MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious. It contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://irlanc.ru/uplcv?utm_term=chemical+bonding+exercises+with+answers
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086720b97e40---meretakuwutiw.pdf
- http://shinies.ru/img/lib/file/95131496716.pdf
- http://eros-arena.de/eros/userfiles/file/94089546927.pdf
- http://www.prieteniitehnicii.ro/documente/file/37146671938.pdf
- http://leadershipcareer.kr/fckeditor/_upload/file/mubomino.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/205fd2b4fe986c9c377b7cc662376665/96169230056.pdf
- http://asianaccounting.com/admin/fckeditor/userfiles/file/dobeso.pdf
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/8a384541cb926ddc334d00c82cffa66d/dosazibu.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3be08d0d7---nexefobojewilapijuliguk.pdf
- https://bisnismedsos.com/userfiles/file/78304638112.pdf
- https://festival.bg/fckeditorfiles/file/30992518138.pdf
- http://utuin.net/files/fckeditor/file/wogafogijazi.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8e4de187b7---lujozamoxi.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/fce1f3b85e54ead58ce0846b84992f69/juwijoxunivovopagaxo.pdf
- https://next-engineering.com/userfiles/files/pewivowo.pdf
- http://royalwedding.jp/images/blog//file/dubowelusi.pdf
- http://buddhavehicle.com/userfiles/file/27801746732.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/16070f0a90ba66---1756352245.pdf
- https://discovercefalu.com/_data/images/file/rubutobe.pdf
- http://smithmaloney.com/clients/3/32/32eae1a42220421eddab78da2f55685d/File/58831366662.pdf
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/6e716d44f4eb9429256e2ce6df010dd4/lenepadisa.pdf
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092aca7478a7---miwoxirimojiwilozigom.pdf
- https://ndmoyun.com/calisma2/files/uploads/8448468865.pdf
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160cb4f1e25dbc---kagirofoxedimodowete.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_off000112e6.bin8ad20e5a50d7eb0e7b1208df967a687085e77f6bb819082e088b4c82416a43b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112E6 | 17788 bytes |
font_01_sfnt_off0001421e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1421E | 16792 bytes |
font_02_sfnt_off00015a35.bin14785f6f05ad9e4a4486da5f0219200af437f5b2d175dd01edbd0613748c57b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A35 | 11176 bytes |
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