MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm used for phishing or malware distribution. The PDF structure and embedded links are consistent with a spearphishing attachment used to redirect victims to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://oniceh.ru/uplcv?utm_term=reflective+journal+format+pdf PDF link annotation
- http://dothi.info/images/files/84250917938.pdfIn PDF document text
- https://bednidhitraders.com/userfiles/file/89648811840.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161251bfcd78f8---morotewuj.pdfIn PDF document text
- http://bangdientunhk.com/upload/files/26665872238.pdfIn PDF document text
- http://ingore.cn/upload/files/58126371554.pdfIn PDF document text
- http://magnachip.cn/userfiles/file/20210513073258.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9627f7c07c---92641039729.pdfIn PDF document text
- http://weberstellen.ch/userfiles/file/vezipovoso.pdfIn PDF document text
- https://lapalettedesarts.fr/gestion/file/taxogizotefekilisuvosomof.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/5mrkg99uga4mth55aqjgfsirm3/fojapurebadexevode.pdfIn PDF document text
- http://npas.ru/pic/file/wejufotodutojevefasinip.pdfIn PDF document text
- http://0851gay.org/userfiles/202107file/2021071709550270554.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086b6f89cef9---89213714212.pdfIn PDF document text
- http://aftckwt.com/uploads/file/88863108620.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/l7kqg8n4i2d51aqr2kfak1sesm/8273327135.pdfIn PDF document text
- https://fonixkoncert.hu/upload/file/maxuxogaxilokukeliwuvono.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/sutepikinibu.pdfIn PDF document text
- https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/9aaafe69e45d0cc88973514f445ffc8b/91505373395.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/af7cc34797601875ed5286ca26190551/5999695617.pdfIn PDF document text
- http://quangcaosms.org/media/ftp/file/porumipukot.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_off0000d836.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD836 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f048.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF048 | 17516 bytes |
SHA-256: a93ca7450173a565150d169cd5ba06aebcf661af0914f810c45f62f708bf2058 |
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font_02_sfnt_off00011d4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D4C | 10952 bytes |
SHA-256: 9d08a8e134cc9fc2aab9998779296af5e561a9b67e76b3d1acdff32429800aec |
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