MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains metadata related to 'Apple earpods android volume' and 'wkhtmltopdf', potentially part of a lure to disguise the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://philabc.ru/uplcv?utm_term=apple+earpods+android+volume PDF link annotation
- https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/065df3f4a9b8a47eca9eb6e8d156601a/xumij.pdfIn PDF document text
- http://alituncer.com/userfiles/file/vuvenomavumorunoj.pdfIn PDF document text
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1ec172302---rogapurevukuloxim.pdfIn PDF document text
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085b612067bb---12391759672.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/u9ebb8rk77f8jf6irdq3sahvp5/29874985386.pdfIn PDF document text
- http://austria-ex.com/images/blog//file/sozax.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/17fpm0p49rp9j0a7p28sh3fhr1/wozuloxuzofava.pdfIn PDF document text
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608678cdab0b8---9165974419.pdfIn PDF document text
- http://portalcom-b2b.es/img/user///file/_0976800001619995706.pdfIn PDF document text
- http://mobilesamara.com/img/files/file/fufemikunisedofomibos.pdfIn PDF document text
- http://aps-mes.com/files/file/monelirenim.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/9034d4bbe84266af757a34381275f1cb/xizusabup.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160798b88e2609---fagisopo.pdfIn PDF document text
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160738e360b243---65953292567.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607839228fc2f---40213939099.pdfIn PDF document text
- http://originalcheck.it/public/img_admin/file/%5C/8647069866.pdfIn PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608642754d291---razozagak.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160786a57dffd0---xunijiboxononav.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB27 | 4956 bytes |
SHA-256: 66a11bb2eec46f1ff3106cb96f7aca1a467914397631d573f5b0f2395ce5f7fd |
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font_01_sfnt_off0000ebd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD8 | 10652 bytes |
SHA-256: 6e546ca35bf610ff069e64037e620a7c82115478035183c5822b627fa09e8330 |
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font_02_sfnt_off00011038.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11038 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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