MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many hosted on compromised WordPress sites, indicating a link farm or redirection scheme. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm its malicious nature, likely as a phishing or redirection lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d237539d541---97911274345.pdf
- http://immopolignano.lu/images/maxofezivowekoxiduligosa.pdf
- http://longvu.vn/Images_upload/files/memom.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a7bab364c19---nikowekaguroza.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609edae8ef946---pomepudowu.pdf
- http://mariopresto.pl/userfiles/file/77883012282.pdf
- http://eprdel.cz/userfiles/file/gisodumobov.pdf
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/k03h4dii9eu29dgmpncpvvfar4/80808718832.pdf
- http://www.frank-diagn.hu/userfiles/files/waxim.pdf
- http://phelieuviethung.vn/upload/files/jugemiwilopevizijatil.pdf
- https://digireg.nz/upload/supaganowuwelusunigigusox.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b82c1d2d9ca---kuvomuwapig.pdf
- http://beijingxinzhi.com/userfiles/file/20210515072437_323876757.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c46fb64da---4308106980.pdf
- https://metricgroup.it/uploads/file/zilejexupikefijivarusel.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac06ab398a7---bumug.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160777dcb7ac98---zapinelewupofuvipadirapo.pdf
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/ff2029232f30d9e7a63e7de0eae92b32/23799879493.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c3aa7c41f---62943887398.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607239d3ad24d---5917288567.pdf
- http://cravaluos.com/ckfinder/userfiles/files/nuwegadaxazadon.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7463ce681a---dupubodukojanomavowowaz.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=sanskrit+grammar+pdf+for+class+7
- 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_off0000c4f3.binef038f151c3971b0077efd4fa3088071bdb343929ac024221a4811e9f9362ba1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4F3 | 16812 bytes |
font_01_sfnt_off0000f01b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF01B | 16792 bytes |
font_02_sfnt_off00010832.binf1f5e2690d56cd4ba6905a20cfcab4c6aa546926706a734c7e2f2fa940a97da6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10832 | 11048 bytes |
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