MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many pointing to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a phishing lure or a distribution point for further malware. No scripts were extracted, but the presence of numerous external links is a primary indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://huntic.ru/uplcv?utm_term=multiplicaci%C3%B3n+de+fracciones+heterog%C3%A9neas+de+tres+cifras PDF link annotation
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/43230887696.pdfIn PDF document text
- https://lapakunited.com/contents//files/10960488059.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607c022a4df7c---88379479093.pdfIn PDF document text
- http://opusincertum.it/userfiles/files/xowowu.pdfIn PDF document text
- http://griby.biz/ckfinder/userfiles/files/40945495856.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/643b70306c1b00e63af479449e920eb5/nedozirinixubukovubi.pdfIn PDF document text
- http://alpinedelhi.com/userfiles/files/siliferuzulifat.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c76e5bc112e---56665701775.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/5cc7edf4f53f24227270fe153ab44514/98674941432.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/4dc567d6f3087940c459925c2354d4db/4124824919.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/8a929f0c2458c920cb08b44c451b9f6e/fegalavajenoti.pdfIn PDF document text
- https://woodfur.in/userfiles/file/39627424634.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/nl0opu62hlu7peqs2s7hn9bb57/4266254487.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a1d6f0110---sefedod.pdfIn PDF document text
- http://runningrhinelanderrabbitry.com/clients/875187/File/47672292082.pdfIn PDF document text
- http://maihome.hu/admin1/file/gisawalufibinuv.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100f78baca2a---4958776696.pdfIn PDF document text
- http://busanpc1.com/upload/fckeditor/file/34883146752.pdfIn PDF document text
- http://thermogroup.ru/uploads/files/84294674688.pdfIn PDF document text
- http://andersonlawdecorah.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/87145699768.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/tcb6c4kq3p8j9c4n2atekrg8va/zunagipolubeva.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083deb3a8864---vetikojifimepivarigat.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/98b924b81a823017e0b14a041e4acd3b/87317166123.pdfIn PDF document text
- http://getvisa.ru/images/File/sujironegaxeroxuga.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_off0000ee09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE09 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001061b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1061B | 17584 bytes |
SHA-256: fa5dc125ccc55db5c475fabb3f1bbb4ea51795f05254fc4415a5e6be3a352572 |
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font_02_sfnt_off000132f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132F6 | 11284 bytes |
SHA-256: 33d0c0eb801f675ae72bc832a98cbf76b0c63a4b1aca828cf703510dd362f324 |
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