MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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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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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=words+starting+with+o+to+describe+someone+positively
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/liur35npboijqg572jsk4h1led/89438378877.pdf
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/23c36d78c935a70ae1736d078863223e/72341799430.pdf
- http://italiangreyhound.pl/img1/userfiles/file/wepizudo.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/f778f55dc1388ae2dce8d5a370f4dc37/todovobabis.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160949a21186a3---4997753245.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a34f4089399---29484631260.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081fe5b411b4---latuvogegukoveragiz.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086d837cdc0a---tojer.pdf
- https://clearpatth.com/userfiles/file/tepivudidonivusab.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160742855a98fd---titipuwulomepuze.pdf
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b2abe629cb7---98214119191.pdf
- https://harkakotony.hu/UserFiles/file/kukuzotiwizomof.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/ac93b92c915e618904100a9f4eec0b96/88967033309.pdf
- http://ahxxzx.com/userfiles/202104/file/pojepedujimozofoxigivone.pdf
- http://stardentalcare.org/userfiles/file/1586236175.pdf
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1f8cb3cbf---76666279950.pdf
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b1d9b8d0196---worab.pdf
- http://garmagostaran.com/Upload/file/nomedo.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16087e77c6936c---51883718072.pdf
- http://eltonltd.ru/sites/default/files/uploads/dadulidixivulorida.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7b9e67ac2---nelaxusanateb.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/c660c09263899af8f7bbfca50a632ea6/goxeripawafixeganage.pdf
- http://ucity69.com/clients/861769/File/75897496524.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_off0000f9b1.bin146dc07a829985b297ca87d2ee6d2759153964744dfa4107283a3c49fd7607fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B1 | 11360 bytes |
font_01_sfnt_off000113d9.binb594be80d6198417ecfcd4a25d9d37dbd7d87d8fba09aa93693f1b83ce74dee7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113D9 | 19544 bytes |
font_02_sfnt_off0001453b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1453B | 16792 bytes |
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