MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised CMS uploads or disposable hosting, indicating a phishing or malicious redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 https://namkhoasaigon.vn/web/images/files/zuwexuluvilixuzixomosu.pdf In PDF document text
- http://teplorium.su/userfiles/file/59744959060.pdfIn PDF document text
- http://lt101shop.com/userfiles/files/lanejesusedetigekugara.pdfIn PDF document text
- http://sushinamu.com/uploads/files/66237024585.pdfIn PDF document text
- http://xn--80adpfaaeictf0c6c7i.xn--p1ai/public/file/37409919371.pdfIn PDF document text
- http://neuroxl.com/images/file/zafuwefevekisasuno.pdfIn PDF document text
- http://prunay-en-yvelines.fr/ckfinder/userfiles/files/15502247984.pdfIn PDF document text
- http://miass.realxenon.ru/uploads/files/77633747399.pdfIn PDF document text
- http://skupka23.ru/upload/m/gomumovewawuzejezukiwo.pdfIn PDF document text
- https://soswzgierz.pl/web/uploads/files/zajofi.pdfIn PDF document text
- http://muaah.ca/userfiles/files/xugofiz.pdfIn PDF document text
- http://wsp.pl/userfiles/file/vuwojo.pdfIn PDF document text
- http://kemnhapkhau.com/upload/files/dodas.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/o4me6dg98o11hpi44n40oivgkt/26004793633.pdfIn PDF document text
- https://lombardpruszkow.pl/local/userfiles/file/xajisuboz.pdfIn PDF document text
- http://scard.vn/app/webroot/uploads/files/2601031054.pdfIn PDF document text
- http://geometrabottero.it/userfiles/files/79929794921.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613491a138ef9---3436547428.pdfIn PDF document text
- http://horizonpestservices.com/userfile/88508371747.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16131b8caa059f---sivopifika.pdfIn PDF document text
- http://sigmabhp.pl/userfiles/file/xesewoz.pdfIn PDF document text
- http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/vegenobajabu.pdfIn PDF document text
- http://bbpcosmetics.com/admin/upFiles/2021-9/file/11430871920.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=convert+kindle+fire+to+android+tablet+2020PDF 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_off0000bcee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCEE | 10752 bytes |
SHA-256: 304cb9d19562b7e06dcf32b48a38eab955abfbd05b7f9a4daf39339b293b792b |
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font_01_sfnt_off0000d5d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D9 | 18056 bytes |
SHA-256: f3e357743b6656bedd9351593bad4c0447380ff38c7fa9082790a1ccea5dc695 |
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font_02_sfnt_off000104b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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