MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics identified it as a link farm, with many URLs pointing to compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of numerous embedded URLs, many of which are unknown or point to suspicious domains, further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/gu0u5t0q3eq8sil7vk1fhsr8ih/60235323418.pdf In PDF document text
- http://coimbrasoftware.hu/images/uploads/files/sadadegilekonutu.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/j7ggunu6i6q04kur3eo6b9grk4/gufepegiki.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/e2538d77dc25cda387f42020921db3b3/63783599187.pdfIn PDF document text
- https://pasarangroup1.com/contents//files/poxip.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160bc0c3394381---83043661814.pdfIn PDF document text
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aafcff1167---39833952157.pdfIn PDF document text
- http://xn--or3bi2da319p.com/upload/fckeditor/file/3786528690.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/314ab519bbe377129a3d9dd4504b71a6/17660588569.pdfIn PDF document text
- http://xn--h49al71atridzo.com/userData/board/file/keguvanifora.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/79341936218.pdfIn PDF document text
- http://auchli-appenzeller.ch/userfiles/files/86767109359.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/mus5panft2qjs8gsl9o7dfopjh/nunuk.pdfIn PDF document text
- https://herfection.tw/upload/ckfinder_temp/files/20210618201623.pdfIn PDF document text
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccbcf09572---33390481854.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e41b5400982---86139610744.pdfIn PDF document text
- http://argol-editions.fr/userfiles/file/62694133723.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=statistics+for+managers+using+microsoft+excel+7th+edition+pdf+free+downloadPDF 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_off0000e666.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE666 | 17128 bytes |
SHA-256: 8b7fc18a1bdb6546a2f580fabd004698d984aada98af1923c144d52b6fa41eb6 |
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font_01_sfnt_off000112ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112ED | 11480 bytes |
SHA-256: 7e9deb3de62060e06f7a5d0ae5d0de58c2e0e56a3aa18f13b77e3a3d30534675 |
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font_02_sfnt_off00012dd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DD1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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