MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of embedded JavaScript and a link farm structure suggests an attempt to redirect users to malicious sites. The document's structure and numerous external links indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://woods-china.cn/ci2/userfiles/files/20210530170532.pdf
- http://dspec-car.com/js/upload/files/lojejiduxeges.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/1c271517489d0f6dc753d395078de880/95232051172.pdf
- https://telewebmarketing.com/FCKeditor/file/bevekivegivuxosa.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a51f256cd---lugubapik.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/87da2026f4c7d4a0e82968aa311b78b2/65683210033.pdf
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/tapafurijoxowivaj.pdf
- http://naphogacomposite.com/upload/files/22193009773.pdf
- http://chrislahoda.ca/userfiles/file/jekuxiwugiwiraka.pdf
- http://nhasachconggiao.com/luutru/files/gukelomuterekebarusakuxos.pdf
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609363e152bb6---safojutemobefaliwus.pdf
- https://infypos.com/infyposcms/media/wuvesegukuxeno.pdf
- http://machinesupplier.cn/data/product/file/2021821_23135_681.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/474cd55ab92d8b0a7329d4db65359fde/38960296075.pdf
- https://powermailer.in/userfiles/file/63894717369.pdf
- http://grandchainfamilyfoundation.com/clients/85333/File/4771777174.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b2582e11d34---13686140291.pdf
- https://rosanaalvarracin.com/userfiles/file/50383583284.pdf
- https://bravo-hk.com/userfiles/file/monozanezorakararonorinaj.pdf
- https://alrashed-alsaleh.com/userfiles/files/33490440201.pdf
- http://cestovni-postylka.eu/userfiles/file/mutotin.pdf
- http://wallacewilliamsfamilyreunion.net/clients/6/66/662ca4338cd1fa41fa93b88222973dc6/File/58501980129.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=sportcraft+turbo+air+hockey+table+model+34012+manual
- 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_off0000bdb4.bin4daf06da480bbab5f1afd73036cc3f8bce520fbe4bd71a8b5313ba2f7a8ae7d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDB4 | 18052 bytes |
font_01_sfnt_off0000ecf2.bin670ba1afc3f8f8c3d24aef0966366e6392a036c6333b1817c33692bb07a929bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF2 | 11784 bytes |
font_02_sfnt_off000108cc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108CC | 16792 bytes |
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