MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Several heuristics point to the PDF acting as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites. These links likely serve as a distribution point for further malicious content, such as phishing pages or malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://europacreativaeuskadi.eu/files/galeria/files/pilowovodajo.pdf
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613577cb7ea49---53208014486.pdf
- http://ysmenmidwestindia.org/uploads/userfiles/file/file/32993702128.pdf
- http://autoneza.cz/UserFiles/File/74264822996.pdf
- http://tythb.com/uploadfile/files/23111109522.pdf
- http://kronospan-mofa.hu/editor_up/24203767875.pdf
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614733705f6dd---37111041512.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0d1856d10---58312973263.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613a934be4053---73792958734.pdf
- https://pet-fashion.ro/mm/file/240626028.pdf
- http://papaicountrylodge-longstay.com/user_img/files/punurogil.pdf
- http://cuatro-pr.org/sites/default/files/file/70629357805.pdf
- http://oa30us.com/userfiles/file/50208123668.pdf
- https://limsurempat.com/contents/files/julobobizixelavutig.pdf
- https://braveathlete.net/geektic/files/jozumisolafupedidi.pdf
- https://prestinireedcorp.com/userfiles/files/rigefejuzuxikepamewuf.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613dea507de1d---fovipexuwe.pdf
- http://udokutscher.de/gfx/userfiles/files/40042161568.pdf
- https://tectrongim.com/uploads/files/jemabumuxud.pdf
- https://ph2020.org/ckfinder/userfiles/files/marulotajupatemelimag.pdf
- http://cbgnfinance.com/userfiles/file/vivawetagowazukabezefuw.pdf
- http://nikacarpet.nikacarpet.com/My_Project/Hamishe_bahar/ahar_img/files/22969767009.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c689519abe---82166738745.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=watch+a+quiet+place+part+ii
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c825.bin1d7ad6392cfe39aba85373f6623c86fb84ce4834b3948506bbbca65ac0e9c7e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC825 | 10320 bytes |
font_01_sfnt_off0000df87.binc7114ed99ae1e9131a17c62fb1e3cd12df3b92b1477370c970b80fc09496a48f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF87 | 16640 bytes |
font_02_sfnt_off00010a76.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A76 | 16792 bytes |
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