MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains numerous links to external websites, many of which are hosted on disposable domains or appear to be part of a link farm designed to obscure the ultimate destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution via these links. The presence of 'utm_term' parameters suggests tracking or redirection mechanisms common in phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://huntic.ru/uplcv?utm_term=famous+five+11+pdf PDF link annotation
- http://alcantara.cz/data/file/27928801568.pdfIn PDF document text
- https://nnt52.ru/userfiles/file/ruxexidimixa.pdfIn PDF document text
- https://groupunsur4.com/contents/files/nabemeful.pdfIn PDF document text
- http://glina-master.ru/admin/ckfinder/userfiles/files/97056269622.pdfIn PDF document text
- https://sharmtocairo.com/userfiles/files/famewadubizepiratirowur.pdfIn PDF document text
- http://letresorellebio.it/userfiles/files/15406906395.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/fpdp44g0013ht1p620jfrrvhvm/jorigajubezevu.pdfIn PDF document text
- http://daearesort.com/FileData/ckfinder/files/20210918_BFDDF98B286D6FB1.pdfIn PDF document text
- http://ciatic.saintelserver.com/archivos_editor/file/42009284174.pdfIn PDF document text
- http://dajuicebarus.com/uploads/files/24138029278.pdfIn PDF document text
- http://3mfa.com/images/editor/files/rapides.pdfIn PDF document text
- http://theexplorerthai.com/userfiles/files/41884077595.pdfIn PDF document text
- https://macroedunet.com/userfiles/file/tefedujodirewatuli.pdfIn PDF document text
- http://gesht.ru/admin/ckfinder/userfiles/files/mizezikawogoxevugumupuro.pdfIn PDF document text
- http://abwingssuffolk2.com/uploads/files/lizitogemubes.pdfIn PDF document text
- http://formpart.com/upload/ckfinder/files/bapapu.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/637e392b580ba102a2933e4f481076bc/99167340003.pdfIn PDF document text
- http://giteduguedesboires.fr/userfiles/file/nukatuxufa.pdfIn PDF document text
- http://cp-tournament.org/ckfinder/userfiles/files/gubedoji.pdfIn PDF document text
- http://transportdiverse.com/uploads/files/66911154796.pdfIn PDF document text
- http://www.herbertvanderbrugghen.nl/draft/41372149184.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe58fe12c0---dedogujitedatofowinenu.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_off0000b18c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB18C | 10504 bytes |
SHA-256: 887ba840f7384e7e090bc8e04231af6b85957576851426faae89bc91524a21e0 |
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font_01_sfnt_off0000c984.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC984 | 16900 bytes |
SHA-256: 2720d6eb87d09d019072c9ffa1999176e8ce2982b7acb20a8fc2a80ef2a84a46 |
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font_02_sfnt_off0000f433.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF433 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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