MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised websites, likely for phishing or malware distribution. The presence of numerous unknown URLs associated with form upload plugins suggests a coordinated effort to host malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/16132671992589---zejotofoziwu.pdf In PDF document text
- https://die-elke.de/cms/elke_page_files/file/30368785814.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/8dc50d6de3f09ba9dea96a27acbd3069/wuraronivewosuzufedok.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1613443206d778---vufixalefosolifapewug.pdfIn PDF document text
- http://www.saletime.gr/admin/fckfiles/file/52942884228.pdfIn PDF document text
- http://bkht.vn/userfiles/file/60643046872.pdfIn PDF document text
- http://raffaelecavazzoni.com/userfiles/files/71477167386.pdfIn PDF document text
- https://jaukiaplinka.lt/ckfinder/userfiles/files/basetezolopamitomovizum.pdfIn PDF document text
- https://www.pirkitpadangas.lt/ckfinder/userfiles/files/kukodiwovof.pdfIn PDF document text
- http://plaschke-partner.com/uploaded/file/47698159707.pdfIn PDF document text
- http://rajhansnursery.com/userfiles/file/lobowananurazafo.pdfIn PDF document text
- http://globalsocialwlefaresummit.com/app/webroot/uploads/ckuploads/files/fulibojakutebosiju.pdfIn PDF document text
- https://dragonexpressml.com/userfiles/files/kofemanevabipitotuj.pdfIn PDF document text
- https://ville-saintleonard.fr/pdf/37733541686.pdfIn PDF document text
- http://dieterheich.de/images/uploads/file/xurofetusiwivaxoraxowafem.pdfIn PDF document text
- http://sdtrafficticketlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/8631218450.pdfIn PDF document text
- http://sprinter-lab.ru/content/File/sowupolik.pdfIn PDF document text
- http://sinching.com/uploadpic/files/202109121958276732.pdfIn PDF document text
- http://kukdae.com/files/fckeditor/file/49700703272.pdfIn PDF document text
- http://phonphangschool.com/upload/files/kurovetaduke.pdfIn PDF document text
- http://trumoi-khutrung.com/upload/files/36249508998.pdfIn PDF document text
- http://malir-naterac.info/UserFiles/File/20654589260.pdfIn PDF document text
- http://ledins.lv/cms/file/64969294098.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=block+ads+in+chrome+mobilePDF 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_off0000e1ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA11 | 18092 bytes |
SHA-256: 1b71950ffae71fb023739505b6a1c9a158396b625ead65f63ce718d84100adae |
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font_02_sfnt_off000128fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128FD | 10820 bytes |
SHA-256: fd21695ce270b8835aa5442f00571e60f993927834de9106020b1ab4396097f9 |
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