MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other domains, likely serving as a lure for phishing or to download further payloads. The PDF structure and embedded links suggest it is intended to be delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://pixomot.ru/uplcv?utm_term=linear+equation+dependent+and+independent+variables PDF link annotation
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/70ac9666be7af1caf5ca9f529340a951/rijotamelug.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e7ed678f5---liradunuwitoti.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/ldkqbl05c0lmp4i0t9h89ai1ku/mejilugiverowujezoli.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/8fb6ed63e211f7c2afd30689352515f1/15637164264.pdfIn PDF document text
- https://www.visitrwanda.com/wp-content/plugins/super-forms/uploads/php/files/29250cb3ee1e7d972f9fd7b1a461db9c/39101276563.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/7f060ca44a8bfd55a8698fb0945aa0d0/3975467942.pdfIn PDF document text
- http://asahiru-ban.com/files/files/18222262337.pdfIn PDF document text
- https://betalinktech.com/blmedia/file/16696340710.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/de05b19f6e9d2efd43122d4fadb36c7c/17861658770.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/e3jbh2mamnnb9kns1ekc51r052/wamujedukovojo.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/1n9rok7lrii2e01nm5rgqnrdi6/riwowaluzuzekabudu.pdfIn PDF document text
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/164f4a2e3eca82099ebc1f96d423694c/bikiwapoz.pdfIn PDF document text
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608aaffd8a49f---32606989758.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/eaad28065e36f86a9e5e2768a4980541/41288043261.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/7643342c45870dec537a326e6724d889/31111716725.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A7 | 5220 bytes |
SHA-256: 98ddf0f36a9e1fdf8c0fb161ab378380e27b9dc279039c12943a826283a22833 |
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font_01_sfnt_off0000f970.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF970 | 10796 bytes |
SHA-256: 3c530f84a63e053dc7a514c6a32472fd61a070c9b3e2ae83e6d4f1abd1cbe31e |
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