MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The document body, though heavily obfuscated, appears to be a lure related to downloading Windows 10 enterprise, a common tactic for tricking users into downloading malicious files. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://allytemp.ru/uplcv?utm_term=how+to+download+windows+10+enterprise PDF link annotation
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160bc37ac3542d---biwos.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c01a7e1ac---81386556313.pdfIn PDF document text
- http://ahchala.com/img/file/pepasamagino.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1609a66f95facf---nizoteranez.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/4d6d283d00e900934080efca3e3955eb/niwemajirera.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/b2e4aee55de1b1b44887269111663858/47654245571.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608265afe8a72---mugufabebijajasemutatezu.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609c58327af99---75043123591.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9b842b60e---3401043888.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf2a8d7a89---tazirokixekosudabeb.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/55652892efb1eab7169f848ffa9ed7ff/59399729711.pdfIn PDF document text
- http://hanhthien.net/uploads/file/29152470413.pdfIn PDF document text
- https://damiel.eu/userfiles/file/kejok.pdfIn PDF document text
- http://esoftland.com/userfiles/file/matimigemixetutasonibixuk.pdfIn PDF document text
- http://amuseonline.com/absite/userfiles/file/65866971143.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/a2cf39fedd0c76eacda1467d68682c59/fupalarilijowew.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/16779381382.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e71a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE71A | 4988 bytes |
SHA-256: b0c738044865af58fbb4279bce2e0213424828a9ce9916868c46df34ddd0caf3 |
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font_01_sfnt_off0000f822.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF822 | 10192 bytes |
SHA-256: fcdf382c53249ae05550a5bf295cab0b88321cd215ece1f86c68580e23e5591c |
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font_02_sfnt_off00011ab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AB9 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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