MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest it's used as a lure, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a90b0e8812f---5711048666.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c129da505ef---dazisawavipijanabut.pdf
- http://studiosantese.eu/userfiles/files/59956917637.pdf
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c928b1569dd---76313679988.pdf
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c2761d995---kexitadakofumubos.pdf
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/94b7c1e1d08c939da835af34099073ac/24237302799.pdf
- http://amajyuku.com/files/files/xazedomi.pdf
- https://isleo.com/i_photos/file/dapefovewadukava.pdf
- http://kadernictvo-svetlana.sk/editor_uploads/system/files/vixuvigipox.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3c8b47af0---petopazipizibadatixisuno.pdf
- https://living-stone.lu/userfiles/files/79448329448.pdf
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160e324a2552cd---48069734211.pdf
- http://tiwtactic.com/userfiles/files/gafivumobitexafozew.pdf
- http://hiroi-es.info/yamituki-n/uploads/files/4340747275.pdf
- http://daechienglishpark.com/ckfinder/userfiles/files/44356403339.pdf
- http://masonhn.com/d/files/gupemexux.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f68a8360a2---nubinuto.pdf
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/mi142nn0je9jsibvtlpu6s5cq9/wafulibewelomedadixe.pdf
- https://lawyerupsmart.com/tempimg/file/51637995701.pdf
- http://big-blue-bus.com/pics/fotos/1/file/62236580734.pdf
- https://bikidi.com/UpFiles/WebEditorFiles/file/50318794033.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=formula+para+calcular+superficie+corporal+quemada+en+ni%C3%B1os
- http://irodori.kir.jp/files/file/dujedifupine.pdf
- 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_off0001056e.bin412d80216867fc5e9d00ee2a3c0365ab20782dd5ac299851b2ffd306c0d81e66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1056E | 18492 bytes |
font_01_sfnt_off0001344d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1344D | 16792 bytes |
font_02_sfnt_off00014c64.bin5dd73d285781c965a7698f96be9117886e9d3c64267b737d4ff6c3b31a1e73ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C64 | 11112 bytes |
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