MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phish users. The PDF structure and embedded URLs are consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://coretry.ru/uplcv?utm_term=android+head+unit+radio+tuner+app PDF link annotation
- http://shouce-image.kuchuancdn.com/Public/resource/files/mexus.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/11829148ef22d3b92caee24690594af5/65383683530.pdfIn PDF document text
- https://villatoscana-pi.it/userfiles/file/vepanenugaxalitaje.pdfIn PDF document text
- http://slstudio.it/userfiles/files/tekugajod.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/e5e83b8dd8d9aa95f50f8edb94400bfd/gilowijevezuvilaju.pdfIn PDF document text
- https://pecintajp.com/contents/files/gasuzugu.pdfIn PDF document text
- https://moderator.lt/components/com_mijoshop/opencart/image/data/files/66055292275.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141e2eca3115---vavudogiwa.pdfIn PDF document text
- http://sartor.ru/upload/files/31210706987.pdfIn PDF document text
- http://beamstraffic.ae/amb/userfiles/file/vupivogebeborasuk.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149d933eb294---89006354406.pdfIn PDF document text
- http://hzeiger.com/userfiles/file/20009632208.pdfIn PDF document text
- https://yunglin.com/uploadpic/files/39754848349.pdfIn PDF document text
- http://adamex.ukrkarta.ua/fckeditor/userfiles/file/7673540791.pdfIn PDF document text
- http://massiimo.com/piceditor/file/bobaxifopudug.pdfIn PDF document text
- https://cyberbirddog.com/userfiles/files/36513062651.pdfIn PDF document text
- https://roofmed.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1615138f04cd2d---kesatotetuw.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e05cb8a3b---34138432041.pdfIn PDF document text
- http://dekoblickfang.de/userfiles/file/21024363564.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/39464641144.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/161310990130ed---sovusozani.pdfIn PDF document text
- https://milsagliksen.org/upload/ckfinder/files/koboxedike.pdfIn PDF document text
- https://ddshower.com/ckfinder/userfiles/files/10466301196.pdfIn PDF document text
- https://blogsma.com/files/57601859917.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_off0000b78d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB78D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cfa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFA4 | 10356 bytes |
SHA-256: 661004e31ec1c8b76e6d196e3d15fd1531aa5085f14d8dd8e48f24e2b0b832ae |
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font_02_sfnt_off0000e6ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6EF | 18660 bytes |
SHA-256: d3df2db6409c349a558c62f8d6f0498c3dbdb76037f07fe85632893c2b29dd11 |
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