MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links to external websites, many of which are hosted on compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the structure and URL patterns are consistent with PDF-based phishing lures.
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://garglob.ru/uplcv?utm_term=modern+operating+systems+4th+edition+pdf PDF link annotation
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc9ad952db---puzipikijadararusas.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160c3fdcca8504---memagodurowed.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6ce17a451---55955639319.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160accd7907768---39599689587.pdfIn PDF document text
- http://zabradli-znerezu.cz/userfiles/file/85212987772.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ade644abc---13485304182.pdfIn PDF document text
- http://vo23.ru/upload/file/86377048386.pdfIn PDF document text
- https://jairdefreitas.com/ckfinder/userfiles/files/84711338496.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/n7lg8abmgg3banfdd8crmophcr/94652476926.pdfIn PDF document text
- http://humanitool.ru/userfiles/file/90845361746.pdfIn PDF document text
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/de55ee0b86238549b464483ac59a7e0b/jiwivokisefima.pdfIn PDF document text
- https://stdtekstil.com/upload/ckfinder/files/kalajozegapufiwo.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/89dc875ffc1ed5d69cfb16721c2eb440/1628490121.pdfIn PDF document text
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b04190ec8dc---nagowupot.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609a39951a6e7---68669093763.pdfIn PDF document text
- http://akgikorea.com/file_upload/fck_upfile/file/zulafobaruzuvat.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_off0000f47e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF47E | 5616 bytes |
SHA-256: 42997102f296ed81782b194430baabc0bf6ed20489919fb9878b271ef2e72990 |
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font_01_sfnt_off0001078b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1078B | 11480 bytes |
SHA-256: a1f970abd48bf8d69da9e1026e779f83f732a03d052cbfa9c9039443e9ea9e79 |
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