MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The primary purpose appears to be directing users to potentially malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://oniceh.ru/uplcv?utm_term=vlookup+in+excel+in+two+sheets
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b97d14687ab---wazefiragesugusu.pdf
- http://au-coeur-du-temps.com/userfiles/file/64556527572.pdf
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094a050a5077---2196694407.pdf
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bd5b2b1e674---vopivijugemefu.pdf
- http://adance0112.com/upfile/editor/file/66693572181.pdf
- http://99hospitalitygroup.com/ckfinder/userfiles/files/38506963023.pdf
- http://0-50.ru/userfiles/file/48959608495.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad40a6d727d---domodudatanuwezafiwuwigub.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/addc413c0b557a1b4f977a71d210f4b6/rutekoxefazawivelinusaxe.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/d6bedb4f3c93e8b39f8457d2c387a229/38153976523.pdf
- http://www.iece.in/userfiles/file/mobojovoligujuzatuw.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160933cc8120f1---2217605855.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ac63e138d---libikusubuzuriregul.pdf
- http://asude.istanbul/ck_images/files/59036781748.pdf
- https://pinpointfeedtech.com/ckfinder/userfiles/files/22756054813.pdf
- http://aldara-latinoamerica.com/userfiles/file/37064348661.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609b6210df126---46667751350.pdf
- https://fotobolfestmeny.hu/mvc/userfiles/file/suzokadusilerubovi.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bac3fa45207---94783238022.pdf
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/4232c5653ef122d418c89900aae6d306/lesitedig.pdf
- https://aradovan.com/userfiles/file/jivofuki.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ffdd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFDD | 16792 bytes |
font_01_sfnt_off000117f4.bin350b63da3c6c57f54228c65ab994f4c85309da9457107f0ca79876a93d405eab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117F4 | 10556 bytes |
font_02_sfnt_off00013014.bin4df97c76e32bb013cd910ac61eddbc090439c1605433da9afecb997773b603d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13014 | 17628 bytes |
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