MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. No scripts were extracted, but the overall structure suggests an attempt to host malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://erdenet.mn/userfiles/file/xavamutupexidu.pdf In PDF document text
- http://jcon-aps.dk/userfiles/file/18926889371.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/04458cf9e0781282bf78e1bab05f0f6a/zumugededukezedezines.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc981cac91---48762795695.pdfIn PDF document text
- http://fautographie.org/images/userfiles/files/fexizunewenefamo.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/g5bauco52p2o8u6kk2oen8lsl1/37318555461.pdfIn PDF document text
- http://aclamerica.com/customers/CMS-IMAGES/file/9140970804.pdfIn PDF document text
- http://minerva-collection.net/files/files/famaronidosaxi.pdfIn PDF document text
- https://ncvpte.in/userfiles/file/46138647877.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609899f2ca739---17481567749.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/11u9camo6gkfkvq1ke4ea3ig0h/9418044043.pdfIn PDF document text
- http://nusratali.com/userfiles/files/30745274328.pdfIn PDF document text
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b3c88053a5---kazip.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/2fa165338b62fcdc908e1e5ad5314bb7/15833278009.pdfIn PDF document text
- http://samurairamenbar.com/uploads/files/mufaxaj.pdfIn PDF document text
- http://zjhywt.com/images/upload/File/49383451472.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/a4c2l04a15qulrl1k7saa2g3ur/serananegaregu.pdfIn PDF document text
- http://richmediahouse.com/admin/uploads/file/nozoxudesef.pdfIn PDF document text
- http://qianxi.cn/filespath/files/20210812231027.pdfIn PDF document text
- http://artkulinaria.pl/sites/default/files/file/kijakisegagegaki.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac03688a4d6---83534810109.pdfIn PDF document text
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/2372d9324dcd2ef404387d8a5d528f5f/mitokokejimajagizajal.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2bbfe612f7---94108472995.pdfIn PDF document text
- http://kasaitogo.com/uploads/files/90356738868.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=haikyuu+ost+piano+sheet+musicPDF 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_off0000dd94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5AB | 10788 bytes |
SHA-256: be2b8a97ac144c22f6cf62a95daf4254e7cfc3bbb57a49279aa53eb0e931f79b |
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font_02_sfnt_off00010e61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E61 | 17252 bytes |
SHA-256: 5a25383f20a164df2dce2ac01fab9dd7bde9023c27fbf31c3266aabe4d08a3bb |
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