MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as a malicious PDF by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to compromised CMS uploads and disposable hosting sites. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://backupcenters.com/userfiles/file/tivozuponevusegivamel.pdf In PDF document text
- http://brava-ekb.ru/userfiles/file/regedefawiserixapovekozab.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c304d9f44b---82037991660.pdfIn PDF document text
- http://ufcnagykanizsa.hu/userfiles/file/7434460818.pdfIn PDF document text
- https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/48368217458.pdfIn PDF document text
- http://bagodilovaspark.hu/userfiles/file/17312654379.pdfIn PDF document text
- http://crescentcarpets.com/userfiles/file/35856600984.pdfIn PDF document text
- http://pho32shabu.com/uploads/files/79507077539.pdfIn PDF document text
- http://zvezda-rostov.ru/ckfinder/userfiles/files/navamejakarirem.pdfIn PDF document text
- http://herve-coiffure.ci/files/wodupexesatulitokipimegod.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133aa72d63b9---luzizosarufop.pdfIn PDF document text
- https://sieuviet.net/webroot/img/files/luwik.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/ae2f9b1a3333819f948a2a27268b6c4b/70648806024.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/85078272749.pdfIn PDF document text
- https://giorgiosantinelli.it/file/zisevux.pdfIn PDF document text
- http://studiogallerani.it/userfiles/files/lerewevidojajafemev.pdfIn PDF document text
- http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/26872620201.pdfIn PDF document text
- https://haltia.mx/sii/ckfinder/userfiles/files/ganiligukelowukoropif.pdfIn PDF document text
- https://vcubusinesssolutions.com/userfiles/file/rowuw.pdfIn PDF document text
- http://texinpack.com/uploadfile/file///2021090211034048.pdfIn PDF document text
- http://kibbkw.com/uploads/file/mikosijo.pdfIn PDF document text
- http://mardeestilos.es/fotos/file/46517881849.pdfIn PDF document text
- https://dpt-mh.com/uploads/news/files/97802325544.pdfIn PDF document text
- https://eirai.org/editor/ckfinder/userfiles/files/91510768724.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=professor+layton+android+gamePDF 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_off0000ed75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED75 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010587.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10587 | 17024 bytes |
SHA-256: 066d1423a47cfd15f25548f984def60226760e1d8c02cb83ec0d1ba27dc51472 |
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font_02_sfnt_off0001315d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1315D | 10812 bytes |
SHA-256: e089fed0aa399f42121cb974ec870205b039f3c777a4280dda369b5da754505d |
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