MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to potentially compromised websites. The presence of numerous unknown URLs and a specific compromised CMS upload link further supports a malicious intent to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://hattoco.vn/images/ckeditor/files/fiponawosa.pdf In PDF document text
- https://dynasty888.com/image/files/20210915_002522.pdfIn PDF document text
- https://bccphil.paramedix.biz/uploadfiles/file/nudifetusiluzakimubudex.pdfIn PDF document text
- http://silver1979.com/upload/file/63797072767.pdfIn PDF document text
- https://globalcircle.club/userfiles/file/44182302330.pdfIn PDF document text
- http://jar-ted.pl/file/57937252053.pdfIn PDF document text
- https://privatecambodiatour.com/userfiles/file/rewezun.pdfIn PDF document text
- http://easyliveconstruction.com/ci/userfiles/files/tojilomunobak.pdfIn PDF document text
- http://viral-list-machine.com/ckfinder/userfiles/publics/files/dopefade.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bc885c2d69---99901684800.pdfIn PDF document text
- http://baraanduliaptti.org/userfiles/file/wubipulisugerejozadi.pdfIn PDF document text
- http://recviem.ru/img/upload/24479480020.pdfIn PDF document text
- http://runbo.net/upfiles/files/16320527378072.pdfIn PDF document text
- http://tantex.org/tantex/tantexuserfiles/file/dubiboveruxir.pdfIn PDF document text
- http://vertracapital.com/uploads/files/wepov.pdfIn PDF document text
- http://xinyuemu.net/assets/202109/files/20210912112402189748.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff4a561646---fovupamisoduwutemafoj.pdfIn PDF document text
- http://bilmatbasim.com/userfiles/file/muxixozemijak.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16140c2c0d18a9---komemimobepevivaligogu.pdfIn PDF document text
- http://steelfurniturecn.com/d/files/16513727728.pdfIn PDF document text
- http://jx4d.com/userfiles/file/gijobelitajugebisawete.pdfIn PDF document text
- http://wittymall.com/multimedia/userfiles/file/36486500377.pdfIn PDF document text
- http://namadagaskare.ru/ckfinder/userfiles/files/59593915730.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=benefits+of+ict+in+classroomPDF 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_off0000ae74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE74 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c68b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC68B | 10548 bytes |
SHA-256: 48cac9ee2fd3003608ff0d16db08acd0917a8fe3b7ee4e8b25269aa6880031c5 |
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font_02_sfnt_off0000de9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE9E | 14824 bytes |
SHA-256: d3c2e4509911e5a508307ff801b8acb6cc171b903b7f57c7078dadd6fc9820c3 |
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