MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that point to various websites, many of which are hosting other PDF files. This structure is indicative of a link farm designed to distribute malicious content or conduct phishing operations. The ClamAV detection and ML classifier strongly support its malicious nature, classifying it as a phishing trojan.
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=optical+illusion+wallpaper+for+android PDF link annotation
- http://quetthe.com/upload/files/42284718320.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b84610d6bf---61246092526.pdfIn PDF document text
- http://sinners-party.de/media/file/gizesanuba.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa922a123d---dodabelewupoxofewo.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/3f5ae0cc29b1a2b48d11533a755f749c/369989584.pdfIn PDF document text
- http://bbbo.handyfriendship.com/upload/files/jakag.pdfIn PDF document text
- http://104408017.linker.tw/files/55930514211.pdfIn PDF document text
- https://nepalonetours.com/userfiles/files/16972445272.pdfIn PDF document text
- http://bsp-oblspl.org/ckfinder/userfiles/files/xarunaxad.pdfIn PDF document text
- http://gimnazjum-krasiczyn.pl/img/userfiles/file/novugilizerozam.pdfIn PDF document text
- https://hgindustrial.eu/userfiles/files/gaxakemoze.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16138e9ef78305---69825749653.pdfIn PDF document text
- http://buddhavehicle.com/userfiles/file/dunerigipoxemagumov.pdfIn PDF document text
- http://aucontecnologia.com/userfiles/files/pomijidagixibofefogopez.pdfIn PDF document text
- http://xn--80aadcnaeutgftohcogh8i8dsc.xn--p1ai/pict/file/15972857414.pdfIn PDF document text
- https://fenixfalt.com/userfiles/file/gemifov.pdfIn PDF document text
- http://wonderful-foods.net/userfiles/file/16696649069.pdfIn PDF document text
- https://kettosallampolgarsag.net/imagini_ws/8252313008.pdfIn PDF document text
- https://akvaguru.hu/user/file/28836062418.pdfIn PDF document text
- https://manusingh.org/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/76051406872.pdfIn PDF document text
- http://mabifitness.it/userfiles/files/7841970104.pdfIn PDF document text
- https://servauto.fr/img/user/file/46845025355.pdfIn PDF document text
- http://infoegrafica.com/userfiles/files/rotux.pdfIn PDF document text
- http://1544-7419.net/upload/fckeditor/file/jafiboxop.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_off0000b2a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cab4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAB4 | 15808 bytes |
SHA-256: 064a845e5d91841e93d2c69ce8500125b0334faf7664c082c5cca2b0e51a85c2 |
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font_02_sfnt_off0000f277.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF277 | 10824 bytes |
SHA-256: 8cd34ff6e3fa03f1c1a116789850f2c21c8c62c18032611ae5f5796e3684e2f6 |
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