MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and contains no readable text, further indicating a malicious intent to conceal its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/0654a345bc60a4be471c665a40139bdb/50292580571.pdf In PDF document text
- https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/d4ab795f56cae84d925495e30d3a8be6/50077165866.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e66a502f2c---getepesaguz.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/rimijap.pdfIn PDF document text
- http://majorpropertygroup.com/userfiles/files/pepapegun.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce61daea52---67602760776.pdfIn PDF document text
- https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/7e8343d58d18c8e457fbcfe4c03441a1/solele.pdfIn PDF document text
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/e3uhbh8hrq0c5l1ehlhfef809u/javifamafanivuwogojamebex.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160883649121b0---sobiwaxer.pdfIn PDF document text
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609849dce2e56---fanegozir.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/l6hopni5d9ojckmt8phh4grtp5/tekori.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/sinumuso.pdfIn PDF document text
- http://www.buildingmalawi.com/images/uploaded/documents/gizonegawevazerukapijib.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c237ba4f3b7---43196936445.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e3e806978---62208596944.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073f771d16a5---zabigeb.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b81db818ace---todituxedamowotujazerapu.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/eb8rd7i44j12hs40co6vcbnqn0/93235464625.pdfIn PDF document text
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/94601507d2dc3e03a5a252ee5abb4ead/kuwopezowaxefuzus.pdfIn PDF document text
- https://paron-rebondir.com/uploads/files/15832618241.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606f68e075729---65021670906.pdfIn PDF document text
- https://dodomacnosti.net/data/file/sipajiritegajofojokev.pdfIn PDF document text
- http://tlxzkj.com/uploads/file/140928555310.pdfIn PDF document text
- http://fusen-es.info/yamituki-n/uploads/files/waxesarokijigom.pdfIn PDF document text
- http://sns-russia.ru/userfiles/file/mujogexenowik.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/e269da70cd6cdfe5571c3ea87df19032/nubusiligugipitenugegig.pdfIn PDF document text
- http://hasici-pristroje-eshop.cz/files/file/48611844240.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=butterfly+and+rose+tattoo+designsPDF 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_off00010390.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10390 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011ba7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BA7 | 10796 bytes |
SHA-256: 50f1f61a536b0e0ec0e47bbd84ac0effcd4fe667dd93090beeb04cf9467d3784 |
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font_02_sfnt_off0001347b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1347B | 16728 bytes |
SHA-256: feee40dcc2bf57be0ca5d9fc5c60113f6b2b1ca1c14273c544a2c58ce86fc987 |
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