MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The presence of numerous URLs, including one with a 'utm_term' parameter suggesting tracking, points towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://irlanc.ru/uplcv?utm_term=excel+vba+worksheetfunction+subtotal PDF link annotation
- http://siltherm.com/ckfinder/userfiles/files/1128948902.pdfIn PDF document text
- http://anhhieu.vn/hinhanh/file/linoxedifelibinugivapoxu.pdfIn PDF document text
- http://zajazd-broadway.pl/galeria/file/tulosejuxa.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160748b019e88e---xarixoxefazejupaf.pdfIn PDF document text
- https://soccerauquebec.com/userfiles/file/tivetegat.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608350a42ba29---juzukoxuko.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16088e47d95abd---38434417480.pdfIn PDF document text
- http://sl1971.com/clients/5/51/517263f0417f9379c67e6eba0e0bdfe8/File/95086785472.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1ad7141e13---22414216839.pdfIn PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/juwifepebopul.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/af38452670ae5e8e3b213694641ca25a/zepil.pdfIn PDF document text
- https://balaji-technology.com/userfiles/file/firavegaxetodimipiwejat.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1609e036c15af5---62843716946.pdfIn PDF document text
- http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zitodewizeferatikuzutu.pdfIn PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/52253156348.pdfIn PDF document text
- http://mulroyenvironmental.ie/userfiles/file/losukonaluvawisokatawo.pdfIn PDF document text
- https://jeevadhara.org/work/london/userfiles/file/xifepotisapesuxigaxak.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078c17043f5f---77060760735.pdfIn PDF document text
- http://www.sosonomo.com/ckfinder/userfiles/files/66712301243.pdfIn PDF document text
- https://4of100churchstreet.com/assets/media/files/rowujerofobidek.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16071345e69903---20073585941.pdfIn PDF document text
- https://bookatowncar.com/userfiles/file/piwelepiluxogovatagi.pdfIn PDF document text
- https://gazelletr.com/userfiles/files/25963503145.pdfIn PDF document text
- http://nfc-lampang.com/user_img/files/58455741848.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607224b5d7832---41422158287.pdfIn PDF document text
- 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_off0000ded1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDED1 | 21900 bytes |
SHA-256: 02ea621cc5f5fd123466f14ae0a1fbcd248c49510c6f800a93848e6af4dc8a38 |
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font_01_sfnt_off0001174a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1174A | 11000 bytes |
SHA-256: 67960231b7eddfee4714aefed995ec24a3a522bb0d7b8117d990c78e55cf6e3b |
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font_02_sfnt_off000130e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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