MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating it likely exploits a vulnerability or contains malicious links. The heuristics reveal it functions as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites. The presence of numerous unknown URLs suggests a phishing or credential harvesting attempt, or a distribution point for further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://szyldkj.com/luodan/images/userfiles/file/56776507320.pdf In PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607da2c51885c---mepiwulopo.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/20215121738158364.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/72727788090.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/u9jdjcspntej31i1p73ap06na7/zisuwokubivedetibibije.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/gadarazo.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/b8qvucl9ldarg4iekihp1nocv5/xadunutatevogefumikaporal.pdfIn PDF document text
- http://nelly-design.ru/upload/files/62776547825.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607eeae90cd7b---42846946710.pdfIn PDF document text
- http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/01e8451240d19407127a3fee2dbbc15f/62783630327.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c02ba9bb805---mubojovivelup.pdfIn PDF document text
- https://jokerprod.net/userfiles/file/gasetubabojazovif.pdfIn PDF document text
- https://dailyhondaotomientay.com/upload/files/bixuze.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/d7ae458067487133622b931cfb1547e7/72635437457.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609acc0d28be5---4687923709.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073fe044f553---66352554430.pdfIn PDF document text
- https://rts-wm.com/ckfinder/userfiles/files/12726535261.pdfIn PDF document text
- https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0d43d8b5a---40773693564.pdfIn PDF document text
- https://promobryansk.ru/userfiles/files/batojogonumex.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbe3903a52---11645763939.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce93e4d90b9---96209023547.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/ed2323ed84493b00474a28b9f5724dc0/tanofixorab.pdfIn PDF document text
- https://unosms.us/userfiles/file/41919752373.pdfIn PDF document text
- https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/tcqscap0b4l8o6hhij4d28vk1c/51542793330.pdfIn PDF document text
- http://rjt1.org/upload/files/760283609.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=nora+fatehi+dance+with+terencePDF 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_off0000ec02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC02 | 17136 bytes |
SHA-256: 66192b2795813d637d32442df7b149907886720bb2c9b3ed614a48319a011803 |
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font_01_sfnt_off000118c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118C7 | 10420 bytes |
SHA-256: 69d191bd846679804d6eb6b111c1b60f08c01d6b857d0abba6c34ad72a87502b |
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font_02_sfnt_off00013062.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13062 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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