MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with numerous embedded URLs pointing to PDF files hosted on compromised CMS uploads and disposable hosting. This suggests a phishing or SEO poisoning campaign designed to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://thoitranglani.com/upload/files/wutudofokelexefuf.pdf In PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/3cf5cdf486b1c173ab315725baf19069/75315095921.pdfIn PDF document text
- https://drlanda.hu/user/file/tewabedemakefedikaseket.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/79477770350.pdfIn PDF document text
- https://annekienlen.fr/imagesfile/9692600059.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614562cc5a7fe---fidasagoxafobexotone.pdfIn PDF document text
- http://pacemakerpressintl.com/uploads/assets/file/rowux.pdfIn PDF document text
- http://speckrepej.com/upload/file/vojurerumudapefuvos.pdfIn PDF document text
- https://peintures-descours.fr/fichier/files/72708920806.pdfIn PDF document text
- https://emons-verlag.com/testarea/cwsCMSlight/media/files/jomujuperubufaj.pdfIn PDF document text
- http://jpind.pl/userfiles/file/xarebifusat.pdfIn PDF document text
- https://kawanmto.org/contents/files/39126421272.pdfIn PDF document text
- http://telektrans.hu/editor_up/72597087129.pdfIn PDF document text
- http://hnfhdc.com/UpLoadFile/2021092107080312246.pdfIn PDF document text
- https://whiteplacard.com/UserFiles/file/86758022828.pdfIn PDF document text
- http://jamxmpharmatech.com/upload/files/31139736955.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404739414d1---10987578294.pdfIn PDF document text
- https://quatden.vn/webroot/img/files/lenamivewava.pdfIn PDF document text
- https://siriusdynamics.com/assets/uploads/files/maxaxozowovim.pdfIn PDF document text
- https://qualitygums.com/userfiles/file/gurabikekigek.pdfIn PDF document text
- https://khmernative-rice.com/userfiles/file/1379185187.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/39392093831.pdfIn PDF document text
- https://crossfitbeeshark.ro/app/webroot/files/userfiles/files/58010492935.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=joseline+cabaret+season+2+123moviesPDF link annotation
- 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_off0000befe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEFE | 17792 bytes |
SHA-256: e9268b773ead40639752643e74e917ccf7501822b6cad65f640504915ce8d2fb |
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font_01_sfnt_off0000ed8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED8B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000105a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105A2 | 10932 bytes |
SHA-256: 1a704e25d5714de7c4677e050f69a3839ced38454b0cce8ec38b7339b49be03c |
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