MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads or are part of a link farm hosted on disposable domains. The embedded JavaScript likely serves to obfuscate the malicious links or perform further malicious actions, such as downloading a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://huntic.ru/uplcv?utm_term=lg+condenser+dryer+manual PDF link annotation
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16071793735410---5275632631.pdfIn PDF document text
- http://boletin.alicantehosteleria.com/lib/ckfinder/userfiles/files/komadasat.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160e77a81a925f---1576456972.pdfIn PDF document text
- http://asijskepotraviny.cz/files/file/78713773580.pdfIn PDF document text
- http://mvsexpo.ru/admin/ckfinder/userfiles/files/3614669284.pdfIn PDF document text
- http://presssimayeshahr.ir/pic/file/dapezesem.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079c95955db9---26147699796.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608260fe449e5---15874313453.pdfIn PDF document text
- http://ildungrice.com/fileupload/fckeditor/file/topabegazofi.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/akgjbs5qu584si0es6esv1fr53/99105924164.pdfIn PDF document text
- http://nyett.hk/uploads/news/files/gipeginetefadutobusaxewu.pdfIn PDF document text
- https://dodatkireklamowe.pl/web/uploads/files/53534162511.pdfIn PDF document text
- http://orthocarecentroortopedico.it/userfiles/files/jewotubopumi.pdfIn PDF document text
- http://avatars.ru/userfiles/file/90291466710.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/5df108a2c028481df2d94eb444626ada/zirosubidubibedobalaxuxi.pdfIn PDF document text
- http://tz5168.com/uploadfile/image/2021/06/10/file/20210610_113502_102.pdfIn PDF document text
- http://www.urbanwaterways.info/files/nenadip.pdfIn PDF document text
- https://propactionvehiclesuk.tv/userfiles/files/dekik.pdfIn PDF document text
- http://myflora888.com/ck_files/files/kewujunamakusudake.pdfIn PDF document text
- http://stsmcc.org/www/js/ckfinder/userfiles/files/pifaregofew.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6eed936cf---xilugajiji.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a64b59bc0e2---dosuranirorolaxejidugaxi.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7a1238793cd79869823c6de902405f95/nabosomidumasomud.pdfIn PDF document text
- 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_off0000d8d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8D4 | 17780 bytes |
SHA-256: 29fbce18f9a0082c5572c65daf97c517d1dc55ad7d968572317d8f47b3b9277d |
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font_01_sfnt_off00010764.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10764 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F7B | 10696 bytes |
SHA-256: 519204306c4229cdf2f89537f4afe05e9112854220475adb9530bbda37d8c083 |
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