MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and a machine learning classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm or redirection mechanism. The primary purpose appears to be directing users to potentially malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/90a9cfe591650f7cfe19376607810d21/89804159395.pdf In PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/ca33836f31f8480096bec1add551e1ca/11307747928.pdfIn PDF document text
- http://astro2sphere.com/admin/images/file/nevad.pdfIn PDF document text
- https://aimhc.com/userfiles/file/suwuwipokotope.pdfIn PDF document text
- https://sunarchegypt.com/userfiles/file/63344921705.pdfIn PDF document text
- http://stalmont.eu/userfiles/file/27087466690.pdfIn PDF document text
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/es1v2th0oc18t9l6fnilbqb1dk/90443650870.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bc710bc44d9---32654083221.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/3gq8pk46ov652i6v8i4iil43fl/74976782177.pdfIn PDF document text
- http://globalquestconsulting.com/userfiles/files/2750887860.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/nozuzamuferifegafobigoti.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/voxug.pdfIn PDF document text
- https://csn-alliance.com/data/files/newudefiwaxopuxipil.pdfIn PDF document text
- http://jncs.kr/page_data/file/20210522125604.pdfIn PDF document text
- https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/f194fc30a3e17cf9b26075655d0741ee/zorefen.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbb77825c3---fanojelesolejewuvoxasorum.pdfIn PDF document text
- http://ketnoikienthuc.com/upload/files/66094345105.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/775bb541a5406eb57b1468ed06b2a097/mogaz.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/2e96345fa6bd7f99f6becf7c1b73633c/biwameser.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/eeubvaroataksibdl76c247us6/77696576122.pdfIn PDF document text
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/50a2de63d83713e75d9b6ab73cb26389/xekij.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7f0c59d15---zemifaxijatinalidabadi.pdfIn PDF document text
- https://htddienstverlening.nl/userfiles/file/59340218109.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/024354f72d5c3a3fa44445bcd1153f93/81756723125.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=5+quarts+to+cupsPDF 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_off0000c47d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC47D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC94 | 10276 bytes |
SHA-256: 56f14a6f77430067dfcb472084d87d0806d60f97cd21e86f5bbecb53ec8acc88 |
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font_02_sfnt_off0000f3dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3DC | 16048 bytes |
SHA-256: a92c1afbe3e3a55d2da045b8e2e42097317e78dc5d9756136f56ba7935ebc604 |
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