MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to obscure the final destination. ClamAV and ML classifiers strongly indicate malicious intent, likely phishing or malware delivery. The embedded JavaScript is a common technique for executing malicious code or redirecting users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://lsbwg.com/ckfinder/userfiles/files/20210701/1946043614.pdf In PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bac6eb8fcf3---luwupinalaninekoreg.pdfIn PDF document text
- https://picinterior.com/ckfinder/userfiles/files/dedamodibodibedoli.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/79687a9614218e83135d18334a6c0aa4/funitudivorusobowolujegos.pdfIn PDF document text
- http://vertracapital.com/uploads/files/lububojozuwoduzuwifo.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091766bafda0---14512810687.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e5b0f7ea85---bigirifomasukabaxim.pdfIn PDF document text
- http://normandyclassof79stl.com/clients/e/e1/e16d7b8530e96d8d426d6b963c92b0b5/File/96618451969.pdfIn PDF document text
- http://ailizia.com/userfiles/voxekuges.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d80a132b91e---4583836268.pdfIn PDF document text
- https://christianklein.eu/Quansis/ckfinder/userfiles/files/tijazizogomixojaji.pdfIn PDF document text
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/20896515200.pdfIn PDF document text
- http://hanarotalk.com/userfiles/file///kazetelewijubage.pdfIn PDF document text
- https://noble-program.site/js/ckfinder/userfiles/files/rosasudededakepiruze.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2faa37416---kelobosaperifekudibegar.pdfIn PDF document text
- http://alphabodysupplements.com/newerac2c/userfiles/file/jugenanedul.pdfIn PDF document text
- http://andlupa.com/userfiles/file/70801214867.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/g158tqb5susnrvrffcqsn1ld68/bijeraxomenibivel.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4a3fc9468---nozejonenib.pdfIn PDF document text
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/29cf1544968976abb32c87f04be6c366/xabubikajuvaroji.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/0b295fa414e2e7f0a871f2a191f0a817/rexisepulosefadiko.pdfIn PDF document text
- https://hosvagyok.hu/userfiles/file/xureketizanedomogopo.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa541044f8---jusorudovufixewirajuw.pdfIn PDF document text
- http://moreit.ch/productinfo/file/nopanemow.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db2e94cb49e---74809888001.pdfIn PDF document text
- https://grandhotelbulgaria.com/userfiles/file/zirenodenateraxejixebubon.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=direct+and+indirect+speech+multiple+choice+test+pdfPDF 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_off0000ef82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF82 | 17876 bytes |
SHA-256: 4469eede7a1ac65b4ae44c104821e470db3766a81983171a1f2ba4f12ff0ee49 |
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font_01_sfnt_off00011e78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001368f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1368F | 10984 bytes |
SHA-256: d9e7812c07fd5bac8e794e5b7ef78da04efeed4f20dcfc2d1e67bd4db3ce3332 |
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