MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the nature of the detection indicate a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/161351dd68fe58---11460732472.pdf In PDF document text
- https://www.netcorp.hu/data/editorfile/nitaboduv.pdfIn PDF document text
- http://hpworld.hu/data/pic/Image/file/24300628774.pdfIn PDF document text
- http://odumakus.com/uploads/files/xugezasojukebax.pdfIn PDF document text
- https://regionalhealthprogramsww.com/images/file/65154182920.pdfIn PDF document text
- http://manchetenewsms.com.br/ckfinder/userfiles/files/96355824607.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613f4db9ac6cf---putapowikok.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1614290d5aaae2---83332897502.pdfIn PDF document text
- https://adci.vn/data/upload/file/daporukunodogufizojuwime.pdfIn PDF document text
- http://baocaosuhoatoc.com/luutru/files/46191584361.pdfIn PDF document text
- http://xn--80aafbjcazdrhzgiddbbcsg4l.xn--p1ai/pict/file/83600062157.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1f2ef1769---6386435305.pdfIn PDF document text
- https://bvphcn.bdata.vn/upload/files/wabugamedobaxirogatizosip.pdfIn PDF document text
- https://hurghadalife.net/userfiles/files/bexezajitoz.pdfIn PDF document text
- https://strechybenesov.cz/content/zosefobiwogadoj.pdfIn PDF document text
- http://djapm.com/userfiles/file/91619029977.pdfIn PDF document text
- https://gencerenerji.com/resimler/files/fagaradugemememukusa.pdfIn PDF document text
- https://silky.ae/images/bulk_images/files/fipuni.pdfIn PDF document text
- http://take114.kr/FileData/ckfinder/files/20210915_41DEC73251BBCA29.pdfIn PDF document text
- https://goodluckfishing.com/ckfinder/userfiles/files/pilifikapojufakitokos.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/96e4a6af4eef53639187b7751aa453be/sagenepotujazo.pdfIn PDF document text
- https://bloomlight.pl/_bloom/file/tupax.pdfIn PDF document text
- https://namdolove.com/FileData/ckfinder/files/20210909_4A54B6DB0A44E4EA.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=best+recovery+image+for+androidPDF 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_off0000d78e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD78E | 11008 bytes |
SHA-256: 0ec38f74163c41ea22f0a0c8871c4e4d847020036c37ab70e568fa32a117111c |
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font_01_sfnt_off0000f10a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF10A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001091c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1091C | 17368 bytes |
SHA-256: 8815415517efdde54b8a3d4f202b3506439f7b7895f87c6ae1b9ff838e3fe2f1 |
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