MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to disposable hosting domains, a common tactic for distributing malware or conducting phishing operations. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the ClamAV detection 'Pdf.Phishing.Trojan-d2528dad23a95d95-10044376-0' strongly indicate malicious intent. The embedded URLs are likely used to redirect users to malicious sites, potentially for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 https://iwistw.com/upload/files/xodim.pdf In PDF document text
- http://triple-a.co.th/ckfinder/userfiles/files/97323421473.pdfIn PDF document text
- http://mauthietkedep.info/upload/files/zixinenegunexelifajofi.pdfIn PDF document text
- http://xn--80aaaaadfwa5aftjhxrkcrg8iwc.xn--p1ai/pict/file/12330434879.pdfIn PDF document text
- http://axiomestates.com/userfiles/file/pinibitu.pdfIn PDF document text
- http://gniortho.com/files/Upload/file/85869205044.pdfIn PDF document text
- http://fluorescent-training.com/file/turosoxozefowosej.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/57277779998.pdfIn PDF document text
- http://inteko-tula.ru/f/file/pirufevesorapevigaxofa.pdfIn PDF document text
- http://e-cluny.cz/UserFiles/file/dilozaresejenuniwid.pdfIn PDF document text
- http://sino-web.net/filespath/files/20210910231520.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16130d2e7a8931---13952827921.pdfIn PDF document text
- https://mallncart.com/userfiles/files/36313959480.pdfIn PDF document text
- http://iburgisidimarsala.eu/userfiles/files/89247462822.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1614119520fe3d---notagesokizanojo.pdfIn PDF document text
- http://miass.realxenon.ru/uploads/files/29099052431.pdfIn PDF document text
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/3eue8rdh6sjgt1qu0vrrd3c9t6/wejupebisegokemujodo.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/37012131380.pdfIn PDF document text
- https://fallahi-sch.com/userfiles/file/mutinakeforiz.pdfIn PDF document text
- http://alituncer.com/userfiles/file/8944874653.pdfIn PDF document text
- https://www.jakketoes.be/ckfinder/userfiles/files/riwowad.pdfIn PDF document text
- http://ankaraeksioglu.com/resimler/files/zupalere.pdfIn PDF document text
- http://zeshengtecphar.com/UploadFiles/FCKeditor/20210925045140.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+recover+password+for+macPDF 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_off0000b2ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2BA | 10684 bytes |
SHA-256: fa2c79e2bcd117de8725b164dda5b65f2459951c112039a3a988d45cc815b520 |
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font_01_sfnt_off0000cb4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB4B | 15148 bytes |
SHA-256: 7ae8f12cf41383ada4917aa0e36bd63f316f4d4a5cdde73cd14a6e4ff7b202b6 |
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font_02_sfnt_off0000f152.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF152 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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