MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which are hosted on compromised or disposable domains, indicating a link farm designed to redirect users to malicious content. The presence of 'utm_term' parameters suggests a phishing or SEO-based lure. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan.
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://huntic.ru/uplcv?utm_term=install+steam+on+android PDF link annotation
- http://jlicentral.com/images/authors/file/xofivenadoje.pdfIn PDF document text
- https://wasael.com/userfiles/file/nemozivosariwonewita.pdfIn PDF document text
- https://contemporaryteas.in/admin/uploads/file/kuwaziwibinugagufu.pdfIn PDF document text
- http://kenshopvn.com/uploads/files/tukegisazegavi.pdfIn PDF document text
- https://postelezmasivu-liberec.cz/ckfinder/userfiles/files/43698956770.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613537a70478e---vipefewulaxolozifabekur.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/2i2os8e07e44efqjqg8dk1cd9d/zosedavavedenanofamor.pdfIn PDF document text
- http://bwlpsalisbury.com/uploads/files/86696085914.pdfIn PDF document text
- https://dobre-akce.cz/media/files/file/69065132816.pdfIn PDF document text
- https://ibextrail.com/editor-images/69070599037.pdfIn PDF document text
- http://www.contal-farmer.com/uploads/files/88226529588.pdfIn PDF document text
- http://go-pxl.com/uploads/files/vusekinabavonituso.pdfIn PDF document text
- http://tcihk.com/userfiles/14987433420.pdfIn PDF document text
- http://sino-web.net/filespath/files/20210913021517.pdfIn PDF document text
- http://napiarsaigh.com/images/mewudu.pdfIn PDF document text
- http://mezon.jp/userfiles/file/27380470761.pdfIn PDF document text
- http://alituncer.net/userfiles/file/kemimezebudipu.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/fafafb562a77f9e947c8cb059e36bdb9/napozoxavalodo.pdfIn PDF document text
- http://tradotel-riviera.com/file/fojepi.pdfIn PDF document text
- https://migger.dk/userimages/file/lejizelirozozukade.pdfIn PDF document text
- https://ubk-sad.de/azubi/userfiles/files/72628060246.pdfIn PDF document text
- https://raljob.com/userfiles/file/ligatovokemozi.pdfIn PDF document text
- https://virker-ikke.dk/files/zirezasugenag.pdfIn PDF document text
- https://citronixdeflection.com/nbloom/fckuploads/file/zubenu.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_off0000c18e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC18E | 17152 bytes |
SHA-256: 10177d627dbda2d8909ea5fa4fa7d5a27184c69199bad8b66467d347dfead7c1 |
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font_01_sfnt_off0000edde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDDE | 10360 bytes |
SHA-256: f47857d502f41e9ba06815f31ffd310430ca02fd61d951e125924968609e7e61 |
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font_02_sfnt_off00010539.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10539 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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