MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the nature of the embedded URLs and the detection as a phishing trojan indicate an intent to deceive users into visiting potentially harmful destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://opsclown.it/ckfinder/userfiles/files/41110567086.pdf In PDF document text
- http://hzxf.com/images/upload/File/59750603645.pdfIn PDF document text
- http://clinicaveterinariacene.com/userfiles/files/xisodubebipezunomede.pdfIn PDF document text
- http://birzebbugastpetersfc.com/files/file/31955502182.pdfIn PDF document text
- https://kristaldicarlo.com/userfiles/file/suradidazewovavokusemat.pdfIn PDF document text
- https://daiichitravel.com/uploads/news_file/53407008994.pdfIn PDF document text
- http://sibleyestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/2551469050.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/0c70f71d4dd9468e688ee7199af3faf0/80786279847.pdfIn PDF document text
- http://qhzs88.com/admin/fckeditor_upfiles/file/2021091703594680554.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/13d1ccac2309927bd8ef87f18cbeb7b9/lijilubunuvarubew.pdfIn PDF document text
- https://halkum.rs/files/15013398426.pdfIn PDF document text
- http://musicandyouapp.com/webupload/editorimg/files/gusod.pdfIn PDF document text
- http://headlinesdinerla.com/uploads/files/salika.pdfIn PDF document text
- https://mpksieradz.pl/upload/file/92586071809.pdfIn PDF document text
- http://donateagift.eu/userfiles/file/mirajo.pdfIn PDF document text
- http://ambvetesopo.eu/userfiles/files/34746576023.pdfIn PDF document text
- http://goozzl.com/userfiles/files/durisegafelaxokorukozerig.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/iedh83vmhf52g8dk76lnt6hbnf/mipazaged.pdfIn PDF document text
- http://casaatlantida.com/userfiles/file///75387773269.pdfIn PDF document text
- https://groupunsur2.com/contents/files/nibilidadesulurafev.pdfIn PDF document text
- https://bunian-co.com/other_files/File/lafepitalib.pdfIn PDF document text
- http://tonghuichem.com/upload/files/lomoporusom.pdfIn PDF document text
- http://leeharringtonhomes.com/userfiles/file/luvatagimukufevu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=samsung+galaxy+tab+4+safe+modePDF 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_off0000b3a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cbbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBBF | 11112 bytes |
SHA-256: 777ad1f70d48ac82c782d928e6be6dac1c7ead6857913d895cc21916128e56d2 |
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font_02_sfnt_off0000e593.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE593 | 17568 bytes |
SHA-256: c796860ff6ad3f525a236510fa08824e106982d5b7ad65a3265a861df672c266 |
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