MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm hosted on compromised WordPress sites, suggesting a phishing or malware distribution lure. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway scanning. While no scripts were directly extracted, the presence of embedded URLs and the overall structure point towards a malicious intent to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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 http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792e574200f---jagofotizitasulodevewiwex.pdf
- http://togul.org/sites/default/files/file/15044462645.pdf
- https://bancodevida.com/bancodevida/admin/images/image/file/48029070269.pdf
- https://bandotrading.it/uploads/file/58357221.pdf
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d85dc621dcd---15412164424.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609f68d7436c2---80915899649.pdf
- https://1877painters.com/FCKeditor/file/gidafipapanigofapex.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/f806ecdd5692a1853c941d46e2c8e800/gasijete.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/sb6ssk7m80s5nihbvg1fl5os6b/magevefufakidiranobavipez.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e2ca1e317---ravafinoriwilotirurodi.pdf
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/160824565b55fb---mozijufifogojawuseme.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c86da8575a---lilaxafigaxiwajefivuvono.pdf
- http://dominoliberec.eu/images/file/files/rogijevebimesukepovoxizix.pdf
- http://congtrinhnhaviet.vn/upload/files/11249136611.pdf
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/buq9vj91gbjdfddgqb85scdcf5/bonolazivexapekarapa.pdf
- http://volamtuyetthe.com/userfiles/file/14280357089.pdf
- http://imbirimbir.ru/files/48913016370.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/234bfd16833a8ac3cd73a7abd8da2c49/10295775791.pdf
- https://p99.tw/pro_pic/files/18068716598.pdf
- http://uralteplostroy.ru/content/file/mefoxefovulavi.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16075c432daed4---94270457913.pdf
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16084f9451b4fa---63538705360.pdf
- http://sevimticaret.net/userfiles/file/miwunelifesulip.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=curso+aprendizajes+clave+ciencias+pdf
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/404e30bbf6d1262d184b64203484379e/43238780907.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cdaa.bine7de1f005549e54319a6ffdad1fcec6981bdbef228aa300bed9e8c3fd0fdc57f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDAA | 19464 bytes |
font_01_sfnt_off0000fefc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEFC | 16792 bytes |
font_02_sfnt_off00011713.bin96e5e0ad7ec4221aa78d814b59262a9bdd37fbc8986e21af2d933b6fff48d16b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11713 | 10900 bytes |
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