MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs and is flagged as a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://crysiq.ru/uplcv?utm_term=android+phone+contact+recovery+software PDF link annotation
- http://smirna.pl/files/file/10907312750.pdfIn PDF document text
- http://96rangjai.com/userfiles/file/22506952492.pdfIn PDF document text
- https://atvatextile.com/upload/ckfinder/files/muwulojujevugonemabizujum.pdfIn PDF document text
- http://samafb.org/uploadfilefiles/saxozivi.pdfIn PDF document text
- http://myucmas.com/userfiles/file/sonasukupu.pdfIn PDF document text
- http://alvitraders.com/files/12295860170.pdfIn PDF document text
- https://sokolzgierz.pl/web/uploads/files/bovatabaroteloxalekugikox.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16139df9036e27---13693095646.pdfIn PDF document text
- https://www.abandassociates.com/ckfinder/userfiles/files/64519704875.pdfIn PDF document text
- https://ajansnigde.com/resimler/files/liliwegunowa.pdfIn PDF document text
- http://gr-chem.com/upload/files/80122875050.pdfIn PDF document text
- http://sanraimundo.cl/dyn/uploads/file/33058198931.pdfIn PDF document text
- https://bem-sa.com/img/file/sisizewonodazesafid.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2739451c7---wemikarovetotuz.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/2271cc88f775f7ed4fde35e594d5679b/sutelumifada.pdfIn PDF document text
- http://smsgurugram.com/miet/assets/files/22254844310.pdfIn PDF document text
- https://biharlokmanch.org/userfiles/file/65654199632.pdfIn PDF document text
- http://diagnosticaedilizia.com/userfiles/files/92635764802.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/3f646ab6b757acc41298bad22f14cb2e/buwisuvaguxatoxika.pdfIn PDF document text
- http://ubestsports.com/imager/files/20210902152129.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16147d2899512d---wujokek.pdfIn PDF document text
- http://aqbnb.com/uploadfile/file/14636976702.pdfIn 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://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_off0000d922.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD922 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f139.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF139 | 10916 bytes |
SHA-256: b9166ad93ec6f677819a047a3310256f4c2df05063a2450317ec859550012677 |
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font_02_sfnt_off00010a89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A89 | 17280 bytes |
SHA-256: 69da887542d96daf74e423de4899d2fec0fdd8fdf5729031069bce19ae2ee38b |
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