MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous links pointing to compromised WordPress upload directories, suggesting it's part of a link farm designed to distribute malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076afc8e941c---gaguvimizaza.pdf In PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/204644fe27b5979ed9ce5f4142958069/feroxarorozuligimamivanu.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4048bd0f4---gifikone.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba3d4a5990---momuxigaxamufokonelazejuj.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/63017a1d221130b5912831603485d95d/bepazen.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/6df148b4b691d0d6d1d1d63c7b49d73f/74400334392.pdfIn PDF document text
- https://inmaabiladi.com/userfiles/files/gakikuzoregafipikeluvel.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/25054821817.pdfIn PDF document text
- http://ogledalata.bg/uploads/pages/files/pigalunimigeguxogelato.pdfIn PDF document text
- https://walnutcreekguide.com/wysiwygfiles/file/64473938074.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e963a680dc---18013101974.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/edab45f2bd31a66e164d536a2caf8da5/71398283212.pdfIn PDF document text
- https://ratco-hardware.com/Ups/files/2015390453.pdfIn PDF document text
- http://195exim.com/datas/files/peziwofivujukusokij.pdfIn PDF document text
- http://koreaseals.com/ckfinder/userfiles/files/wogotiralukidugesafu.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/78dcb231e692588bb4bbb4e21a839474/lezigodi.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608cacaaeef9b---mebolikusokado.pdfIn PDF document text
- http://hongphuc.vn/userfiles/file/99332580771.pdfIn PDF document text
- http://thankschicken.com/uploads/files/49183855956.pdfIn PDF document text
- http://cz-synergy.cz/data/file/92086423556.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c415c6e292f---sufisoxovan.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/3st52b2ne1veha94u11qkqo721/guzutepibonojovo.pdfIn PDF document text
- https://santa.my/images/users/00000000/files/nepitajebevigu.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d55a182f8f---89630025031.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=types+of+rock+erosionPDF link annotation
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd71a4dcbf---runurizopevo.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_off0000c824.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC824 | 15532 bytes |
SHA-256: 4b76d41c72402f9e6639cc6f5a6f6b091c997371da4260cb6172875e5bec2a99 |
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font_01_sfnt_off0000efaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000107c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C1 | 10336 bytes |
SHA-256: 8c8a90b0ad9ac0f0123c0d05f7d124021ad906c16d89c62339965d5e8d285fcc |
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