MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised websites, indicating a phishing or link-farming scheme. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely attempting to lure users to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://synerhu.ru/uplcv?utm_term=disadvantage+of+cloning+animals PDF link annotation
- http://www.moyekolodin.com/files/xomawaxu.pdfIn PDF document text
- http://autoscuolemontagna.it/userfiles/files/wofedoremem.pdfIn PDF document text
- http://chiaranannini.com/userfiles/files/xifelevebejaxevegoro.pdfIn PDF document text
- http://bc-arman.kz/ckfinder/userfiles/files/48711278241.pdfIn PDF document text
- https://mtydizayn.com/userfiles/file/92123226871.pdfIn PDF document text
- http://veterinariomauracotti.it/userfiles/files/50205381136.pdfIn PDF document text
- http://verzorgingsindex.nl/images/uploads/12328964460.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161333e264367b---4462552361.pdfIn PDF document text
- http://ahknchem.com/upload/files/43507512591.pdfIn PDF document text
- http://microsolder.hu/userfiles/files/vonuwulikubopete.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/e9f1cb781176792bdf668ffd6294c905/823690783.pdfIn PDF document text
- http://suncitygroup.ir/basefile/suncitygroupir/files/wopaxo.pdfIn PDF document text
- http://biosurfest.com/userfiles/files/wajopipopewopezonopiz.pdfIn PDF document text
- http://jn-zhsc.com/upload/63119033026.pdfIn PDF document text
- http://vnos.vn/app/webroot/uploads/files/485534090.pdfIn PDF document text
- http://balcimimarlik.com/resimler/files/7331484789.pdfIn PDF document text
- https://www.ijmsir.com/ckfinder/userfiles/files/folemom.pdfIn PDF document text
- https://stmarys-perthamboy.com/upload/File/pivagamaxoni.pdfIn PDF document text
- http://kkc1.org/htdocs/cljr/data/files/fudulujapativipowobeza.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/c8b20eabce96fac1cbe7dbb29f02bcfb/88021605450.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b1d09bb0c---lugonekumu.pdfIn PDF document text
- https://mirrorlink.com/public/files/files/kakimafafusejezixulixefok.pdfIn PDF document text
- https://avflash.nl/upload/files/bejivofig.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_off0000e055.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE055 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f86c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF86C | 10784 bytes |
SHA-256: 59f2abfbe6dbc1e9168258464b02efd3a3aec33f7fe2b6f887e7940d8cdecee1 |
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font_02_sfnt_off00011109.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11109 | 17448 bytes |
SHA-256: c1815b4831c89f6be117816886bc338b0d67c934cb65b70e4fa2b8090fa09fe0 |
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