MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF is identified as malicious by ClamAV and an ML classifier, and heuristics indicate it's an image-only lure designed to trick users into clicking external links. Many of these links point to compromised WordPress sites hosting similar PDF files, suggesting a phishing campaign. The document body is heavily obfuscated and unreadable, providing no direct clues to its specific purpose beyond the general phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614125c0aa4cb---32802886754.pdf In PDF document text
- http://hkwwta.org/userfiles/boburozegugabil.pdfIn PDF document text
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/6986840584.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/3ac30394fd0fd3174efcbc934af4861a/kexoxo.pdfIn PDF document text
- http://gibisch.biz/files/files/turesuguwugaxudew.pdfIn PDF document text
- http://wiskind.com/filespath/files/20210913213302.pdfIn PDF document text
- http://eventologia.com/userfiles/files/19198378154.pdfIn PDF document text
- http://bakoca.hu/files/file/rijozepoxof.pdfIn PDF document text
- http://cainghienbinhduong.com/uploads/userfiles/file/91223848992.pdfIn PDF document text
- http://chaodontuonglai.vn/uploads/ck_upload/files/gadivitaposo.pdfIn PDF document text
- http://shiny-baby.com/fileimage/file/94323491842.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139efaae2aab---gubavibofekaf.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613979092a521---legalajejopufuduf.pdfIn PDF document text
- http://lagerunda.it/public/upload/file/79238913547.pdfIn PDF document text
- https://adrfarysz.pl/userfiles/file/wonepexagagegowologa.pdfIn PDF document text
- http://lpc2529.com/piceditor/file/gejarotibozaduwuxul.pdfIn PDF document text
- http://21cedu.com/pds/userfiles/files/34066768573.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/161346f06e6db2---40235119072.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/2f61b20a30d9118a75cfc1ace66ed2aa/wakixononulojisut.pdfIn PDF document text
- http://arohitourandtravels.com/userfiles/file/83415212829.pdfIn PDF document text
- http://sevvalturizm.com/rsm/files/64477266767.pdfIn PDF document text
- http://raczcsalad.hu/files/12187926910.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/95620543456.pdfIn PDF document text
- http://theclelandgroup.com/img/upload/file/lowofilepamukil.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=how+do+i+enable+developer+optionsPDF 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_off0000b3a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3A7 | 10668 bytes |
SHA-256: bfea981c294ef109b3a7c7c002c33f735a453000705d5b9570a19a7a36084c77 |
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font_01_sfnt_off0000cbf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBF9 | 14160 bytes |
SHA-256: 66ab9063f755296cc85dddf7e9fd20f3e6c57405cfc149869017b4533297ac8d |
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font_02_sfnt_off0000ef81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF81 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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