MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that lead to external resources, some hosted on compromised WordPress sites. The presence of 'utm_term' parameters suggests a potential phishing or SEO manipulation campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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=is+yamaha+rx+100+available+in+india
- http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/lalekabetorimo.pdf
- http://luingpyrex.cz/foto/Image/file/738943431.pdf
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/401ec3dabb6bf3e4d92267d221ab702a/74408563772.pdf
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/a767fdd45cb7edcfa84116b4de33d685/lakonawoteto.pdf
- http://mitsubishilongbien.vn/images/ckeditor/files/wezovinezavobax.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/5915512d55f86bc406bc6f073950cdb3/82228171039.pdf
- http://czdashan.cn/uploadfile/file/2021070908082773499.pdf
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/37be8f9f890d89687d433b47fc97cd17/20952158338.pdf
- http://cuspsurgeons.com/userfiles/file/pujago.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/e4882e55424a97e3834a46feda97e330/sukurumewabofigovamimezi.pdf
- http://schokoladenfontaene.de/idata/25524015295.pdf
- http://kondicionery-krasnogorsk.ru/upload_picture/file/nojurifamewof.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e7f187fce---nexamojefuwuronejufukobi.pdf
- https://bozoklar.org/ckfinder/userfiles/files/kotodagapujatoxon.pdf
- https://bwawarszawa.pl/upload/file/30398589214.pdf
- http://fotossc.pl/_files/file/75192369720.pdf
- http://fantasymusic.it/userfiles/files/40811507428.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160702939dcf36---jotigi.pdf
- http://ceskylakros.cz/userfiles/file/jexokonevakegogike.pdf
- http://vigova.vn/Images_upload/files/73039051855.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b788c03a03f---85417461007.pdf
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16072749f2d474---vofutebozinesejarud.pdf
- http://timebymtm.com/upload/files/jopifidifosiwedulak.pdf
- http://dabaizhongxue.com/upload_fck/file/2021-7-20/20210720044901699953.pdf
- http://alibabashipping.com/userfiles/file/gekugavadikaloxomile.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f470.bincfb665a2a0a7e3f42384c97e495232c14299672246e9c28357efbde8475e96df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF470 | 17308 bytes |
font_01_sfnt_off00012163.bin87e7784b4b7d7dfc52385f3b650e43994adf3dba4339ad5a6d974cb30ce41c43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12163 | 10840 bytes |
font_02_sfnt_off00013a3e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A3E | 16792 bytes |
font_03_sfnt_off0001524f.bineb83fb48a2f60ac59fad768156047f025764cad4052c8f34695a9c8dd2456ad8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1524F | 16132 bytes |
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