MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://crysiq.ru/uplcv?utm_term=how+to+draw+anime+cat+girl
- http://mdsalon.ru/img/lib/file/60966474340.pdf
- http://anvlaw.com/userfiles/file/18343949023.pdf
- http://greece-ex.com/images/blog//file/dagaxekarij.pdf
- https://musikkursus.dk/userfiles/file/77005113369.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098551624390---90321964097.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0e1460dade---vupinezukevaxuz.pdf
- http://cestovni-postylka.eu/userfiles/file/43005351375.pdf
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/sutuwoxitewewukowawe.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c493f8a1e8b---15764034813.pdf
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/lln8ldcbakdfeu3ae9tm47t234/samojaf.pdf
- https://daquin-ferriere.fr/userfiles/file/85973330660.pdf
- http://land89.com/ckupload/files/65293123196.pdf
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/3921352e233a783db10d8e8d2e6b9c3e/63137351977.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a2731f5a5fa---90755098056.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1608171272b01e---36422778134.pdf
- http://aaaexpressac.com/userfiles/file/69043406561.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/l0rmt4j94i76a2gv88ssfao5pp/fawujipiralotilezorit.pdf
- http://alimentosldm.com/userfiles/file/sarelolakiwojoxenib.pdf
- https://ascinfratech.com/clientprojects/trading/file/balilad.pdf
- https://dadesigning.com/daduserfiles/files/1279852788.pdf
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b1f0dc7c3---1571492292.pdf
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/cede3a1ca5b1147ddd463de37a2532d8/xebasegogimobewogali.pdf
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c92b66656b2---xuwapilop.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607692b2a400f---71230695649.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ad95d9bba40---jisafi.pdf
- https://betenagro.com/sites/default/files/file/buwilorumafuzobu.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fea9f32cdd---40686817091.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f49f.bind47d9cf2c5892f60d00cad186e31dd8292cd4cd36661ac753db3b3158bab1b54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF49F | 10624 bytes |
font_01_sfnt_off00010caa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CAA | 16792 bytes |
font_02_sfnt_off000124bc.bin08fd91a4dd5c41641f128687d29ecfd03760e56d4c8072b5372640dcc18602cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124BC | 17192 bytes |
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