MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The heuristics suggest it functions as a link farm, directing users to compromised WordPress upload storage and disposable hosting sites. The presence of a 'Macro/content-enable lure' heuristic indicates the document likely attempts to trick the user into enabling content, which would then execute malicious code, possibly a second-stage payload. No scripts were extracted, but the overall structure and heuristic firings point to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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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.trafikyaren.com/wp-content/plugins/super-forms/uploads/php/files/lc4sii8658ljah1ba3n8tn7432/9918738849.pdf
- http://cherriestattoo.com/ckfinder/userfiles/files/14607586718.pdf
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/15cb725dece8ab03771cd01392e77685/mapujejigeti.pdf
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/834fc9613175f4eea1d70f26faa658f9/7839036832.pdf
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/plki1a8kktpvgogj86gp1u6132/ribapof.pdf
- http://musorcentrum.hu/files/article/file/79606036023.pdf
- http://ks4073.com/file_media/file_image/file/10250768435.pdf
- https://securitydm.rs/slicice/file/51808818245.pdf
- http://medica-brno.com/files/5445320264.pdf
- https://alianzatours.com/imagenes/file/kizewawutowumupabokejus.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d8e5e64db---kijoma.pdf
- http://salkim.com/userfiles/file/35052901716.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a0491a74198---lekeremumivajewapivivuj.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16081093d98fef---11855308066.pdf
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/30592081844.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813822c8bf5---bujumazisivonanomezema.pdf
- http://architects-desk.com/uploadsfile/74783348257.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/5fp5v3t5q1k4utuqtu22j9bl9m/jujusasotujelabog.pdf
- http://agataklimowska.pl/userfiles/file/maxubomasofajitefed.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/208606c3d9b5754e56612b5fa5335808/lupojuxuxoxosa.pdf
- https://egf.tw/test2/images/file/nabavidewawovi.pdf
- http://busanpc1.com/upload/fckeditor/file/86762762383.pdf
- https://agrilaui.com/userfiles/file/55942285852.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb207fd4ff9---64801117395.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=pdf+separate+pages+free
- 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_off000101a5.bin0bdc03d48a3665d1e1ea5d17c06f98314d2f3d4df85f6f4597cdd8570ec91252 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101A5 | 17912 bytes |
font_01_sfnt_off00012fd3.bin4eae3f9de5389a85c7292776534fb20f88d2cf520455b77bf5f6087d894a9e91 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FD3 | 10312 bytes |
font_02_sfnt_off00014709.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14709 | 16792 bytes |
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