MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a phishing or malware distribution campaign. The presence of PDF-specific heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, pointing to a link farm strategy to obscure the final destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://krisoc.ru/uplcv?utm_term=kedi+the+chosen+one+pdf PDF link annotation
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/f2f5d0d1b1dfdcd7d584a39d55e74fca/fezusidorirewema.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/1kmka01pnokq9hq7r9up8htef0/13476628789.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/d44d22d9bddaa5fb061e57700f5aebb2/68534986741.pdfIn PDF document text
- http://carzip.biz/files/uploads/files/mujoxajosolijemapifotad.pdfIn PDF document text
- http://jiehuist.com/userfiles/files/84248930310.pdfIn PDF document text
- https://alamansyria.com/userfiles/file/gemafa.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/6h400m90osm9iutcm84lp4a1o2/xamenebuxewogixixapu.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/5a014349091f76bce9a14fab895d66f0/jurabunarefixalupogedusor.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/uaio8lbrndutsfjbbh6286icfu/juvalitab.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/22nucqp4uaehqjt2nessual0k8/teveju.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0f10e16011---najofu.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/cab315d67c961fc1a832bff639c63472/xiwotasuwovipipanizola.pdfIn PDF document text
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608daba737bb3---vobidologi.pdfIn PDF document text
- https://timjanen.se/anvandarbilder/53/files/67546514784.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/rofusukopukexakelibafix.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/vegibuvuxamopikuwoxuzovu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cfc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFC0 | 4876 bytes |
SHA-256: d6ba044acaa8d63bc05d8936e46bf4836bc3af5ecbabebf0ab40a9d4a9dcb336 |
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font_01_sfnt_off0000e062.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE062 | 10748 bytes |
SHA-256: 2a6b471c1c49597868c5a07fe2ada08ca55c456627cc121ebc121417845cc0cf |
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