MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://smidgel.ru/uplcv?utm_term=us+naturalization+test+pdf PDF link annotation
- http://mt-filtration.com/uploaded/file/179879578860d20f1eca5b5.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098bf7001403---tifajeburabomigasasuwo.pdfIn PDF document text
- http://geodez.com/pliki/file/57403592718.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875f31d97c8---sikof.pdfIn PDF document text
- https://strategieb2b.ca/userfiles/file/menenefabalebul.pdfIn PDF document text
- http://zvezda-rostov.ru/ckfinder/userfiles/files/16407204020.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/atqg15omn2u3psq8g452i8enr6/zawisezadenik.pdfIn PDF document text
- http://sns.hu/_user/file/xukesezosanijexerukufe.pdfIn PDF document text
- http://microcement.ua/userfiles/file/dipadagonedidu.pdfIn PDF document text
- https://mobiligennari.com/userfiles/file/58983540234.pdfIn PDF document text
- https://www.mnogotrop.com/ckfinder/userfiles/files/56379181151.pdfIn PDF document text
- https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/65194403608.pdfIn PDF document text
- http://hnspkjx.com/d/files/jeduva.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/161205c55a44b6---95672020030.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb64611c776---wuxodevuwememuse.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f02861a8425---51118352470.pdfIn PDF document text
- http://ouhkpthaa.org/userfiles/gasid.pdfIn PDF document text
- http://shreyaghoshal.com/konadnew/userfiles/file/50863737065.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/00acfad76563f235ed3caeb605adba14/83655980637.pdfIn PDF document text
- http://biirbeh.mn/images/content/file/gozizenosiwujejobokebela.pdfIn PDF document text
- http://aqbnb.com/uploadfile/file/80125493820.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_off0000da7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA7B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f292.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF292 | 10656 bytes |
SHA-256: f323c0f1349fe6a4a9b754c7d54f0a6558083d5e741aa17e040073540b246bfa |
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font_02_sfnt_off00010b18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B18 | 17048 bytes |
SHA-256: 92a74f4c48a6cbaccce5c6733d5155bae215385b70f6d2d78deacee2a6af4ae0 |
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