MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised WordPress installations or disposable domains. The embedded URLs suggest a potential lure related to software downloads or other deceptive content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://archism.ru/uplcv?utm_term=dissenter+browser+android+apk PDF link annotation
- http://tongshengchem.com/ckfinder/userfiles/files/dozofiluxugepugineponov.pdfIn PDF document text
- http://fueandhair.com/userfiles/files/ketivebineneluwizigedadav.pdfIn PDF document text
- http://aromamahabaleshwar.com/ckfinder/userfiles/files/9742953664.pdfIn PDF document text
- https://dpengineers.info/admin/userfiles/file/lirifizinezapibilozu.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1613094488a956---47268820795.pdfIn PDF document text
- http://kovove-ploty-brany-zabradli.cz/UserFiles/File/71932903724.pdfIn PDF document text
- http://chongthamnguoc.vn/img/files/50262722703.pdfIn PDF document text
- http://harmonie-avion.fr/actualite/files/80893809448.pdfIn PDF document text
- http://thepnguyentran.com/media/ftp/file/xitivusewirowovujediz.pdfIn PDF document text
- http://tsraccountants.nl/mailing/images/photo/file/31759558626.pdfIn PDF document text
- http://cnmrobotics.com/files/files/nenegeredigo.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5701c2cd4---bigizi.pdfIn PDF document text
- http://zgkimsteszew.pl/img/upload/files/jimaset.pdfIn PDF document text
- http://nataliashishkina.com/userfiles/file/padakoreroze.pdfIn PDF document text
- http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/79913428297.pdfIn PDF document text
- https://xnkvinatimex.com/uploads/files/pipizegifivowoka.pdfIn PDF document text
- http://ekopaczka.pl/imgbrama/files/49390383817.pdfIn PDF document text
- http://russkiivopros.com/images/FCKeditor/file/93816578029.pdfIn PDF document text
- http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/95018909764.pdfIn PDF document text
- http://invismortgagebroker.com/images/file/rukef.pdfIn PDF document text
- https://techinnsrl.com/writable/public/userfiles/file/regimakarexux.pdfIn PDF document text
- http://flashdisplay.net/UploadFiles/FCKeditor/20210903021553.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/315b735cb02fc7338a57306d2b00879f/6253020265.pdfIn PDF document text
- https://tumsad.org/img/editor/image/file/favikegojo.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_off0000ec04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC04 | 18704 bytes |
SHA-256: 6dd6e905e85fb3794bde838bcf1b730d8b72ee3c468e05cad1c61cb17fe0848a |
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font_01_sfnt_off00011c2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C2E | 10660 bytes |
SHA-256: 525b893fe052ce5f492d019cf324397248cc6d2c9835eccbf8cdc7628a51a745 |
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font_02_sfnt_off0001349e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1349E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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