MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF-specific heuristics like PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM strongly suggests the PDF's primary function is to act as a lure to these external sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://crewmak.ru/uplcv?utm_term=newspaper+today+in+english+pdf
- https://terminal.hr/userfiles/file/mawulogepo.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e5bf53c5b1---40802251986.pdf
- http://www.kymenhome-etsinta.net/tiedostot/files/41692282680.pdf
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086edea274c0---91890638703.pdf
- http://amdind.com/userfiles/file/94221799791.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae704c57d88---gusiso.pdf
- http://viprealestatebrokers.com/userfiles/files/99978953126.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/3gshbvucjia916po93cfecr3ad/xiwazagakew.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/gj4re175qctvoskcchmi0u8m7s/lutixaguzitom.pdf
- http://nextgt.eu/uploads/file/govatugawajanajotawefi.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608fbfd3e9106---pejowomegepudeka.pdf
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/d0b5199202f3fa0bd49d82e449c62ed2/98000570752.pdf
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/0eef456f53fcfeb2963fb007d440e90f/92420700781.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/06b4c0e591f05c079b0f95f99f83f333/tixogorituzat.pdf
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080929ce3543---12127577189.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096746c973ed---50974062405.pdf
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/d93429d16131deb3be15c5a2264dab00/noxasebirunokutopix.pdf
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/f13f9261161170459edb693f5a5eb933/36650656656.pdf
- https://blindnow.com/userfiles/file/11747716143.pdf
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfce74f924---92839345965.pdf
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/5ff7241300a2151c443067999a232bef/vibak.pdf
- http://huiking.cn/uploads/file/141010304026.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a872eb2dba8---50861303404.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_off0000f9ed.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9ED | 16792 bytes |
font_01_sfnt_off00011204.bin8748ce005a2258b90ae265969bfb4c8d3689c12d8e7e3d5e44c05447a0939028 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11204 | 10952 bytes |
font_02_sfnt_off00012b36.bin106871da65566ea761afc3e8d9b0c9441c2857567678c3f9edc831253d92ff35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B36 | 17144 bytes |
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