MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to potentially compromised websites, suggesting a phishing or credential harvesting scheme. The presence of numerous URLs, many hosted on disposable or potentially compromised domains, reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://xn--2e0b30g3uq7pay7m.com/upload/fckeditor/file/45157850096.pdf In PDF document text
- https://halkapsikoloji.com/userfiles/file/34655007833.pdfIn PDF document text
- http://huntland.hu/upload/file/36996293465.pdfIn PDF document text
- http://pusancard.com/userData/board/file/jasipasipagejas.pdfIn PDF document text
- http://kmconlinecme.com/userfiles/file/6394344116.pdfIn PDF document text
- http://solmoda.it/userfiles/files/firusepas.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613a4eca002a3---tirelubireka.pdfIn PDF document text
- http://loscogliodifavignana.it/userfiles/files/38306728697.pdfIn PDF document text
- http://fujiya-la.com/uploads/files/97819509776.pdfIn PDF document text
- http://wabasnb.com/files/fckeditor/file/213444837261323f94d7432.pdfIn PDF document text
- http://xn--2-140-swe8h.xn--p1ai/files/xerunowowosasosojulorixo.pdfIn PDF document text
- https://vaitinhdien.com/app/webroot/upload/files/wurexedi.pdfIn PDF document text
- https://netkat.in/ckfinder/userfiles/files/merag.pdfIn PDF document text
- http://truhlarstvi-strakonice.cz/files/file/74146560569.pdfIn PDF document text
- http://noxsun.com/jingkelun/userfiles/files/20210912021158.pdfIn PDF document text
- http://mimarkamilozkartal.com/userfiles/files/26189245781.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/161352303aacc4---9642238408.pdfIn PDF document text
- http://rld-carbon.ru/file/kagemusirotusomi.pdfIn PDF document text
- http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/10248336615.pdfIn PDF document text
- https://g4m3s-4p1-12s1.com/contents/files/mavexiberazivepu.pdfIn PDF document text
- http://eia-edu.com/userfiles/file/viwobuvavinetojubifal.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/5bl52ssgaal998dfdpmr4el8k1/xodipasolotej.pdfIn PDF document text
- https://greenlakepaint.com/ckfinder/userfiles/files/vonufetekiwebeluvato.pdfIn PDF document text
- http://salman-group.com/userfiles/file/6580264358.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=coolroom+ppsspp+goldPDF 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_off0000d907.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD907 | 17636 bytes |
SHA-256: c2ab85adc0b2e9459237935b725f419681ebaf644f6ed9cdd45b47ed8c90f2be |
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font_01_sfnt_off000106a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ebe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EBE | 10176 bytes |
SHA-256: e83f618acc92c54cf031523b0aa953921926b46de820cef3b1c97c9e416c950e |
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