MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://areicon.com/images/file/zeselomafidibajarubib.pdf In PDF document text
- http://coinproject.com/userfiles/image/file/92282286154.pdfIn PDF document text
- http://tatishev.ru/admin/ckfinder/userfiles/files/midoribupegejot.pdfIn PDF document text
- http://lnaixi.com/userfiles/file/20210723031537_1754756807.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b864b76d5---15681950863.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe04ed40b1---45082631664.pdfIn PDF document text
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/ljrrs114emvid0oc5h31qapvam/60333324328.pdfIn PDF document text
- https://nsck-cykelmotion.dk/userfiles/file/wowotadalopupibirutugir.pdfIn PDF document text
- http://yangs-ns.com/ckfinder/userfiles/files/20210611145237.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/ira1up04126num9ts1028a98k6/sujazutozunotafiloxilabaw.pdfIn PDF document text
- http://sendedianqi.com/upload_fck/file/2021-6-30/20210630212345712453.pdfIn PDF document text
- https://munis-roquesalbes.cat/demo/vilalba/imatges/file/65704139233.pdfIn PDF document text
- http://eugensa.lt/app/webroot/uploads/userfiles/files/bagijigigowudok.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/b2f336fd1810975d76341b066fa772f3/73632980827.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/telomadavokuna.pdfIn PDF document text
- https://www.ksmt.edu.np/assets/ckfinder/userfiles/files/lejos.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/c4a47141ca83b2ad5327f3554426aa42/vojivitimedunukum.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/d4p4piaqtrt1ftdg3f1rquda91/53600864858.pdfIn PDF document text
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/bbdb7c7edf3669b445965f2d2fc7249d/57135906818.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/c9506144c1111cd4c94388d5f53da4b9/razedulagofop.pdfIn PDF document text
- http://mkngsp.ru/upload/files/lamutumemosalunimiwo.pdfIn PDF document text
- https://winpoasia.com/ckfinder/userfiles/files/54490428229.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=phan+mem+pdf+to+jpg+converter+full+crackPDF 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_off0000da3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA3C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f253.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF253 | 11196 bytes |
SHA-256: 220a2b7eb44653cb8e9711c690b220c3fa82ea3774f67309b817360c964152af |
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font_02_sfnt_off00010c20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C20 | 21704 bytes |
SHA-256: e5f7e0a3118bc9bfe43ca69486c406263f6715f9078afde56f9919a5bee05c70 |
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