MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a ML classifier and ClamAV, indicating a high likelihood of malicious intent. The document functions as a link farm, containing numerous URLs pointing to external sites, some of which are hosted on compromised WordPress installations. This suggests a phishing or redirection scheme designed to lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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 http://xn--dlek-5qa.com/admin/UserFiles/file/26367944833.pdf In PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/k8cuj4ilgogi4mibojf9ecjouc/gugufalosidisofafevupopex.pdfIn PDF document text
- http://stalmost.pl/userfiles/file/28378843507.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608ccf1e661b8---92186430670.pdfIn PDF document text
- https://radiosmile.hu/upload/file/93794978801.pdfIn PDF document text
- http://hanasushipickup.com/uploads/files/kelasutoxosobodutinotis.pdfIn PDF document text
- http://ilovehikari.com/uploads/files/tibosisekowaxonepason.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/zijobuke.pdfIn PDF document text
- http://vtvxm.vn/userfiles/file/61332330289.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b3ead790c5a---lifusojuxiwawed.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160795ee88995b---lidipatazinaso.pdfIn PDF document text
- http://mutamobilya.com/images_upload/files/82863655128.pdfIn PDF document text
- http://chixue.com/uploadfile/file/20210622162740.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/6d935360184b2106acfb59d7c747e599/40990902285.pdfIn PDF document text
- https://agermag.ro/mm/file/25275740007.pdfIn PDF document text
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/4f0bba57f66cf6ab964ad3668f00c228/68129614288.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160976993275ad---koden.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/20togaou6aok0fqmapk64tmvo2/kenizovonego.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/f5f58adba7de0869348fba4c2c7e4bec/gedubojop.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093e45c7c248---23470749554.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/90236625758.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a1bcc7991b2---digomivupisawawudafe.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c45db7e50b8---73395142773.pdfIn PDF document text
- http://donghocasiochinhhang.net/uploads/userfiles/file/kewuzuk.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/f76c254ba4d10332e7545a78b431ea67/bemeko.pdfIn PDF document text
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/03983658912f74bcbc741c825983a067/webudolusizesalol.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=after+twenty+yearsPDF 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_off0000ef89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF89 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001079b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1079B | 17020 bytes |
SHA-256: 8836fa3c14cd648721eeddafaad1a6fade9d42179d4d8ef162688b85d60ab08c |
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font_02_sfnt_off000133c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133C8 | 10132 bytes |
SHA-256: 37479cd5254deb8954016df6871413a1a8c4540f46bd7824b3c96128e31ee11d |
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