MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a phishing or link farm operation. The PDF structure and heuristics indicate it's designed to redirect users to external, potentially malicious, websites.
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://queure.ru/uplcv?utm_term=gay+male+chinese PDF link annotation
- http://www.greddy.com/admin/common/ckfinder/userfiles/File/kapujekivakuzopiva.pdfIn PDF document text
- http://goodtraefarm.com/ckupload/files/midorumedikijagudurak.pdfIn PDF document text
- https://ingatlansos.hu/images/userfiles/file/detegupupomuridugezu.pdfIn PDF document text
- https://kindeeyudee.com/ck_files/files/letowubazawewi.pdfIn PDF document text
- http://ilkconstruction.com/Images/Media/files/95694926024.pdfIn PDF document text
- http://sintellect.ru/Repository/file/56403959695.pdfIn PDF document text
- https://charteriraq.ir/basefile/charteriraqir/files/tupezifibiwajepujeweti.pdfIn PDF document text
- https://indiantiffin4me.com/nbloom/fckuploads/file/57264228019.pdfIn PDF document text
- http://xn--oy2b19v1mb1yi.com/userfiles/file/ladibo.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/wesiloxaluralekax.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/b134f1c3881204af7179ae21c610cc99/naguxubonimunusisibemix.pdfIn PDF document text
- http://piri-piri.pl/ckfinder/userfiles/files/23140805127.pdfIn PDF document text
- http://simsvizag.com/contentimages/file/rajilominapupikupuxopu.pdfIn PDF document text
- https://stef-nancy.fr/upload/document/45067130020.pdfIn PDF document text
- http://daoltrading.com/userData/board/file/bogedimupusufegabutuxe.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616b91e140a9e---46960884868.pdfIn PDF document text
- http://food-cloud.com/home/food-cloud/www/site/site/data/files/34527291839.pdfIn PDF document text
- https://kalyna.ua/sites/default/files/userfiles/file/volosonivo.pdfIn PDF document text
- https://ikima.fr/uploads/file/zozize.pdfIn PDF document text
- https://mamotato.ro/userfiles/file/71877660997.pdfIn PDF document text
- http://fotografoenricogiampieri.it/userfiles/files/55270642490.pdfIn PDF document text
- http://grandfiltr.com/files/file/lununakapota.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/tmp/28627058179.pdfIn PDF document text
- http://xn----7sbqwxdbhblh2h.xn--p1ai/data/file/lepevemuf.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_off0000d1fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1FE | 10328 bytes |
SHA-256: ae24d3e1164024e6e05ca1869f90489629b330a721e8570b9c1a4f4dcf64b118 |
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font_01_sfnt_off0000e911.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE911 | 23304 bytes |
SHA-256: b8c91d41866adaf68f9823766f3826ca9ef212d3857d32b5d4824e92dbae9736 |
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font_02_sfnt_off0001252c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1252C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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