MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple disposable domains and compromised upload storage, a common tactic for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of numerous unknown URLs suggests a broad attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://paron-rebondir.com/uploads/files/gamewowizodipagaz.pdf In PDF document text
- https://pomacanthe-art.fr/imagebeforeafter/files/tabezovevozowubanoga.pdfIn PDF document text
- http://toshiteriyakiburien.com/uploads/files/85000649347.pdfIn PDF document text
- http://progfin.pl/userfiles/file/36545501796.pdfIn PDF document text
- http://buren-kompanie.de/userfiles/files/87362415905.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/161372381cf41d---34877960282.pdfIn PDF document text
- https://tattica.byespresso.com/app/webroot/files/upload/files/mulovosutitupulaluzijan.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/dowizi.pdfIn PDF document text
- http://firegallery.ru/img/upload/66802651043.pdfIn PDF document text
- http://celcg.pl/uploaded/file/duxipuf.pdfIn PDF document text
- http://zkmeiqi.com/admin/ckfinder/upfile/files/nofulaxixukukakutexuv.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/igofupowukanura.pdfIn PDF document text
- https://adtw1.com/ckfinder/userfiles/files/gidujebomobepowarofi.pdfIn PDF document text
- http://wenxuezj.com/images/File/32370090783.pdfIn PDF document text
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/90658270868.pdfIn PDF document text
- https://genia-groupe.fr/images/files/58415685526.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/tilexamu.pdfIn PDF document text
- http://dulwichtaxi.com/survey/userfiles/files/6953423095.pdfIn PDF document text
- https://globalcareerclub.com/FCKeditor/userfiles/file/72851480094.pdfIn PDF document text
- http://hzzxtl.com/UploadFile/file/20210912050337426.pdfIn PDF document text
- https://hoangvan.vn/wp-content/uploads/files/62346337242.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613897887f393---ripazixopabelajakat.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/gvua9untd6f30iom0r4q36s767/18621863260.pdfIn PDF document text
- http://school15-tyumen.ru/f/16220753996.pdfIn PDF document text
- https://ckfinder.pamlskovnik.cz/ckfinder/userfiles/files/34118448124.pdfIn PDF document text
- http://les-dvorik.ru/userfiles/file/xikalenige.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+save+document+as+pdf+on+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_off0000b36b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB36B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB82 | 10976 bytes |
SHA-256: c5e46283effb533ce5434ac20c59de20b5561585921bdea8dde55e162df29f79 |
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font_02_sfnt_off0000e4f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4F9 | 14540 bytes |
SHA-256: f8864802b7f669b363dfccd43fe81e2ce86b16b73dd3ca601d0a6d7c32328ef6 |
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