MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a phishing or malware distribution lure. The ClamAV detection and ML classifier strongly indicate malicious intent. No scripts were extracted, but the structure points to a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://pistant.ru/uplcv?utm_term=what+size+gt+mountain+bike+do+i+need PDF link annotation
- https://dbmotorbrokers.com/userfiles/file/sojapeso.pdfIn PDF document text
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090c511bcd3a---55332273210.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/d620767e9c55a5033d226e1598e8e73c/lefik.pdfIn PDF document text
- https://jpjplumbingandheating.com/FCKeditor/file/85254309997.pdfIn PDF document text
- https://adepotcustom.com/UploadFiles/file/20210514200120162.pdfIn PDF document text
- https://hfbee.tw/upload/ckfinder_temp/files/20210811060146.pdfIn PDF document text
- http://ksklinika.ru/ckfinder/userfiles/files/lapajomofopupovawip.pdfIn PDF document text
- http://cabinet-blin.fr/ressource/site-image/files/52227655710.pdfIn PDF document text
- https://brazilairporttransfers.com/ckfinder/userfiles/files/nigefagugegoloxara.pdfIn PDF document text
- http://ontsgoi.shop/uploads/files/91031810962.pdfIn PDF document text
- http://cinebuzz.be/uploads/userfiles/files/kejuxolonazi.pdfIn PDF document text
- http://vstarmp.cn/upload/files/20210810_151308.pdfIn PDF document text
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/f6p4hk7qtojuhrfrvk8jb0ark0/gojabelogemapaz.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/d8f48ac66856a089144c018bc95ad702/99312590598.pdfIn PDF document text
- http://memsports.com.br/admin/libs/ckeditor/ckfinder/files/benunurukozi.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608769295abd9---54405929545.pdfIn PDF document text
- http://meijialx.com/ckfinder/userfiles/files/25937185653.pdfIn PDF document text
- http://magooferta.pl/uploads/fck/file/kemiremizuliguko.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160a17d9e485b3---kuxadinekof.pdfIn PDF document text
- http://gpkoaee.ru/ckfinder/userfiles/files/raravavup.pdfIn PDF document text
- http://bartuceviri.com/userfiles/file/95018620340.pdfIn PDF document text
- http://berbun.com/user_img/file/13755800957.pdfIn PDF document text
- http://imssp.by/data/images/fxeditor/file/tulupebeluwobiki.pdfIn PDF document text
- http://bioident.pl/photos_fck/file/21479343006.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_off0000e8e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8E3 | 10936 bytes |
SHA-256: ceaacf00064adbfb1f2d720d4320681315a522e81e0f7bb8839225b97031cb71 |
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font_01_sfnt_off000101ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101EC | 16520 bytes |
SHA-256: aa97762543bc8ad327de68dfebd423ef6fc3e105e283f48f3cbefdc6cdf2cb6e |
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font_02_sfnt_off00012cea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CEA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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