text
- http://ingpoggi.eu/userfiles/files/kijugeguxuzuf.pdfIn PDF document text
- http://benly-carson.com/product/files/xizabedoxig.pdfIn PDF document text
- https://hotelharmika.com/assets/userfiles/files/3992007331.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_off0000b495.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB495 | 10112 bytes |
SHA-256: c6985795b4ec74767c9865e2db587d9545f2dd89fbaadfd7106da7de79175343 |
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font_01_sfnt_off0000cb3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e34d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE34D | 16100 bytes |
SHA-256: 276afa72e803fc1bedfaded86a1846b69ad2b7e7d0b07b19a71fc62567f8e7a1 |
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