MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to other PDFs, many hosted on compromised CMS upload directories, suggesting a link farm designed to obscure malicious content. The presence of a 'download' button lure further supports the intent to trick users into downloading files. While no scripts were directly extracted, the ML classifier strongly indicates malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad6d4dd848c---gemuperegogoruretajuzowaj.pdf In PDF document text
- http://adams-gold.ru/archive/image/file/71380838093.pdfIn PDF document text
- https://sonarmusic.hu/up_image/file/21012605318.pdfIn PDF document text
- http://garderoba.sk/images/_file/39022306698.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/385617fc728fe71659e7d58cbf0f8200/90172117762.pdfIn PDF document text
- http://woods-china.cn/ci2/userfiles/files/20210608135246.pdfIn PDF document text
- https://myphambambi.com/webroot/img/files/wewexogawat.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/59408994c3c5bc92ba2fe2f83d5ab26e/vefak.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/mqq21egbbskarmm9k3b3ldht67/9884916706.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/0c763eb23a3959fce1abdb418dc040f4/vuvuwowojuporejerisa.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099938d62871---98983777463.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608665e2a502b---timuf.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/3787655158.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/d3efabaea485e76041611bac842701eb/84646294331.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=pokemon+ultra+sun+download+ciaPDF 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://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_off000126cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126CF | 5132 bytes |
SHA-256: 874be44ac761b40783929b2592084251aa706ce4b4cfb708d2149b50f5a19257 |
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font_01_sfnt_off000138ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138AC | 5240 bytes |
SHA-256: 93f0c2035f4f93a7150ef04409edcfe97dde1f7f77809af67921119076eec7c6 |
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font_02_sfnt_off00014a7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A7B | 23400 bytes |
SHA-256: baf47e0b45f582424a19ae2be514bbc5da20f37cc47616aa9b144f05776e5255 |
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