MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised WordPress upload directories, suggesting a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://acrgruppe.de/userfiles/file/gorujifovofil.pdf In PDF document text
- http://kondicionery-shodnya.ru/upload_picture/file/78926996259.pdfIn PDF document text
- http://goopenapp.com/uploads/files/53275665538.pdfIn PDF document text
- https://mondoaudio.it/img/uploaded/file/58626338493.pdfIn PDF document text
- http://palaciodelosnavas.com/userfiles/file/madozamigobotu.pdfIn PDF document text
- http://dungcumaymoc.com/Images_upload/files/zidopizax.pdfIn PDF document text
- http://dieta-plus.pl/userfiles/file/66280769691.pdfIn PDF document text
- http://tvsatkrosno.pl/userfiles/file/dotebudij.pdfIn PDF document text
- https://xn--80aaijzh9b.xn--90ae/documents/file/xiwuwudamawojuguta.pdfIn PDF document text
- http://precisao.net/files/files/kovizuxorawarinalife.pdfIn PDF document text
- http://kcpsystem.com/userData/board/file/29970440018.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/q71hddlblru6s0ec4elj28sog7/55565592958.pdfIn PDF document text
- https://osakaav.com/userfiles/files/58609303718.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136936c63334---1376719273.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/14b1894bf1e8ab8158f95d66fbd1c277/66364524077.pdfIn PDF document text
- http://infoegrafica.com/userfiles/files/71829234288.pdfIn PDF document text
- https://xyoaa.org/sites/default/files/files/dasezenewakixekijize.pdfIn PDF document text
- http://luxmeterthai.com/ckfinder/userfiles/files/16939055057.pdfIn PDF document text
- http://hferrynetworks.com/FileData/ckfinder/files/20210902_38C77CD237C9B21A.pdfIn PDF document text
- https://easy2ticket.com/upload/files/63779571989.pdfIn PDF document text
- https://goldenlinejsc.com/userfiles/file/81344055375.pdfIn PDF document text
- https://costabravas.com/uploads/localidades/files/64562013398.pdfIn PDF document text
- http://chokmanee.com/userfiles/file/86843410406.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=connect+windows+10+to+android+phonePDF 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_off0000c654.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC654 | 10856 bytes |
SHA-256: fb42b621e02502188d4a05621e06b78a37fdf0f2d5dc5dddb37c71ef8ac887a2 |
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font_01_sfnt_off0000df80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF80 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f792.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF792 | 17720 bytes |
SHA-256: 2936c9bbe2c1460cb67735e6b5bd587abe9460954c8248f2a8bd0efc955029c9 |
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