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 external URLs, many hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of PDF-specific heuristics like 'PDF_URI' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this. No scripts were extracted, but the overall structure points to a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://smidgel.ru/uplcv?utm_term=recover+deleted+contacts+google+android PDF link annotation
- https://festivaldelmaridaje.com/sgi_userfiles/userfiles/files/59513527208.pdfIn PDF document text
- http://ciaomamma.hu/editor_up/58510220521.pdfIn PDF document text
- http://spiregene.com/image/files/20210907_141403.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/9f9620cc79155c2e105846cb91a6dd25/xemofi.pdfIn PDF document text
- http://darec.sk/files/files/mewepeguzena.pdfIn PDF document text
- http://gr-chem.com/upload/files/44756248665.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/nguopudc614fuduhn7pehgpt1v/19337434062.pdfIn PDF document text
- http://bhhangkhong.com/upload/images/files/mavosufemefap.pdfIn PDF document text
- http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/30524947506.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///49769410309.pdfIn PDF document text
- https://calmoinc.com/upload/editor/file/wuner.pdfIn PDF document text
- http://wyadonline.com/userfiles/file/totezifebutazibo.pdfIn PDF document text
- https://coherence.cz/userfiles/file/doxigebejikomizej.pdfIn PDF document text
- http://boldogelet.hu/media/20175568809.pdfIn PDF document text
- http://bjbtrh.com/files/pic/file/62835844035.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/66574780193.pdfIn PDF document text
- http://namngonviet.com/user-/files/xadakikogesof.pdfIn PDF document text
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/48907a29bbd1fde02e5f3a1643855220/30002609965.pdfIn PDF document text
- https://lacgl.org/upload/editor/file/lumedoja.pdfIn PDF document text
- https://ubk-sad.de/azubi/userfiles/files/79075662041.pdfIn PDF document text
- http://www.aragonemprendedor.com/userfiles/files/12893746797.pdfIn PDF document text
- https://asiantms.com/ckfinder/userfiles/files/87631155071.pdfIn PDF document text
- http://nyitotthaz.hu/userfiles/files/vegadoxojefa.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_off0000cc55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC55 | 10656 bytes |
SHA-256: 2800566209ba8f88eea7cb51f47fe7fca1fd9dbd3a1317df80d21e8428faeee8 |
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font_01_sfnt_off0000e4a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4A9 | 17196 bytes |
SHA-256: 5cbb796bb1672c7161d71d0fac67eb5949f9b43eb3848e64c33163f93b243548 |
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font_02_sfnt_off000110ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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