MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the heuristic 'PDF_RANDOM_URL_LINK' indicate an attempt to direct users to external, potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082b1136d6b8---zixawe.pdf In PDF document text
- http://grandviewgroupresort.com/upload/files/jesifojotorofe.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1608f17f086789---968938837.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/530bb3e5c3b41055b3ce163e230cb3f2/74532179414.pdfIn PDF document text
- http://inlovehuahin.com/file_media/file_image/file/86958988639.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608747f6bf532---dewafavajupu.pdfIn PDF document text
- http://appletechsolutions.com/userfiles/file/wexatuvopenavuzo.pdfIn PDF document text
- http://ozkayalartrans.com/userfiles/file/47024773281.pdfIn PDF document text
- http://mkconline.com/landmark/ckfinder/userfiles/files/sesidavabokiruvenesezodo.pdfIn PDF document text
- http://www.hangmandigital.com/files/file/nakonipobalonujuwela.pdfIn PDF document text
- http://www.tekkoo.net/images/library/File/fegamomekonuxilefox.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607599d953d8a---fegosawijirosafuxirem.pdfIn PDF document text
- http://project-st.ru/userfiles/file/repexexixidarobixoguw.pdfIn PDF document text
- http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/tenopaludigobof.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/k1ikgja3ukhfq5p0kjq9pbs09q/82487714360.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ab48654b5a6---52378336985.pdfIn PDF document text
- http://anandtouristcorporation.com/uploads/12330622670.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/9ab57be3436a3620941fee0258e1284f/lavugenigarojuti.pdfIn PDF document text
- http://shinies.ru/img/lib/file/fivuramupudupa.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/bcdevohblv4pn8t3dra8v15gmf/61020815309.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160890d365685c---sinus.pdfIn PDF document text
- https://medicentrumnz.eu/medicentrum/files/file/vememus.pdfIn PDF document text
- https://autoteam.in/ckfinder/userfiles/files/bipekofadukudojoxumozoge.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d427180e02---jabigasivopozis.pdfIn PDF document text
- https://golf-tout-terrain.com/publish/page/file/gebukurefoves.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b407870f1ce---xolalamonabesepa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=strong+acid+and+base+titrationPDF 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_off0000dc3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f44d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF44D | 16348 bytes |
SHA-256: 077a8a78d4ec104582c541955a13e3a13491be36cc3d0eb23412dd4fcc23956d |
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font_02_sfnt_off00011eaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EAA | 10712 bytes |
SHA-256: 75bb11dbecdf5b02067d55ebd1aff385e00e280c6be6e678215a1b3fbbdcaf0f |
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