MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous 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 indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://smidgel.ru/uplcv?utm_term=look+away+full+movie+download+mp4 PDF link annotation
- https://nffcd.org/userfiles/files/82902251862.pdfIn PDF document text
- http://weddingdove.tw/uploads/files/202109040315072210.pdfIn PDF document text
- https://apteka-wratislavia.pl/halatecza/userfiles/file/jeronibor.pdfIn PDF document text
- http://phanmemerp.vn/attachment/files/xowubibaso.pdfIn PDF document text
- https://granitabrasive.hu/editor_up/zuxafirakig.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d19b6865c3---mirejigupola.pdfIn PDF document text
- http://ergakiland.ru/files/files/22229935415.pdfIn PDF document text
- http://e-photosynthesis.org/userfiles/file/22452847826.pdfIn PDF document text
- http://fertilityupdates.com/userfiles/files/tonatixuxokuf.pdfIn PDF document text
- https://yaslibakicisi.net/userfiles/file/ronuxivomokebaboraj.pdfIn PDF document text
- http://hurtowniagrafit.pl/userfiles/file/24930438683.pdfIn PDF document text
- http://satisfytech.com/ck/upload/files/63302954662.pdfIn PDF document text
- https://ever.dacola.com/upload/files/69388747856.pdfIn PDF document text
- http://quangcaosms.org/media/ftp/file/rufebanozuzujimovowev.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136dcfa3e7fb---zulunasozo.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/17179fea2e36bb90302d43e0b25ce089/mexulojixejizumoriv.pdfIn PDF document text
- http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jabitilizesaba.pdfIn PDF document text
- http://studionegrelli.it/userfiles/files/javisalizopupenedazana.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/f6b8402f8c6bbfb5648695fdcffc1fd6/84774747497.pdfIn PDF document text
- https://santehsevast.ru/userfiles/files/82242047863.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_off0000cfa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFA6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e7bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7BD | 10784 bytes |
SHA-256: 71da2d612ea711808e732c377c6e8538ce23930fda8a8d24188870e3380e75f2 |
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font_02_sfnt_off0001009b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1009B | 17344 bytes |
SHA-256: b26f15498c743f83f4ef7a7b1e6b11832b3c493367ce515697035e741c775af1 |
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