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 compromised WordPress upload directories, suggesting it is part of a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, mentions 'Online movie app', indicating a lure to attract users to potentially malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16098af4c0062b---53792366013.pdf In PDF document text
- https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6eac84979---27364621599.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/41b85b1023ead249bc2157913da6f486/lunovuzejekamodivu.pdfIn PDF document text
- http://orgue-chantepie.info/FCKeditor/upload/file/1373407523.pdfIn PDF document text
- http://tipiland.net/upload/file/xetas.pdfIn PDF document text
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a34cfe146e5---39824341027.pdfIn PDF document text
- http://spreewaldatelier.de/img/editor/file/28591622738.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079bef6bf1f9---saxijanozorinov.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160816798f1ff0---bozotivaki.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7ed5f2882---bibegufivizugezowagodili.pdfIn PDF document text
- http://www.klimavill.com//data/editorfile/norad.pdfIn PDF document text
- https://alnahamgroup.com/userfiles/file/9388615962.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/1d291c1875a00873c89e3d61849b7c08/47797377501.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bc2f4209bb---18492561391.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=online+movie+appPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e2c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2C9 | 4488 bytes |
SHA-256: 37f00a3d1a739606cf50f9a0044d9e4b43fed15452665c42889c0906b148099c |
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font_01_sfnt_off0000f1e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E9 | 10660 bytes |
SHA-256: 9babf26e60b9171e8e56d44144779241d319a3d3edad643b5a6b8b789b64bb4c |
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font_02_sfnt_off00011649.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11649 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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