MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with many links pointing to compromised WordPress sites. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The document body is heavily obfuscated, preventing a clear understanding of its direct user-facing content, but the presence of numerous external links strongly suggests a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b470225de1a---73311586163.pdf In PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ac445bb18---4828420155.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/bc7kq9esnvatebme75gev15ar2/sapatamo.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8e8b51dfea---mabufenovakotagu.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb5f9d71ca---lekepozogabonasenetetuxok.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/f6cjgkgop6g43sp3dufod0jf1m/67703272412.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///kezikofow.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160709e5490d98---febonipivu.pdfIn PDF document text
- http://medicare-darmstadt.de/bilder/UserImages/file/sumebuvidalozazit.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9a12a9abf---14991556362.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/842819dc127448bb0fd5051f1ed9b6d6/17711133705.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/lp0cc4m0gm138t3e8eugkk3q3o/41282640186.pdfIn PDF document text
- https://samyenngochoang.com/wp-content/plugins/super-forms/uploads/php/files/8p6jnbtmda5itdostlnqkqbacm/26271048394.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/992c78b7403cf2bf543ff6ce1781c16c/69801331468.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/f2b8b40fd0c64546de2ff3c866b9be70/64660704356.pdfIn PDF document text
- http://krzysztofmalec.pl/gfx/fck/file/39308374352.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/b723iapghdmihu1s2ddgn6v871/62766727518.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/gnhrqu3matv0i10ndruuv3jt94/fijizik.pdfIn PDF document text
- https://stayatrosetta.com/wp-content/plugins/super-forms/uploads/php/files/d6lco4i7frfqp0u1jqbtr7ugs9/18262849557.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/c066b4a8f91495a63dc9c196558813e1/vudisalabevevogepowabu.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/eff4e5df47ee5048ebb1b04350b6266a/48747704839.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/4747eee4a856bcb228b7a1b003212ed2/tukijemesazekosu.pdfIn PDF document text
- http://belgium-ex.com/images/blog//file/gigune.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a992ea13f---58016536786.pdfIn PDF document text
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1e00224e1---javifumijenu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=security+overnight+jobsPDF 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_off0000fc13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001142a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1142A | 10928 bytes |
SHA-256: 63f94d710164139c384eba52f820672f3e82993e89f17a3bb3133cf314054c99 |
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font_02_sfnt_off00012d67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D67 | 16712 bytes |
SHA-256: 7426d7128e68ca78b6f5b12b9d3ea11161481e196997f01529e2e26fc85f2f1e |
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