MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with numerous URLs pointing to various domains, many of which are likely compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of multiple external URIs indicate a phishing or malware distribution attempt. ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://crysiq.ru/uplcv?utm_term=sports+streaming+apk PDF link annotation
- https://888nv.ru/userfiles/file/mufugapokuzo.pdfIn PDF document text
- http://sjhtractor.com/d/files/89392794534.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/60221882454.pdfIn PDF document text
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kodanexivuzixiladonis.pdfIn PDF document text
- http://kiko168.com/UploadFile/file/20210912102112145.pdfIn PDF document text
- http://www.siscbolivia.com/admin/uploaded/fck/file/60056003291.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef2549e77b---57472495304.pdfIn PDF document text
- http://gocchame.vn/app/webroot/img/uploads/files/57414047823.pdfIn PDF document text
- http://euromarkcreations.com/new/fck_img/file/gipudinajagawomumilade.pdfIn PDF document text
- http://doo-san.com/userfiles/file/20210907093150.pdfIn PDF document text
- http://seattledesis.com/fckeditor/file/47106524332.pdfIn PDF document text
- https://ibliberia.com/ckfinder/userfiles/files/zapivog.pdfIn PDF document text
- https://inprovitbrasil.com/ckfinder/userfiles/files/bubumuteromijonurix.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/fv6iiohjvjivrce41vkejlcr52/55382154184.pdfIn PDF document text
- http://mlead.net/images/e/file/72624470303.pdfIn PDF document text
- http://pokorny-podlahy.cz/UserFiles/File/61670016200.pdfIn PDF document text
- http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/18239587944.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/161442714a42c4---11686205867.pdfIn PDF document text
- http://postelezmasivu-brno.com/ckfinder/userfiles/files/81261752983.pdfIn PDF document text
- https://hoangphatdanang.com/uploads/image/files/35092836808.pdfIn PDF document text
- https://khanoomhoteli.com/basefile/khanoomhotelicom/files/luzurovirenixusovodimob.pdfIn PDF document text
- http://orlickachata.cz/files/files/88126524894.pdfIn PDF document text
- http://www.companyforte.com/imagenes/editor/file/21174387227.pdfIn PDF document text
- http://abwlargo.com/uploads/files/leninufatejatetuvisofo.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_off0000da87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA87 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f299.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF299 | 17548 bytes |
SHA-256: 7413f614c508afc9a03c61ac3010150c6da3453dbef2046de9a55043dead86fc |
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font_02_sfnt_off00012044.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12044 | 10716 bytes |
SHA-256: 11a36c56f73cdcdb90b05897f6b3ccfacb0f8bb8f1f9653a69cf38bf414678cb |
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