MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is often used to redirect users to malicious websites. Multiple heuristics indicate the PDF is part of a link farm hosted on compromised or disposable domains, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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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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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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://garglob.ru/uplcv?utm_term=freestyle+and+breaststroke
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b77dcf31826---37122417697.pdf
- http://zangerlelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/repapemivab.pdf
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/fa2228d10970c14bfcd3ad5b23a0fdb3/gifasa.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5e4671b515---69371774327.pdf
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608dd6336e859---93886005851.pdf
- http://burningspearmarketplace.com/js/ckfinder/userfiles/files/92087914896.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/60bc886496bc325d0f16a10b1123e16a/wafisugisasawisiregovajez.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ace0a0d2686---tomeveduvevanetakinarixo.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0d4aef9ad---11963291014.pdf
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de066cd8887---1566067238.pdf
- https://2acontractor.it/images/file/86013843273.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/oi6sk41smgr3f18v4vbe9nlst7/63233853290.pdf
- http://noithattamphuong.com/upload/files/70264018766.pdf
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1610095862c076---65578547083.pdf
- http://www.northern-japan.com/image/upload/File/wivozimujofaxi.pdf
- http://www.teeintact.com/admin/fckeditor/editor/filemanager/connectors/php/img/file/runapokagamum.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160845d7df34e2---19558216800.pdf
- https://n-zvuk.ru/upload/file/76719169619.pdf
- http://thietbiytedaibao.com/media/files/nakajikokagowufeze.pdf
- https://pecsikult.hu/files/file/66836959942.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160826ada4804e---zuninaz.pdf
- http://aligokdemir.com/resimler/files/74910635783.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e53e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE53E | 16792 bytes |
font_01_sfnt_off0000fd50.bin320300c5c36b62d8d7ecb7cbeb084c68b98f37e6fb0d1edd27f6f5142fcc19c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD50 | 16540 bytes |
font_02_sfnt_off000127a5.bine81cf610e388c1ac6319e1a710ee399fe902929dff9758f88e688ef62c5811d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127A5 | 10472 bytes |
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