MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous embedded URLs that point to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, but the presence of external URIs and link farm indicators strongly suggests a phishing or malware distribution attempt.
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://queure.ru/uplcv?utm_term=pokemon+black+exp+patched PDF link annotation
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16148b5e70f3ff---48304319219.pdfIn PDF document text
- http://materialdeestudo.top/userfiles/files/76548814230.pdfIn PDF document text
- http://vyveva.eu/UserFiles/File/12117410335.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/kalevelikosi.pdfIn PDF document text
- http://eco-versute.com/app/webroot/ckfinder/userfiles/files/44489308385.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/n97v4u5g3jjb1mm55ocadqs543/basovisalikumoro.pdfIn PDF document text
- https://successstudio.net/userfiles/file/tulotikijulizujafubezoj.pdfIn PDF document text
- http://guojingmall.com/userfiles/file///fepeveb.pdfIn PDF document text
- https://securitydm.eu/slicice/file/xonelofisarawadowifosibi.pdfIn PDF document text
- https://marwaservicecenter.com/nbloom/fckuploads/file/pezeworikuligafuf.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137b7827ab13---55746379105.pdfIn PDF document text
- https://goldgreiner.de/userfiles/file/2942223469.pdfIn PDF document text
- http://hzdsbg.cn/uploadfile/1631315971.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/0759fadf5ad8de0c12dab2e4fb89ce8b/59222245225.pdfIn PDF document text
- https://fuze-pay.com/ckfinder/userfiles/files/bumesunuratilelanujim.pdfIn PDF document text
- https://ice-group.pl/userfiles/file/jagisil.pdfIn PDF document text
- https://probidjp.com/ckfinder/userfiles/files/20210913_231132.pdfIn PDF document text
- http://dija.lv/public/userfiles/file/53271678038.pdfIn PDF document text
- http://zoekidsworld.com/userfiles/file/98784520195.pdfIn PDF document text
- http://architettoseneca.com/userfiles/files/vugijeraxomo.pdfIn PDF document text
- http://fra2ange.it/userfiles/files/maxesajupozusuve.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_off0000ba20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA20 | 17104 bytes |
SHA-256: a77bd879b2e0552c41ef7122fa2964caf4e41e0e1b3ca345a7ef27d0d7942296 |
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font_01_sfnt_off0000e63d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE63D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fe54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE54 | 10752 bytes |
SHA-256: ac873eae14b5662347293182526d71573a5d5c0cf9ec430eb812a70e1f5bde9f |
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