MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating phishing. The document contains a link farm pointing to numerous external URLs, many hosted on disposable domains or compromised CMS uploads, suggesting an attempt to redirect users to malicious content. The presence of 'utm_term' parameters in some URLs indicates a potential phishing or SEO manipulation tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://allytemp.ru/uplcv?utm_term=ipad+says+not+charging+when+plugged+into+computer PDF link annotation
- http://kavernoklub.com/campannas/file/21116349472.pdfIn PDF document text
- https://vinaarc.com/app/webroot/files/ckfinder/userfiles/files/lesafisatiletewalar.pdfIn PDF document text
- http://bavlas.lt/ckfinder/userfiles/files/92884403344.pdfIn PDF document text
- http://syekp.gr/sites/default/files/file/65203137944.pdfIn PDF document text
- http://ustunongel.com/image/files/19433105830.pdfIn PDF document text
- http://kmjmt.com/news/upload/file/2109170237558377243vfobc.pdfIn PDF document text
- https://cfi-registration.org/buzzboxgift/img/userfiles/files/liworinafazimom.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/0d50322e910e75264b2cc667ab7f58a5/kolidebemubezuva.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9c267236f---23089896652.pdfIn PDF document text
- http://mbjarrahi.com/UploadedFiles/New/file/22123382463.pdfIn PDF document text
- http://klusjesindex.nl/images/uploads/76116365427.pdfIn PDF document text
- https://best-label.com/upload/files/57427080574.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613557f26cfb6---24407250390.pdfIn PDF document text
- http://ardeche.proximeo.com/ckfinder/userfiles/files/sekedimavasixav.pdfIn PDF document text
- http://tcgardening.com/userfiles/file/2021090417540073499.pdfIn PDF document text
- http://www.pantonerestauri.com/ckfinder/userfiles/files/bipafanajor.pdfIn PDF document text
- http://exim5.hu/_user/file/79172806717.pdfIn PDF document text
- http://archetipoingegneria.it/userfiles/files/xixakevibotadajerijipi.pdfIn PDF document text
- http://fine-trading-knotwork.com/uploads/media/laduwefoxatuwegunezu.pdfIn PDF document text
- http://slhospital.com/upload/fckeditor/file/tutowulopibevowifodok.pdfIn PDF document text
- http://sungsam.net/userData/board/file/5158907566.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_off0000df64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF64 | 18592 bytes |
SHA-256: 0fca03adea3c025c023ef533bb5ec1fe562f1e858f395b8da341082a3e92fc8c |
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font_01_sfnt_off00010f4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F4D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012764.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12764 | 11212 bytes |
SHA-256: 25661a82c77ec33b6e39d5dd766d5af2c1a3bd2783d0a8ee9327f34156a1d193 |
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