MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It functions as a link farm, containing numerous embedded URLs that point to various domains, many of which are hosted on disposable infrastructure or compromised CMS uploads. The ML classifier also assigned a high probability of maliciousness. The primary attack pattern involves luring users to click on these links, likely leading to phishing or malware download pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9711
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://coevent.ru/upload/files/fisavumokefagebumerubug.pdf In PDF document text
- http://softwaretesting.kr/club/data/userfiles/file/20210916152844.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/a299a8c7e9f11a837ac4fc05c10dafd7/13230801138.pdfIn PDF document text
- http://tnslib.net/userfiles/files/6268716891.pdfIn PDF document text
- https://gamepinleri.net/calisma2/files/uploads/73725680708.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134535483ab2---rudoli.pdfIn PDF document text
- http://top-rubber.com/admin/fckeditor/editor/filemanager/connectors/upload/file/roxapog.pdfIn PDF document text
- http://soupworld.de/upload/file/28239844923.pdfIn PDF document text
- http://beverly.kopanramen.com/uploads/files/1612605057.pdfIn PDF document text
- http://bolt-go77.com/fckeditor/userfiles/file/xodape.pdfIn PDF document text
- https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/fesorigipiganebi.pdfIn PDF document text
- https://pernambucoimortal.com/imagens/files/25649191503.pdfIn PDF document text
- http://technoprofile.ru/userfiles/file/35929108271.pdfIn PDF document text
- https://masterjobintl.com/ckfinder/userfiles/files/vubafupokeluwaderij.pdfIn PDF document text
- https://pmeds.us/userfiles/file/bupedirozizik.pdfIn PDF document text
- http://ore-processing.ru/d/files/4427962559.pdfIn PDF document text
- https://ukmalayalamnews.com/userfiles/file/jawetevefakuniligaxo.pdfIn PDF document text
- http://astmasme.com/userData/board/file/nabisinuwofonusosijozag.pdfIn PDF document text
- http://nmways.com/uploads/fckupload/file/nuletojavavanuno.pdfIn PDF document text
- http://mynotary.ca/sites/all/sites/mynotary.ca/files/90784856421.pdfIn PDF document text
- https://odontologosmalca.com/images/userfiles/file/kulalujazof.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/d15f04171870579ea9773f7e4f439fb2/sidenisufosojusufijatu.pdfIn PDF document text
- http://saydersan.com/firma/files/tuvajokiranuxidim.pdfIn PDF document text
- http://twozonechickenlasvegas.com/uploads/files/xekanotimiwafosasufikoka.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/ef958801849a7e9dc8838bfa332dfe95/51301269823.pdfIn PDF document text
- http://eternaseguros.net/files/files/dufavadafekemovovidofagi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=snakes+eyes+gi+joe+originsPDF 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_off00012e07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E07 | 10552 bytes |
SHA-256: 31cfb6e13c3c26a8af316d21277b2c002f16366d5480de65de131f6d5b6bcf13 |
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font_01_sfnt_off00014629.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14629 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015e3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E3B | 19260 bytes |
SHA-256: 65bdf80dc1bd9c716ade16fae2a33b011737baa7cae40b79242172bd0ae08aed |
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