MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which appear to be hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The presence of embedded URLs and the PDF structure strongly suggest it's designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://laborke.ru/uplcv?utm_term=important+english+words+used+in+daily+life+pdf PDF link annotation
- https://m-astar.com/UserFiles/files/26726291254.pdfIn PDF document text
- https://hoalavender.net/upload/files/80165422319.pdfIn PDF document text
- https://www.akilciilacdernegi.com/ckfinder/userfiles/files/wedexoturedebi.pdfIn PDF document text
- http://www.celso.org/download/37242374060.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/e22cde022d47d4425bceea8e4dfac0ca/lupokukigifuv.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/bulubez.pdfIn PDF document text
- https://magerp.org/upload/files/bejobinivokituvofusap.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/a3j63ggigfkpj28s9qu4vkqbhs/28810695879.pdfIn PDF document text
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/43714825758.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/42046e4c0e9c49a0d015d1d2f2aa37ec/85525805623.pdfIn PDF document text
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16099e9aa34d7c---mesanozupobebezunamit.pdfIn PDF document text
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/80190321355.pdfIn PDF document text
- http://pospatrans.cz/UserFiles/File/fuxebedu.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/0620a9cb5d36221c97362985604d9434/79880189659.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160da7ff62ea39---81979558810.pdfIn PDF document text
- https://llsindia.in/FCKeditor/file/77415907212.pdfIn PDF document text
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/903dd20e1c4d6209cdbcf2192b2c6e27/nipodejivewekepin.pdfIn PDF document text
- https://bookatowncar.com/userfiles/file/19282825664.pdfIn PDF document text
- http://obchodsezlatem.cz/upload/files/41702891599.pdfIn PDF document text
- https://vaynhanh365.net/contents/files/77716174080.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/miradepazonituke.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/2c98bd9ca11a3a4c9844426ffc55636c/81119884789.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/9cf1ca9542f635baa38cc18fa172128a/lavesedotoweralubi.pdfIn PDF document text
- http://vinhthuan.com/upload/files/58085952418.pdfIn PDF document text
- https://tsydesign.com/userfiles/jws/files/zunojuw.pdfIn 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://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_off0000c0ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d911.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD911 | 16912 bytes |
SHA-256: 349cb611c212b0b39318a9abc17e76a657887609bf8b1397032bbabfd3dff09d |
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font_02_sfnt_off00010454.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10454 | 11196 bytes |
SHA-256: f6fbf230a4826771c4c1e837f819b7467fc0ba8a325b98a5a0766dfd23f01d16 |
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