MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains embedded JavaScript and numerous external URIs, many of which point to compromised websites or disposable hosting, forming a link farm. The presence of embedded JavaScript suggests an attempt to execute malicious code, likely to redirect the user to further malicious sites or download additional payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://allytemp.ru/uplcv?utm_term=elizabeth+is+missing+book+pdf PDF link annotation
- http://dental-forum.ru/userfiles/file/8543197606.pdfIn PDF document text
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/39234897017.pdfIn PDF document text
- https://coonvalleycc.com/userfiles/file/66593363719.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e56937bbb7a---48844526065.pdfIn PDF document text
- https://growyourmoney.in/userfiles/files/93175425183.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a685980a334---67044711219.pdfIn PDF document text
- http://kayapaliinsaat.net/file/35771425391.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/bd90afd12c7c7b3b7b655b466273e534/xozelisiz.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/065d4efa239195f619518a3339d5f6e9/sikutitedudotuka.pdfIn PDF document text
- http://drapikowski.pl/uploaded/fck_files/file/16982144353.pdfIn PDF document text
- https://monamifrance.com/FileData/ckfinder/files/20210617_9D5539879F117E13.pdfIn PDF document text
- http://noithatlekhanh.com/Images_upload/files/53241167393.pdfIn PDF document text
- https://mosconi.net/userfiles/file/34474524907.pdfIn PDF document text
- http://dermatologomiguelgallego.com/miguel/fck/file/bazote.pdfIn PDF document text
- https://transport-vehicules.fr/userfiles/file/57081724160.pdfIn PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105300503217840.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ac0d7e889---lagagozeredoripeme.pdfIn PDF document text
- http://kangs78.com/clients/66216/File/93417544383.pdfIn PDF document text
- https://tndvn.com/js/ckfinder/userfiles/files/10760149343.pdfIn PDF document text
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/7ddde7a7460c0592990f5f2dc757f1db/66601432008.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/9c9e61f88c787c64e88eaa349993ab2a/nawawopaliwotabaxir.pdfIn PDF document text
- https://gemwares.com/userfiles/file/mivinutenitasuj.pdfIn PDF document text
- https://www.thc.gda.pl/ckfinder/userfiles/files/jopag.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c248.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC248 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA5F | 11120 bytes |
SHA-256: 5b91201dafea8e2b5a2220f195642b7bc2abdd10005f92fd069628ca9cab9ccd |
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font_02_sfnt_off0000f3b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B9 | 17648 bytes |
SHA-256: 289c320292b78c4a1a79f11c2c96726e5402c28f74b4a3d7b5cb4a6cd19220a0 |
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font_03_sfnt_off00010e9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E9E | 16844 bytes |
SHA-256: 197648209421e65908cc108684c550f9200fa09c4965526d17fda86e4e555501 |
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