MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The presence of numerous unknown URLs suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613726e426836---45670555604.pdf In PDF document text
- https://osikovo.eu/webroot/img/content/files/nopotoxu.pdfIn PDF document text
- https://badeluxe.com/userfiles/files/7757197101.pdfIn PDF document text
- https://argekaucuk.com/nbg/upload/files/fafapifakivinujotupegudow.pdfIn PDF document text
- http://veterinariogiardinelli.it/userfiles/files/kejafovezuxawivegi.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210910050402.pdfIn PDF document text
- https://www.passion-rnd.com/upfile/files/2021/09/02/tebonil.pdfIn PDF document text
- http://synphabase.ch/upload/file/2702014305.pdfIn PDF document text
- http://bckbytow.naszbip.pl/img/upload/files/41143324937.pdfIn PDF document text
- https://resttour.com/images/userfiles/files/24036713001.pdfIn PDF document text
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/mapuduxuzatimeti.pdfIn PDF document text
- https://giraffeng.net/infodaily/gen-ckfinder/userfiles/files/61160492886.pdfIn PDF document text
- http://gs-metals.com/filespath/files/20210911220632.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/dv55urnbbljjdjn49u79jq30i0/93966153625.pdfIn PDF document text
- http://35ju.21tg.cn/uploadfile/ckeditor/files/80280074542.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/towewidutebukijose.pdfIn PDF document text
- http://www.vinoplaza.nl/img/upload/files/vakonoba.pdfIn PDF document text
- http://uptownfallschurch.com/uploads/files/nubatonijiguzudijefi.pdfIn PDF document text
- https://n-zvuk.ru/upload/file/repumigufilupabebolil.pdfIn PDF document text
- http://belean.pl/userfiles/file/63416175620.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8f446807a---xosinipifadegebasewafibu.pdfIn PDF document text
- https://hexema.com/FCKeditor/file/59960639080.pdfIn PDF document text
- http://fabiocaronearchitetto.com/userfiles/files/gusakas.pdfIn PDF document text
- http://meandnetworking.com/ckfinder/userfiles/files/20529235304.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=lesbian+porn+games+androidPDF 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_off0000d022.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD022 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e839.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE839 | 10688 bytes |
SHA-256: 5f80258d6b902ab35914ab44d7a3cb6ead9b7adaa84b2be6328803ba3f52dab0 |
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font_02_sfnt_off0001003f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1003F | 16440 bytes |
SHA-256: ac9d7ff7374e8dba8f27944a337d59d9471b3ab6bce3d41b19dc2482b8c8922c |
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