MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a phishing or malware distribution campaign. The PDF structure and embedded links are consistent with techniques used to redirect users to malicious sites.
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://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/0a41403e506bbd48c6c56ffe54cd9236/wiziredoduxofujazu.pdf In PDF document text
- http://www.haztartasigepszakuzlet.hu/pics/file/51446555738.pdfIn PDF document text
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/0b81e9271739c7fa4759d1330705d2b9/xavufibanoke.pdfIn PDF document text
- http://maiodi.com/userfiles/files/32174732095.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be186cb7239---78148607212.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160838310889f9---12441682579.pdfIn PDF document text
- http://kath-kiga-bw.de/bilder/berichte/file/33866258513.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/1cd620966382527eb49b4cd2c7b0a7fb/ravoda.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/e029ccc9cece5108ed88cd9d06fc3ceb/voxijexixezawebolew.pdfIn PDF document text
- http://orgue-chantepie.info/FCKeditor/upload/file/movofefamerotomovejab.pdfIn PDF document text
- http://sooclose.eu/upload/File/11695665701.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc72d43be0d---vajekisuwetogu.pdfIn PDF document text
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/02eedee92ac3edf2de2f586c31bcb6e3/milejererisugasuxite.pdfIn PDF document text
- http://geyikkimya.com/userfiles/upload/file/kasekobemalitaboza.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2c2b20c54---vakafijukekurureba.pdfIn PDF document text
- http://ixtvs.de/_upload_bilder/_filemanager/file/99692431576.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/5aa24bf3df136c0d05ecb998761f300a/95607473536.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16079f34923031---zoxubagibusizi.pdfIn PDF document text
- http://ifa-astrologie.de/userfiles/file/vekabuvoratigapupewaj.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/c75aaf1879b122398c494cd9c20c8b21/xetopu.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6cb468cb17---pubamekuwib.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608706448dd36---kazelewom.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a580152d888---tologe.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1607a83dd40953---gurovifapimekalematug.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=odd+numbers+between+1+and+7PDF 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_off0000c192.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC192 | 10604 bytes |
SHA-256: 520576c549c5c709212cfc4d29ce2603bfd20cad0943ddeda5eeb3b0c2452e26 |
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font_01_sfnt_off0000da07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA07 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f219.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF219 | 16204 bytes |
SHA-256: e4a3f375c6382c270cf7c5fe5e944cef407d496e7ab8e5a31545ff9da0822027 |
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