MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the PDF structure strongly suggest it's used as a lure, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://painttechvina.com/webroot/img/files/nodozoverawunumulo.pdf In PDF document text
- http://guinyardfamilyreunion.com/clients/62985/File/9812593473.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/696276240a440d6dcefeb04f42b28a76/28201736494.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/83ed1ac5d920c679f6d5228a47f2c920/26099664371.pdfIn PDF document text
- http://mkconline.com/landmark/ckfinder/userfiles/files/rixaku.pdfIn PDF document text
- http://maristaslardero.es/userfiles/file/28770725139.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/161151537a2cba---benivezininopoz.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/09e778691ab706f682c3afec95dba1f6/46215147964.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/pixamadezuwemew.pdfIn PDF document text
- http://ansonseatery.com/uploads/files/xizevewibadavoxamam.pdfIn PDF document text
- http://chono.mn/uploads/userfiles/files/gikunulozilarif.pdfIn PDF document text
- http://gourmethousemacau.com/UploadFilesfile///puviloziwilabomazusana.pdfIn PDF document text
- http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b36bbaacd1---sikenurukuwi.pdfIn PDF document text
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/50f727db8d2d322190401b9be4d12e4e/81651431344.pdfIn PDF document text
- https://safrano.pl/userfiles/file/98079600330.pdfIn PDF document text
- http://guowangcable.com/d/files/1351217637.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d20d83c267f---5709423468.pdfIn PDF document text
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/bio50k3rcsep6m6utgtvg8u5mf/15657138371.pdfIn PDF document text
- http://menloathertonhigh1980.com/clients/6/6f/6f83464fe0b13873896cace574d4baa5/File/36469597265.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/147a8a6d37b1b1800796e9f54cc904f0/92012253013.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/56433026706.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/de179a1c979956f53eac5d903b5ae568/67779368184.pdfIn PDF document text
- http://valdhans.cz/userfiles/file/79089985311.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=grammaire+progressive+du+fran%C3%A7ais+niveau+avanc%C3%A9+pdfPDF 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_off0000be12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE12 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d629.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD629 | 11376 bytes |
SHA-256: 015bfccdf404b1070d3b745fd71df3f87800298e2cf732a9dae24e4ba8c1b4e1 |
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font_02_sfnt_off0000f029.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF029 | 16460 bytes |
SHA-256: 308133a27cbfffbf8e3b97958ee3530178e02f8cecbc8cd154573ed50067d24b |
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