MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous external links, including a link farm on disposable hosting and a link to a compromised WordPress upload, suggesting it's designed to redirect users to malicious sites or download further payloads. The presence of a 'download button' lure reinforces this phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://smidgel.ru/uplcv?utm_term=utorrent+gta+san+andreas PDF link annotation
- http://ck-kutnahora.cz/gais/image/file/60946007446.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/161406c988cca0---lezibexilisorufesevel.pdfIn PDF document text
- http://sghscsjamarai.org/guruhargobind/userfiles/file/zemaduvodob.pdfIn PDF document text
- http://www.ciesol.es/ckfinder/userfiles/files/lilekuxabazamubafazap.pdfIn PDF document text
- https://marblo.com/app/webroot/img/files/58780622980.pdfIn PDF document text
- http://signfabapp.com/ckfinder/userfiles/files/28609952798.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138f7ee3e9a9---lanawidojojafatadupop.pdfIn PDF document text
- https://marikakozmetika.hu/editor_up/80189851365.pdfIn PDF document text
- http://westernmaki.com/uploads/files/63619528750.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/fdc1d1ed0f0e43a84a88f4ebb76ee193/wevovatikul.pdfIn PDF document text
- https://nonbodepsg.com/uploads/files/84942102142.pdfIn PDF document text
- http://riverside-plaza.com/upload/userfile/files/35621379985.pdfIn PDF document text
- http://kadh.kr/bobod/upload/file/maposujipuxusowubelamo.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/39912988256.pdfIn PDF document text
- http://kasargod.net/uploads/file/54736799451.pdfIn PDF document text
- http://antoniolescio.net/userfiles/files/10280452487.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/sesitabij.pdfIn PDF document text
- http://brixtontaxi.com/survey/userfiles/files/64263930194.pdfIn PDF document text
- http://hqshop24.com/userfiles/file/55295844475.pdfIn PDF document text
- http://qiangka.com/ckfinder/userfiles/files/47683304786.pdfIn PDF document text
- http://assytekservizi.com/userfiles/files/24572748188.pdfIn PDF document text
- http://ndt-tl.ru/upload/file/gusefefiwagidufeb.pdfIn PDF document text
- https://torbay.ru/images/uploads/file/22917379075.pdfIn PDF document text
- https://mkontakt.pl/dat/file/wopaxefenepekobezividal.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142894290119---resotuletizosi.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_off0000c211.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC211 | 10292 bytes |
SHA-256: c489745b6701c256b5f1fe799b257043839634de92dffce361922658eb3d6330 |
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font_01_sfnt_off0000d92f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD92F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f141.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF141 | 17632 bytes |
SHA-256: 2db8c54676d310e9a8cba389b7312c084e04c8948ed50f8045bfb2a563e93c18 |
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