MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised CMS uploads and disposable hosting, indicating a link farm designed to redirect users to malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall pattern suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://archism.ru/uplcv?utm_term=how+to+draw+a+straight+line+in+gimp PDF link annotation
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609216c0636d9---fexanunovelogebozoxutiso.pdfIn PDF document text
- https://stillwaiting.org/userfiles/file/jesomejenoboruj.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16097e83dcb023---kasoxumurakenuzudi.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/celfh36lfr276ceoegc0nm9tc5/zadiboxuwunasuw.pdfIn PDF document text
- https://facades-et-traditions.com/actualites/file/fovane.pdfIn PDF document text
- http://leebyunghun.kr/new/upload/board/files/9758609582.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/dbt9u6gqecirh877i1vmr7da24/88327691860.pdfIn PDF document text
- https://gilbertems.com/videos/file/14473202505.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/16072116713cd8---44348843612.pdfIn PDF document text
- http://perles-del-beya.com/userfiles/file/doxadisizevosifujugafivo.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/56deb4160611df09f098043fa322c900/vilasixa.pdfIn PDF document text
- http://hillcresthigh1971.com/clients/9/9f/9fbf9047a6869172a982db6f42f05a9a/File/popozexoritijajakirus.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/t36oqemajqk283hif4gil9qlk0/93440922533.pdfIn PDF document text
- http://uss100.com/clients/5/56/562308f4da1da23328cfd9e5c9f3e68f/File/51250195351.pdfIn PDF document text
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/366c8946b8167c1b08507d8039c3864b/24906730048.pdfIn PDF document text
- http://asfalon.com/__files/file/76396818007.pdfIn PDF document text
- http://aweibel.com/Photo/file/wedumifupitobiwibebilogoj.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609a000bbcb57---38904738429.pdfIn PDF document text
- https://bursac.net/userfiles/file/51509559110.pdfIn PDF document text
- http://nagymester.com/userfiles/file/57379689240.pdfIn PDF document text
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/06b5049418196df164caf1b48849d042/19714101039.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/voloxigubajagulafusaxemu.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b290373a7e---dotinuribad.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/71ff6a02bb5661ee138c09755730ab7b/serapapibidajepubem.pdfIn PDF document text
- https://hzautomatisering.nl/userfiles/file/86517096729.pdfIn PDF document text
- 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_off0000f1af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000109c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C6 | 10916 bytes |
SHA-256: 30aa400c12a4bf76c7a5cee596854ab089736cb4803e32260e7f88f03dc6f5b2 |
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font_02_sfnt_off0001229b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1229B | 18880 bytes |
SHA-256: f6179d4b0444a1bd9820d2f73762fcd2eb7898f10395e4cac521131cb96806a5 |
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