MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS uploads, suggesting a link farm designed to redirect users to potentially harmful content. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this. No scripts were extracted, but the overall structure points towards a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aab11136c9c---wapodaxokokedubim.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/e1aca9a7c5c18f0cef4af127a1e61765/kipudaninanopakufezol.pdf
- http://noithatdangcap.vn/app/webroot/uploads/files/gekiselo.pdf
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/fe4d1401749b9cdcdb2cf807c019fc7f/losezegesesulajimizopo.pdf
- https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/47763724054.pdf
- http://easyreturn.store/userfiles/file/46386367822.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608fdf777e63c---95141076832.pdf
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160723b932f55f---72434245361.pdf
- http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/pegesodogofaruzono.pdf
- https://meganimal.pt/site/upload/file/294973705.pdf
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vilikekaniw.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731eb8a7dca---93144321812.pdf
- http://willbramephotography.com/31240885594.pdf
- http://security-m.jp/tool/images/file/49041608259.pdf
- http://vietthanhstone.com/images/news/file/24833127381.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aebabd225f4---niwed.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/a32c8afd4bd4825240f55678eabd64c4/52344292769.pdf
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/3f3d45ac2b9008f4c237b7d6108feb63/vevadegukaludokidajofage.pdf
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/ukiq3141snepu91ou9ir1r5ntb/sapux.pdf
- https://prairieroseclothiers.com/FCKeditor/file/823387708.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/259jur2l8g6grv892ij8okuvrd/95537463937.pdf
- http://kcobafl.org/ckfinder/userfiles/files/71625825614.pdf
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/5g34lmaqh1d0ua35e6t60k5ist/vakowiwubaniv.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/a87l7sgk77hd242dd6kqu04482/rakenotomupidezex.pdf
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/f22fe1ddd50f38f8c1b9053e0a49e82f/jasetixazuxaborel.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=the+lady+most+likely+julia+quinn+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_off00010ebd.bin62103bffdf6dcd868675c3b9f96bdefb0744aac4c05cfb44d0724e7a7a5d619b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EBD | 11208 bytes |
font_01_sfnt_off0001288f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1288F | 16792 bytes |
font_02_sfnt_off000140a1.binc21bfaa1ea715d17dae133f3d7392288af4fd244a398955f977e5ee6d886d4e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140A1 | 16488 bytes |
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