MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a phishing or malware distribution campaign. The heuristic 'ML_NYX_PDF_MALICIOUS' and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic point towards an attempt to lure users to malicious content, likely for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://inwebjor.ru/uplcv?utm_term=transfer+tool+for+android PDF link annotation
- http://bluestandard.pl/ckfinder/userfiles/files/4036323391.pdfIn PDF document text
- https://pachetedeturism.ro/images/files/43022323883.pdfIn PDF document text
- https://ozanetiket.com/TasarimAcarnet/serhali/upload/files/21005465168.pdfIn PDF document text
- http://www.39koratmachinery.com/file_upload/files/75429564238.pdfIn PDF document text
- https://warungmimpishio2.com/contents/files/sazilofazixafofebugisuvuj.pdfIn PDF document text
- https://sainaudit.mn/File/63782656114.pdfIn PDF document text
- http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/gulabufamonipaza.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/ku27nuh2d3vinlc5hop3ci052k/xizexefexazuvanusetuzod.pdfIn PDF document text
- https://quanticabtl.com/cms_2018_quantica/sgi_userfiles/userfiles/files/rufobukuponegeroki.pdfIn PDF document text
- https://justforjetscatering.com/userfiles/image/files/87882992555.pdfIn PDF document text
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/bf39efe4adb1770ec05ed3ff76adf34e/3591563274.pdfIn PDF document text
- https://cncunse.com/d/files/volibazuguveratunotudoza.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a4478d329c---95764193257.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/91704403692.pdfIn PDF document text
- http://hongphuc.vn/userfiles/file/vowesamumebe.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/349bc32e4abfaf2ea68eb9e3ce10e2d4/91653321846.pdfIn PDF document text
- http://metallpress.ru/files/xuzukat.pdfIn PDF document text
- https://ymvii.com/admin/upload/files/9010760420.pdfIn PDF document text
- http://stagegator.scorchmark.com/stagegator/ckfinder/userfiles/files/63610724376.pdfIn PDF document text
- https://vcubusinesssolutions.com/userfiles/file/3579093297.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/jgbn1mv6lff5hocd8lit87lt4f/wiwepusilurenefaneguvotu.pdfIn PDF document text
- https://uzmanwebci.com/calisma2/files/uploads/22502930389.pdfIn PDF document text
- https://rieker-consulting.eu/files/file/87446048549.pdfIn PDF document text
- http://normel.org/files/upload/file/98975793588.pdfIn PDF document text
- http://chiesamadremarsala.eu/userfiles/files/fegenebonu.pdfIn PDF document text
- http://harlit.com/upfiles/file/72724399922In 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_off0000d8ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8AC | 10312 bytes |
SHA-256: beedb53c5a634ad84b5be721152bc8a53873fa74717b7a80b09e9a05691e9430 |
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font_01_sfnt_off0000f001.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF001 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010813.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10813 | 16684 bytes |
SHA-256: 163996f974956446d41e8ca2240083b257e317f204b09d5f01bf87599c56494e |
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