MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, some of which appear to be hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://inwebjor.ru/uplcv?utm_term=wcc2+cracked+version PDF link annotation
- http://aaas.handyfriendship.com/upload/files/25193362792.pdfIn PDF document text
- http://ros-audit.com/i/up/file/gitaku.pdfIn PDF document text
- https://techinnsrl.com/writable/public/userfiles/file/49858948469.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161350269d26bc---95097410289.pdfIn PDF document text
- http://gewald.ru/content/Files/95347433029.pdfIn PDF document text
- http://www.urbanwaterways.info/files/lejeratikom.pdfIn PDF document text
- http://world-spa-resorts.com/dok/43256536456.pdfIn PDF document text
- https://generalaudit.pl/eurostyl/photos/file/bopaxididobi.pdfIn PDF document text
- http://dreiseengrundschule.de/files/59106992872.pdfIn PDF document text
- https://ecoquimica.cl/dinamicos/uploads/file/80902792026.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/68414111742.pdfIn PDF document text
- http://xutricolor.com/uploadfile/files/87865808181.pdfIn PDF document text
- http://siciny.pl/userfiles/file/xonufijuwefog.pdfIn PDF document text
- http://opt-russtd.ru/data_center/upload_pictures/file/56224982146.pdfIn PDF document text
- https://ietc-oman.saktoon.com/userfiles/files/texikisotololibatope.pdfIn PDF document text
- https://www.shipgo17.com/plugin/ckeditor/ckfinder/userfiles/files/xogozulenavuniravej.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eb48162a05---89631452166.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/notsn999hnphce0c8f79vhajpt/28375062547.pdfIn PDF document text
- http://mkconline.com/landmark/ckfinder/userfiles/files/59689210692.pdfIn PDF document text
- http://cnwt.mgo.cool/upfile/files/2021/09/17/36137900831.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_off0000e9ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9ED | 10488 bytes |
SHA-256: 2249e63f5b2f29140fe1d6cb081fa702c96d6bfd8f7c5eac3d93ec288d4ee6ee |
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font_01_sfnt_off000101fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101FA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A0C | 17604 bytes |
SHA-256: aeaa40662e31ad7f2865a4dfb90d3241bc0847056931992a38abe19446c1842c |
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