MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external URIs and link farms pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious document designed to lure users to external, potentially harmful, resources.
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://laborke.ru/uplcv?utm_term=software+architecture+design+pdf PDF link annotation
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf41f9b0b6e---9299716657.pdfIn PDF document text
- http://dtpokebar.com/uploads/files/fimowujipodenupajujinur.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/11bii2s99so3idsrlfl6ubsvcb/juminafudegojavigujoroxap.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/813354cf35c551ce257ded17c4bc2c3a/lepovutodukivofipajitix.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/75919973726.pdfIn PDF document text
- http://jiehuist.com/userfiles/files/tipobuwerazof.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/c0c6431a386eed969f6b56149a81749b/96784915998.pdfIn PDF document text
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/f905a1ec15055318f0a1c9dd5a43ef81/jefarerijugegobab.pdfIn PDF document text
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/0acea950f8ba971250e5fbc4ec02d55c/xoninusufupuxefo.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/c05ac09770636a463228093ae381a75f/fenozirusepigumimipox.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/712e377358ed6eee45abc0f80f83559b/xezoxudujin.pdfIn PDF document text
- http://alliance-ic.ru/uploads/file/14563924843.pdfIn PDF document text
- https://stiff.pl/ckfinder/userfiles/files/98766564818.pdfIn PDF document text
- http://dancephoto.ru/userfiles/files/vejomopu.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160961157afa84---ruxesikutakimuvufofej.pdfIn PDF document text
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/a1af745e319d0ed4bd8925b70631f6b7/wikafukuvatemasavo.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_off0000f80f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF80F | 5580 bytes |
SHA-256: fba2954bc6aaa32bf8320e1e0b307b9ba41e9bc34d65f8cadfe2bb4e8fce35b1 |
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font_01_sfnt_off00010b20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B20 | 11068 bytes |
SHA-256: 1d3dfe89130a5d549c8ecd469717d5d670e84faa660c3a938656a32db2e37568 |
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