MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier. It contains a PDF link to a URL that hosts another PDF, indicating a likely phishing or malware distribution attempt. The PDF also includes numerous external URIs, many of which point to disposable domains, suggesting a link farm used for obfuscation or to host the secondary payload.
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://carraracucinecomponibilitrapani.it/userfiles/files/57505313978.pdf In PDF document text
- http://elektrostroy.kz/ckfinder/userfiles/files/dezarolovupukibeni.pdfIn PDF document text
- http://artanuji.ge/admin/ckeditor/ckfinder/userfiles/files/87955098511.pdfIn PDF document text
- http://www.ppk-kp3k.kkp.go.id/ver2/extra/ckfinder/core/connector/php/media/ckfinder/files/11493604026.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/91554140207.pdfIn PDF document text
- https://zohopinler.com/calisma2/files/uploads/73866356409.pdfIn PDF document text
- http://skpizzasubs.com/uploads/files/fajavagogaxamoxifosazuda.pdfIn PDF document text
- http://blfimmobiliare.com/userfiles/files/zaxusejinomimejej.pdfIn PDF document text
- http://proficlim.ru/public/userfiles/file/73831754488.pdfIn PDF document text
- https://dom4m.de/userfiles/files/33406352794.pdfIn PDF document text
- http://myagreement.com/UserFiles/file/47473343076.pdfIn PDF document text
- http://health-bridge.in/upload/file/22019369668.pdfIn PDF document text
- https://floridainvestment.cz/files/file/72148774358.pdfIn PDF document text
- http://cu-hinothai.com/ckfinder/userfiles/files/6977932784.pdfIn PDF document text
- http://anapro.com/ckfinder/userfiles/files/63893313001.pdfIn PDF document text
- http://elitsatodorova.com/uploadfiles/file/mijabowanigidu.pdfIn PDF document text
- https://infotechloyalty.com/bot/ckfinder/uf/files/81827479333.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161349321087e3---64751541871.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16139b3e526bcc---mujuj.pdfIn PDF document text
- http://compagniaviaggi.gattinonimondodivacanze.it/themes/userfiles/files/xarimexorixamidujonibame.pdfIn PDF document text
- http://caerulumpharma.com/upload/files/36827051224.pdfIn PDF document text
- https://nitm.ac.in/nitmeghalaya/ckfinder/userfiles/files/nedakoluwonufurifibagafa.pdfIn PDF document text
- http://hajni.pl/userfiles/file/37928811551.pdfIn PDF document text
- https://teamcode.net/upload/files/jurilunakebuperebop.pdfIn PDF document text
- http://kurskodkb.ru/page_edit/_samples/userfiles/files/57859503781.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=gallery+editor+apkPDF 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_off0000d311.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD311 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB28 | 10360 bytes |
SHA-256: af0f13a2c14c939c05e7708750954d08cad11c82593ebb092762734d51ffdabe |
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font_02_sfnt_off000102b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102B0 | 16776 bytes |
SHA-256: b1ff62fcd368a03ef358557f82b32dbba62e4b1baeb4d88ad19efef329c4ea32 |
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