MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as a phishing trojan. The file contains numerous links to external domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a link farm or phishing lure. The primary purpose seems to be redirecting users to potentially malicious content hosted on these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://chcial.ru/uplcv?utm_term=do+hypnosis+really+work PDF link annotation
- https://ahha.az/userfiles/file/46204952486.pdfIn PDF document text
- http://groupkaishan.com/d/files/41541074245.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/1e7719ed552b2925d39093b55fd2f8d3/32591056486.pdfIn PDF document text
- http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/sagebimujafubimujilibud.pdfIn PDF document text
- http://poorclarescork.ie/images/17877791692.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089aff863e90---70868698429.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/t02tldjidhr4mmmv2dg846ci0c/86573467291.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7a020c99b---lejulorepa.pdfIn PDF document text
- https://stradatextiles.com/upload/ckfinder/files/busebuburizewenu.pdfIn PDF document text
- https://nanyangtextile.com/userfiles/file/56229660064.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b8dee53465e---74196328437.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac50ac362cf---kipelepevi.pdfIn PDF document text
- http://albino-pitti.com/pub_img/file/lomojopeli.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0336472ae---supovebav.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/b35feaa293d68386c72b915e18847edc/9999679823.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160adb9f837bdf---belabo.pdfIn PDF document text
- http://alt-1c.ru/userfiles/file/27438419066.pdfIn PDF document text
- https://bayihoki99.com/contents//files/10308371050.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/lrs4802j2dit9at85g8tmpo1ue/feguvugoruzoremajobulime.pdfIn PDF document text
- http://coimbra.hu/uploads/ckfinder/userfiles/files/dijumafagiwu.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160cb28d76b3af---wupipukomibukejivapejem.pdfIn PDF document text
- http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/60308498427.pdfIn PDF document text
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ada9f49f06d---simokigibagulexitofobula.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/kvl6kn7ac91j1bipcs5nf8j4ka/42504580100.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/256ae85f6f77c84e252e5c6cced74db2/fulapawejiridifemuso.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_off0000ed42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED42 | 10544 bytes |
SHA-256: ec5184792d6f20e91b8291458528f8960992ba03528a061f3c6fb1608a0627bc |
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font_01_sfnt_off00010547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10547 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D59 | 16824 bytes |
SHA-256: b0629af5cd8525890811c7ca1302151273b6187c08a58ea2d39eeacfb143c501 |
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