MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to obscure malicious destinations. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. While no scripts were directly extracted, the PDF structure and heuristic firings suggest it's part of a phishing campaign, likely delivered as an attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 http://kemenyseprosiklos.hu/upload/file/tavule.pdf In PDF document text
- https://groupekineconcept.com/userfiles/file/69427126656.pdfIn PDF document text
- http://bloodfaces.de/attachment/file/62961041933.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/511a015f8858a991be7b77fdfb5ece1b/91431061441.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/a6f99a3a9c93a072206713fbbadf7c52/sepuvepijatizesatepim.pdfIn PDF document text
- http://ciarajewellery.com/editor_upload/file/35694805524.pdfIn PDF document text
- https://mimpishio2bet.com/contents/files/samabenu.pdfIn PDF document text
- http://kramor.bg/userfiles/file/didazetujenalugokikudadi.pdfIn PDF document text
- https://pbchistoryonline.org/uploads/file/11012903942.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16081b62698354---vowovudituduto.pdfIn PDF document text
- http://naoshima-tours.com/images/blog/file/46196965725.pdfIn PDF document text
- http://adria-ex.com/images/blog//file/99648015653.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/907c8e719e4473505f61e55baa175a03/lupijilow.pdfIn PDF document text
- http://dvarenda.ru/upload/file/kusug.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089c7d1ac5cf---kujilemiwizuxuxitotosuled.pdfIn PDF document text
- http://transcash.com/ci/userfiles/files/56652220744.pdfIn PDF document text
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/f478d3a26e34a3b0aae13f7f0738de6c/zexupadutujig.pdfIn PDF document text
- http://avsa.org/sites/default/files/images/files/vinigumowewufapujulel.pdfIn PDF document text
- https://bakwanudang.com/contents//files/mokijikiriwemarewug.pdfIn PDF document text
- http://terezmisszio.eu/files/file/22495519192.pdfIn PDF document text
- http://abwingsva.com/uploads/files/54207776231.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=driving+theory+test+road+signs+pdfPDF link annotation
- 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_off0000c27d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC27D | 10912 bytes |
SHA-256: 2c7b8ceead1572b66a3871b96931815506ba8893988fd6d0044090c542242893 |
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font_01_sfnt_off0000db85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB85 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f397.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF397 | 16928 bytes |
SHA-256: 9674cebf710252149ee1a3d2fe4e3e0ec1fe351333ab85479b0bb31e39c8084d |
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