MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised websites, suggesting a phishing or malware distribution scheme. The PDF structure and embedded URLs point towards an attack pattern involving spearphishing attachments, where the document itself acts as a lure to external malicious resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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=r+write+a+function
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/qqop138rpter02hqi4rfiuf0oi/juduwigorunugezas.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160777eb6487f8---95929635964.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606c918b8c35c---venifunozuxoner.pdf
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/02f4301e32895258978385b3b68988b1/89554090505.pdf
- https://arerp.kr/data/file///83000146587.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/c2g6hmi2hgevelibn2gssr8at1/49491812169.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae77b666fc6---30406587005.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e36137089---37112158569.pdf
- http://ruoumoc.com/upload/files/94290816249.pdf
- https://yucekalipmakina.com/tsrm1/img/userfiles/file/30618579939.pdf
- http://portalcom-b2b.es/img/user///file/_0010023001619859979.pdf
- https://rm-parketi.si/uploads/sakemafepalowiwel.pdf
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606d57dbbe32f---57191128421.pdf
- http://101-games.ru/images/uploads/files/6427650059.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0e77e69aac---37651123381.pdf
- http://stevis.cz/files/file/12994415627.pdf
- http://aimic.com/userfiles/file/52306261942.pdf
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/5bhbhsnitgq8roj0p9ao0mn111/vijuxotarusozo.pdf
- https://gyn-koe70.de/obrazky/file/54460317312.pdf
- http://yaqeen-eg.com/userfiles/file/7938359793.pdf
- http://eksan-ltd.com/userfiles/file/2991537154.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9c1c1235c---negijinetugigawenir.pdf
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/a6791c8177a7d686fcb652aba3f50c3f/notolupiwu.pdf
- http://unicaconsultoriarh.com/images/files/sebarugudewodorosewawofu.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_off0000b650.binc1bdfa0533941bc9c8c6cc7cad90620877fce50f2504c08d76f312578e08df1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB650 | 10348 bytes |
font_01_sfnt_off0000cde8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDE8 | 16792 bytes |
font_02_sfnt_off0000e5fa.binf7291dc1085b513ae72c320aa26522f8571d5a4d04f938982e52469d09e44d52 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5FA | 14864 bytes |
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