MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites. These sites host PDF files, suggesting a phishing or malware distribution campaign. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://wastran.ru/uplcv?utm_term=put+two+pdf+into+one
- https://www.basur-tedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f07ef7d64b---53899917439.pdf
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160757c93ecb1d---sijazara.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/3e5c26dcd5ee4bffdc058835a742fdc1/metojad.pdf
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/ff89fee36d3d392287ef635a661e082e/vavuzisukagepibunedagas.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce014ab017---zezapebufetobux.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608027e6d2752---leninebutukof.pdf
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609901fccbfc0---wizomalokedoresimunavam.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/6og7p0jfhd0a16feopr8ot9lb5/lenegozoguxudimaler.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074f7e1b6388---7349882687.pdf
- https://datawire.gr/files/files/bawipefe.pdf
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/jear92rnqaj3auvqs29fgjm82t/rijumodafobolewebuk.pdf
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/a504270b249d13466b2eaa281a620f7d/fevovamox.pdf
- http://salon-urody-bellis.pl/images/file/53302948281.pdf
- http://somsit.com/ckfinder/userfiles/files/menovuraxavikab.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd4741a490---73005187292.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/jrvu21qka3afqvvvq8c9p3eqaf/52928653441.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c50fabbc1e5---lijaforebelafuza.pdf
- https://ferado.vn/userfiles/file/bowugegejamupefusopiso.pdf
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/65388104073.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16085ac8610ac8---8600481967.pdf
- http://akinmedikal.com/uploads/file/84509705703.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/vepq1jjd8b0t587h7op63bi05j/92812621620.pdf
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607918904a5ea---56471233323.pdf
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/5c8r8fp729a0vbhquceqv0j2ho/62392638254.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_off0000f5f9.bin5f18e2e4a97b095d7c8d56db6cf2bd1cac77313dc48fddf4484867c526646764 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5F9 | 19228 bytes |
font_01_sfnt_off00012779.bin3fdec5f531f09d3b04fc132bd03af3edb68ae704759d454805baf477e138590c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12779 | 10200 bytes |
font_02_sfnt_off00013e8a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E8A | 16792 bytes |
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