MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous links, many of which point to compromised WordPress upload directories and disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://tribo.kz/userfiles/File/7236796412.pdf In PDF document text
- http://buergerforum-tirol.at/file/kisas.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/f2c5b91eaf4640606318eb8866e1dfee/99527282588.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/c1121bdebf277961b88920ef961a24ba/95808527686.pdfIn PDF document text
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/vnnl1d210e54ce6c38j8obn2v9/fupolasudujuluwim.pdfIn PDF document text
- http://kaowei.tw/image/files/20210605_215417.pdfIn PDF document text
- http://albatrossmrn.com/konadnew/userfiles/file/92299259990.pdfIn PDF document text
- https://bodegoncriollo.com/userfiles/file/navibutobivunekisade.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160730647f2cf6---buvupugisofubebesun.pdfIn PDF document text
- http://saharun.org/uploads/ckfinder/userfiles/files/51186455965.pdfIn PDF document text
- http://softtox.com/new/userfiles/file/83551237354.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/493dbd939e77fd9a32f2580469253c8b/53671382676.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16076c98f3791a---jamopajis.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160ae0515555a1---pivujulagusazitovibefaz.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b607377629---47881697151.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/0jocu3njgrpnr46e2tfs612386/leriwegono.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/dvikhkit27h0t2acemfddgt3la/72362309694.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/59527286665.pdfIn PDF document text
- https://eletvital.hu/uploads/files/xonamomabazome.pdfIn PDF document text
- https://sieuthigo.vn/upload/ck/files/babosixop.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=brother+mfc+795cw+manualPDF 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_off0000ea69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA69 | 10932 bytes |
SHA-256: 7137830b5f7220eb7f52b00073f52d4696422ae6f66aa5d0d801f7ad742a0ad2 |
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font_01_sfnt_off000103c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C9 | 18352 bytes |
SHA-256: cbcfcb0a13ee7f64ade224abd421e8d2c64b934776d991b45805baad1646d42d |
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font_02_sfnt_off00013341.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13341 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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