MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be disposable or compromised hosting. Heuristics indicate this is a link farm designed to direct users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://archism.ru/uplcv?utm_term=pulp+fiction+furious+anger PDF link annotation
- http://melhi68.com/clients/69549/File/822488863.pdfIn PDF document text
- https://towa-aaa.jp/userfiles/file/64327501922.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/zujuzejopilugepogixuf.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160a006e68f68c---patigefuwimibezanezaxusu.pdfIn PDF document text
- http://havefuntogether.com/image/upload/File/53801440918.pdfIn PDF document text
- http://sgrappresentanze.eu/userfiles/files/siderutizejitujoseb.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/b171b3caf5773596d97137aed99ca99f/lulajimokikesodipoxuto.pdfIn PDF document text
- http://richardarnoldalumni.com/clients/a/ad/ad1dcfa6f69ac51e3fe6bec18f6cf6d6/File/kataj.pdfIn PDF document text
- http://msamerica.net/clients/873634/File/98385293594.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/7949f2566aa4554db6401642a7a23137/55833836153.pdfIn PDF document text
- https://zzwgjx.com/d/files/7312247159.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/e9dd24bf4f2d39a3b7ea20cbd2080abd/petemirerupevijalopuboxat.pdfIn PDF document text
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/846b103c7ea8ba8132ea23693e9076c6/sidixalup.pdfIn PDF document text
- https://cengilli.com/icerik_images/file/kexoxesewurotoxuwigepivu.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/160af0e573e9ed---47307999324.pdfIn PDF document text
- https://www.medicalbi.com/ckfinder/userfiles/files/gizanovomolonugafetoso.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608a45f6846e9---doxawofikexopemola.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160acfd00b4dbb---wujetufurenebubemidepaw.pdfIn PDF document text
- http://kashima.cc/userfiles/file/jarolezodimarovowimesebuz.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/6989e171b725849d827abd0f9a8cc42d/293450755.pdfIn PDF document text
- http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/54244866168.pdfIn PDF document text
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef46821990---mezaveguforiju.pdfIn PDF document text
- http://clinical-pain.com/pds/userfiles/files/seludox.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a5986b7d7a---weroso.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_off0000db15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB15 | 18940 bytes |
SHA-256: 1aa2026d2f8ab3dff55b8fb35c98bb5191ce74f01784b2129574bc527d8edc5e |
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font_01_sfnt_off00010bc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000123dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123DD | 10756 bytes |
SHA-256: ded1a974dbfe6f4d582f4c3d5624fe67e1718cb87e6fd6b6c7f53dfd8bff4afa |
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