MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm or phishing lure. The presence of external URIs and link farms indicates an attempt to redirect the user to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://cructi.ru/uplcv?utm_term=equation+for+quadratic+graph PDF link annotation
- http://musiclivemarsala.com/userfiles/files/36424297438.pdfIn PDF document text
- https://at2-turbo-j3t.com/contents/files/ratakolikemowusutu.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/tolejifeleba.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/4qjn4npv2tp8bhm1fvu3k1teg1/mixivotolelunozelanajawe.pdfIn PDF document text
- http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/67926382733.pdfIn PDF document text
- http://hflbdq.com/uploads/file/061139195684.pdfIn PDF document text
- https://pastijptoto.com/contents/files/86281209491.pdfIn PDF document text
- http://uralinteh.com/uploads/files/wurezowoguseruref.pdfIn PDF document text
- http://rfaaa.com/UploadFile/file/20210916044658625.pdfIn PDF document text
- http://accessprecision.com/userfiles/file/83418076123.pdfIn PDF document text
- http://eperon-kochersberg.com/img_db/16340126715.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/161377c4fddc14---45194665761.pdfIn PDF document text
- http://coimbrasoftware.hu/images/uploads/files/pofakabazowewipatogap.pdfIn PDF document text
- http://bephoangdung.vn/uploads/ckfinder/files/94504330378.pdfIn PDF document text
- http://seamacros.com/upload/file/dotularo.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/7p6c581d86cd77n45uf32voo9p/45949739550.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16136712460516---vuminemelaz.pdfIn PDF document text
- https://strechybenesov.cz/content/51543625755.pdfIn PDF document text
- https://www.thic.net/plugin/ce1/ckfinder/userfiles/files/87883759349.pdfIn PDF document text
- http://emblem4home.com/UserFiles/Member/File/8931317518.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/lu44a28n0h1srpcf31g3usnoal/fozivivej.pdfIn PDF document text
- http://tangiahoang.vn/Images_upload/files/xadubiti.pdfIn PDF document text
- https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210913042900.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614226798609a---45403213734.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_off0000c109.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC109 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d91b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD91B | 17080 bytes |
SHA-256: 69364e408e2c1950feeaa3097baada0faff18181a536331fa7adb5d4ee48d731 |
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font_02_sfnt_off0001056d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1056D | 10780 bytes |
SHA-256: 03a26c305e31e672cec33c445f5cca3765e60c8cdefac1df2a044f2c40c05e4f |
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