MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous URLs pointing to compromised WordPress sites and other domains, forming a link farm. These links likely serve as redirects to phishing pages or malware download sites, indicating a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613460ab38910---seleguze.pdf In PDF document text
- https://macintosh-szerviz-javitas.nuttydog.hu/ckfinder/userfiles/files/95101001982.pdfIn PDF document text
- https://watertorens.nl/userfiles/file/17438310584.pdfIn PDF document text
- https://ruxthai-guesthouse-chiangmai.com/ckfinder/userfiles/files/61899924678.pdfIn PDF document text
- https://gosselindesign.com/images/from_fckeditor/fichiers/revuderutefilode.pdfIn PDF document text
- http://domoticasociale.it/immaginiNewsletter/file/73609332977.pdfIn PDF document text
- https://selispin.com/calisma2/files/uploads/34118203840.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135704e60845---mutapilatavofotojibob.pdfIn PDF document text
- http://uticachemical.com/files/upload/files/65994161794.pdfIn PDF document text
- https://afgventuregroup.com/cfiles/file/78377215149.pdfIn PDF document text
- http://librojuridico.com/aym_images/files/vawomezabebifag.pdfIn PDF document text
- http://lblussana.it/images/file/tekifofazi.pdfIn PDF document text
- http://topbuild.net/content/xuploadimages/file/31959407542.pdfIn PDF document text
- https://parfumzone.ro/files/file/34276848780.pdfIn PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161326b9807e61---28775864925.pdfIn PDF document text
- http://nakakinpump.kr/fckeditor/upload/file/79540574216.pdfIn PDF document text
- http://parentini.it/userfiles/files/baponupukipaxaloki.pdfIn PDF document text
- http://urbanposthotel.com/admin/ckfinder/userfiles/files/fideselobumixu.pdfIn PDF document text
- http://deleersnijder-bocaege.be/images/file/zinevizomagosulikerozile.pdfIn PDF document text
- http://falconfam.com/ckfinder/userfiles/files/kuvazunidunopuvo.pdfIn PDF document text
- https://b2b-intelligence.it/uploads/file/34071952209.pdfIn PDF document text
- http://lnhaihui.com/userfiles/file/20210905020403_505198591.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=different+version+of+android+operating+systemPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e20f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE20F | 17356 bytes |
SHA-256: 68c830e4b7678386dae6cc99ed21701a528031bc713edd7e66851c7e1cc9b73d |
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font_01_sfnt_off00010ebf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EBF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000126d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126D6 | 10976 bytes |
SHA-256: f78d56fdf5314bbb495e4a11cb42643779d09d6e8ce260b8691f83e991c063c8 |
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