MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest a phishing or malware distribution lure. The ML classifier and ClamAV detection further confirm its malicious nature, likely serving as an initial vector for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://medvor.ru/uplcv?utm_term=cryptotab+pro+apk+full PDF link annotation
- http://vitalchurchesinstitute.com/files/file/rosisa.pdfIn PDF document text
- http://artetendasud.it/userfiles/files/mizazelup.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16139060998893---nezidarabaf.pdfIn PDF document text
- http://geometrabottero.it/userfiles/files/79929794921.pdfIn PDF document text
- https://horgaszvelem.hu/ckfinder/userfiles/files/fevuza.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/161373ed02258a---gozoku.pdfIn PDF document text
- http://newworldss.com/uploads/file/lodirutositapi.pdfIn PDF document text
- http://rasmesafar.net/basefile/basefiles/2155053893.pdfIn PDF document text
- http://le-bouquet.be/userfiles/files/98108573230.pdfIn PDF document text
- http://hataylezzeti.com/resimler/files/zegagafuninunaxipat.pdfIn PDF document text
- https://sunpower.lv/ckfinder/userfiles/files/darevawaxesezisejokopefa.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6504cd4c6---4175841351.pdfIn PDF document text
- http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dizijiwogijudomewaxiz.pdfIn PDF document text
- http://profstil.az/userfiles/file/zoxorubifizugowusofo.pdfIn PDF document text
- http://brain-sh.tw/upload/file/wunawelajagimatopowevopu.pdfIn PDF document text
- https://deltarealestate-eg.com/userfiles/file/jedukoronibemufesebuxiw.pdfIn PDF document text
- https://piataafacerilor.ro/app/webroot/files/userfiles/files/gaxaxageraxiwafivovomav.pdfIn PDF document text
- http://golfvillageonline.com/userfiles/file/giniwafufawudabelamuraguf.pdfIn PDF document text
- https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/surinarabemuwaful.pdfIn PDF document text
- http://trungnguyenjsc.vn/uploads/image/files/67715004077.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/46989177013.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613106e969216---sodexesamufiwitakigis.pdfIn PDF document text
- http://ttworld.hu/uploads/content_files/files/17135228746.pdfIn PDF document text
- http://marathon-gexin.com/Uploadfiles/files/39057653681.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021090909012732.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_off0000bd1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD1E | 10332 bytes |
SHA-256: 5200e04f6ff985e62839ba8923415a0b67ee62bde106a714bc015f5b771f5cbd |
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font_01_sfnt_off0000d465.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD465 | 17924 bytes |
SHA-256: 6a84bb2416b778e40ff4f3c0c2258be628d2ffd2833907a0aa527b34f91ab8f0 |
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font_02_sfnt_off000102bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102BC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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