MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms. The presence of numerous unknown URLs suggests a broad distribution or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://www.carrentchiengmai.com/files/50989897022.pdf
- http://allseasonsart.com/uploads/fck_uploads/file/segubuvasopexipa.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160734badeb378---xolotebalizi.pdf
- https://bajrahrs.com/userfiles/file/93572334797.pdf
- https://airbays.com/userfiles/file/83397098368.pdf
- https://classicandcamper.co.uk/wp-content/plugins/super-forms/uploads/php/files/ithph511l043ah3e7b88lmghqi/60242322980.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160747d459155a---97091210248.pdf
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/35202a41a6133e795a5097d332866733/nidolepesuwakigewola.pdf
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/37fb0bfc700280f0e26dbd1157901c79/77315523595.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/f199bd88e1100cf599bcc8e80622fc88/wesaxo.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a107cfd394c---nagabum.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb00235ecd---78428819562.pdf
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/wowasowebuweturisejot.pdf
- https://detskeihriska.eu/ckfinder/userfiles/files/kodevatupiti.pdf
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078485deb589---74098646730.pdf
- https://sharadsangam.org/UserFilesTwo/file/98613537761.pdf
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/541enlfv6ari8dgf7e9o6dcrpv/63022110428.pdf
- http://uniquecharacters.com/upload/files/fazajinefutevoxodabojofof.pdf
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/85a0b6385f79233bc348fb7d51f87111/korijisoz.pdf
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/1909fe49d63593408b8123151ec8f633/6919113223.pdf
- http://vinaktv.com/storage/ckfinder/files/wonugewi.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb6a2e6614e---73540925639.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/83c0b88c23cb4e4cec8e42eae55f492a/15996976363.pdf
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/e0c0fe7ab9a479d5c834654f60293ad7/18017275696.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/05bde4a3c48c4ee4b1311f657b27c465/mojud.pdf
- https://vmwarts.com/ecovic/file/27513357455.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=songs+about+losing+your+grandpa
- 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_off00010ea9.bin91c48ef977f90ae71f527be99d22f4313bb90f89e0f7f16c0c954852a261cbca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EA9 | 10864 bytes |
font_01_sfnt_off00012776.bin42a37a4ef57fdd0048cba0bb4891e9688d7798c16ed74ce31601d1049afc871e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12776 | 17104 bytes |
font_02_sfnt_off000153c9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x153C9 | 16792 bytes |
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