MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs that redirect to external sites, some of which are hosted on compromised WordPress installations. The presence of 'utm_term' parameters suggests a potential phishing or spam campaign aimed at driving traffic to specific content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://ewdel.cz/ckfinder/userfiles/files/59872071520.pdf In PDF document text
- http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/bufurugupasemol.pdfIn PDF document text
- https://actor-conseil.com/files/file/89099898410.pdfIn PDF document text
- http://stlnsk.ru/uploads/file/rurulogurobowikogi.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607174d58a572---96905791386.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/f05c5d6b4547a696a0fddc5bb5eb2d28/totebagejebole.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/73f3c338123afcad57cb063af8378375/23935920871.pdfIn PDF document text
- https://conexusinternational.com/ckfinder/userfiles/file/87116206206.pdfIn PDF document text
- http://allycatering.com/userfiles/nabopasaxiruli.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/2f0184e43d50d936e2010cc429e4ddc2/birodidatuxozogut.pdfIn PDF document text
- http://bkdesign.ee/userfiles/file/59424809204.pdfIn PDF document text
- http://thegreenlegacykeepers.com/clients/e/e8/e8dc17949b7ef813e9937e453902477f/File/90362840479.pdfIn PDF document text
- http://yi-xiang-yuan.com/CKEdit/upload/files/39899738487.pdfIn PDF document text
- http://colorfusion.us/admin/images/file/98538535487.pdfIn PDF document text
- https://zapcdn.space/web/img/podborky/files/radidosonapajofuwab.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608a8168f329a---14996470691.pdfIn PDF document text
- http://homeopathyhongkong.org/files/detikezuk.pdfIn PDF document text
- https://rieker-consulting.eu/files/file/zusudobokovodex.pdfIn PDF document text
- http://stoka-saarlouis.de/userfiles/file/xopibagad.pdfIn PDF document text
- http://karimeh.com/public/userfiles/file/makurozazobabif.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=readers+theatre+grade+1+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_off0000e8db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000100f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F2 | 10512 bytes |
SHA-256: 9fb52d5c7cdeba9a4f5af8e8ff813ca046bfc989a8aff4ab38503a3a9fb57dab |
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font_02_sfnt_off000118d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D2 | 17048 bytes |
SHA-256: ae07045436182a734db60379d3d3e8325934708e1978803b9bd2c76bbba74686 |
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