MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript and links to external URLs, indicating a malicious intent to lure users into downloading further malicious content. The presence of urgency language and the use of a compromised CMS upload link farm suggest a phishing campaign. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.7256
Heuristics 8
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://coretry.ru/uplcv?utm_term=locked+on+browns PDF link annotation
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/lok3tf3oumikj7u52qhusnu3ok/datodiwovezolifegadulupo.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c79d8062d4---86958906559.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2e283a025---93610315004.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/irdv00clovfl9d69nluqaifkgs/digudiju.pdfIn PDF document text
- http://kompletucetnictvi.cz/files/file/wolezijim.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160be5cdf7f843---68740612620.pdfIn PDF document text
- https://susta.vn/userfiles/file/52500220323.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160b444a5dd744---50639746134.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/627618ce6b593bf6112f18229a7dfa1c/49699405873.pdfIn PDF document text
- https://cafesca.mx/ckfinder/userfiles/files/poxosorobukip.pdfIn PDF document text
- http://casaatlantida.com/userfiles/file///xuketalebexosofodu.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/4d098c347b7327ee4f8f3193ff27bbef/8041746509.pdfIn PDF document text
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/htvuf0g8lkqkhtv9c0k2dg5tt1/poremolofumut.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/3415298704.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/0a84b1c0898eb8181d851084e1be19a3/21559805104.pdfIn PDF document text
- http://mundori.com/js/ckfinder/userfiles/files/gipejufusaganag.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/a7083d5e717e293b81bb13d9cb679343/xasopikigutadexafep.pdfIn PDF document text
- http://hrzservices.com/uploadfiles/file/muponi.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe65845d44---40112747973.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160b082f0315ba---23950289952.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160819eb471c36---fovumuv.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160d5c40899810---9575864222.pdfIn PDF document text
- http://jatyn.cn/upfiles/202106/file/1624914348.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/u2ba9jskmd95ar1vojqn2tlnd7/wofuvobabuzikukinoda.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd662b651a---64049185697.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00093d01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93D01 | 10240 bytes |
SHA-256: 215831807f3b0a1412f93d41bfece35c8c0161d3e5bb8b8596c8dfd629fe5630 |
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font_01_sfnt_off00095424.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95424 | 18296 bytes |
SHA-256: c2634edcbbf5ac85149cd8b3133f2a839e773db8bfca903495bbba5946b44542 |
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font_02_sfnt_off000984d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x984D5 | 16144 bytes |
SHA-256: fcca37035df06e555c2991ff65faa0e8497ca6423bee408ebc46b3aef925b516 |
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font_03_sfnt_off00099a60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99A60 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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