MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting it's designed to redirect users to potentially harmful content. The presence of numerous unknown URLs further supports this, indicating a phishing or malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://amirep.com/wp-content/plugins/super-forms/uploads/php/files/90a507765364131c026e14a80a262103/71367550878.pdf In PDF document text
- https://anfauglir.com/images/file/96617618988.pdfIn PDF document text
- http://veejaytechnologies.com/userfiles/file/vuvodasem.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/ce190m7s8e9eaud0244ml8hn57/82610153766.pdfIn PDF document text
- http://perfectionistpaintingnj.com/ckfinder/userfiles/files/kewepazilukedulil.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9c0f235d9---21257884838.pdfIn PDF document text
- https://zemiigori.com/uploads/file/85515517039.pdfIn PDF document text
- http://odessahighschool1970.com/clients/7/70/70263b1be1b93b62200e198143f59f20/File/valupuvexixijifuj.pdfIn PDF document text
- http://liubeauty.com/luutru/files/nesujep.pdfIn PDF document text
- http://lso-msm.fr/userfiles/file/fuziporusirubaregukodok.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a84446a9c2e---gifasewerumi.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c1bdf822d2c---zigimaxatesa.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/68148814686.pdfIn PDF document text
- http://www.centralperdana.com/file/pasal.pdfIn PDF document text
- http://graylegalservices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/95936473451.pdfIn PDF document text
- http://cityhigh78.com/clients/2/2d/2ddbae4fb74c169819b3574d76e4e264/File/zokixexirije.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160960ff2168be---bunurakefamujuvesubilavib.pdfIn PDF document text
- http://visit-pune.com/userfiles/file/zuvofavatabelevaxidulisod.pdfIn PDF document text
- https://hotellemaritime.com/hotel/upload/files/26771899451.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/23e7ff6bae991f51db9560264d6f236f/rowaferurimuwivifim.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/d7s0tfm1rul07f7kegq3dn9do7/fudimotiwatufefudozij.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/53ekt3orpcvjpaloojk71pbbo0/5815905430.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/5mflu508tfu1aqlvrn54skllg6/80682102457.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160754d548051b---takojevaxigudizexudevag.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=span+of+control+analysisPDF 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_off0000e9ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9AB | 10528 bytes |
SHA-256: 008b33f887bd39c8314f46150568dccdfae230bc08c6f153d62ee3c490f336ac |
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font_01_sfnt_off000101cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000119dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119DD | 16652 bytes |
SHA-256: 09304802c1f16569baf0bae08f1233558849e902bc9322428a1ec4126b0b4092 |
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