MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as a phishing trojan. The document contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://ketchas.ru/uplcv?utm_term=declarative+interrogative+imperative+and+exclamatory PDF link annotation
- https://izr.fr/files/pepowuboleni.pdfIn PDF document text
- https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/22e473750cd865cd9a33a94866527315/marova.pdfIn PDF document text
- https://textolinguisticsolutions.com/upload/editor/file/97288696720.pdfIn PDF document text
- http://animalscipublisher.com/files/upfiles/file/2912138692.pdfIn PDF document text
- http://wjcopy.com/upload/files/49722072284.pdfIn PDF document text
- https://estudiowebcolombia.com/ckfinder/userfiles/files/28344689808.pdfIn PDF document text
- https://elmaga.lt/components/com_mijoshop/opencart/image/data/files/tevatorebiwelowazakevolaj.pdfIn PDF document text
- http://spl-designs.com/ckfinder/userfiles/files/31784217015.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/fadukebadezuxiz.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4c5d783d1---22268558518.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/826e21d40f222baa5b1cfa03f3696a06/sewulaloviderelexeruwonos.pdfIn PDF document text
- http://starinviter.com/ckimagefiles/55517111194.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f45816c32a3---nelufijolur.pdfIn PDF document text
- http://aloisiquadri.it/userfiles/files/fawedukedumariwozo.pdfIn PDF document text
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/ba2298b0068d844790b84c7110604917/862171072.pdfIn PDF document text
- https://relans-nn.ru/images/docs/file/muxudo.pdfIn PDF document text
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/6551654ae6b1f0b2e39cdd2aa5da0c5a/45198278809.pdfIn PDF document text
- https://kovosluzba-praha.cz/res/file/28292743102.pdfIn PDF document text
- http://pm-property.pl/userfiles/file/71844857390.pdfIn PDF document text
- http://kmkonsult.cz/userfiles/file/bekenoxenevu.pdfIn PDF document text
- https://akgoz.zemta.com/uploads/files/38895750184.pdfIn PDF document text
- http://venusland.vn/app/webroot/img/files/vunepazevanotoworupux.pdfIn PDF document text
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/24699849092.pdfIn PDF document text
- http://skrabl.pl/www/rpbd/fck/file/kalakulodovizorakavubin.pdfIn PDF document text
- http://halaljones.com/uploads/files/zixusuzadixeworogatalifav.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_off0000e085.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE085 | 17256 bytes |
SHA-256: a6bb865c8f5be90b03b1a5740fc2932e7821e0d5ea4eed8cf200db31392999c5 |
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font_01_sfnt_off00010d1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D1D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012534.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12534 | 10972 bytes |
SHA-256: 28f0a8e410d70f250ea34aaef7dbd1a26b33b021475bf799de2d1597f160433f |
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