MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and ML classifiers indicated a high probability of maliciousness. The document contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish users. No scripts were extracted, but the structure and URL patterns are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://kco.su/userfiles/file/56672916946.pdf In PDF document text
- https://resulgame.com/calisma2/files/uploads/57889397963.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/94780abb827a1c034e6d4482d0f43270/88685845124.pdfIn PDF document text
- https://thingstodobahrain.net/ckfinder/userfiles/files/xelonuwepovapativupa.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613689dadc193---16061103241.pdfIn PDF document text
- https://cambodiadriverservice.com/userfiles/file/50669746148.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/c051aef24779ec76cf6ebdb5549255f3/81402440539.pdfIn PDF document text
- http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/56703727965.pdfIn PDF document text
- http://satakantaresort.com/user_img/files/36578680673.pdfIn PDF document text
- https://doctmcooper.com/userfiles/files/77195492235.pdfIn PDF document text
- https://www.uflo.edu.ar/ckfinder/archivos/documentos/zexeferot.pdfIn PDF document text
- http://gdlejia.com/uploadfile/files/20210903_124454.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/8912782284.pdfIn PDF document text
- https://maintogelonline.info/contents/files/tojosizigegelolos.pdfIn PDF document text
- http://panziofabian.hu/fck_kepek/weraginekopepibar.pdfIn PDF document text
- https://akilanews.com/ckfinder/userfiles/files/95442092400.pdfIn PDF document text
- http://sakesushilakehavasu.com/uploads/files/49992894897.pdfIn PDF document text
- http://netisiletisim.com/guvennet/resimlerfiles/sejubib.pdfIn PDF document text
- https://karpzbeldowa.pl/uploads/userfiles/files/16200008251.pdfIn PDF document text
- http://studiocalderini.it/userfiles/files/21337354450.pdfIn PDF document text
- http://coral-travel66.ru/admin/ckfinder/userfiles/files/10428284127.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/5e9cff9c849a7e09403110f1e550f4fa/segik.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133bbbe4f277---10471801723.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=watch+anime+app+apkPDF 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_off0000c488.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC488 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC9A | 17572 bytes |
SHA-256: cc9600078bff09b3f488cea245064b3ff45fc9aae094498e168824712f4fffcd |
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font_02_sfnt_off00010989.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10989 | 10288 bytes |
SHA-256: add2cfdbb0c02c03f56de4823dba33db8fce269ea393b4f2b42a8745a2f42fee |
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