MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The PDF contains numerous embedded URLs pointing to disposable domains, suggesting a phishing or malware distribution campaign. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a deliberate attempt to create a link farm, likely to obscure the true malicious destination or to spread malicious links across many domains. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 5
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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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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=bluetooth+notification+apk PDF link annotation
- http://geodeslaboratori.eu/userfiles/files/46010303563.pdfIn PDF document text
- http://newbiiz.com/upfiles/file/xidogabe.pdfIn PDF document text
- http://merwepizza.com/upload/file/kozawelafuvujaxomoreledi.pdfIn PDF document text
- https://emailing-online.fr/uploads/userfiles/file/92902589204.pdfIn PDF document text
- https://allmassage.net/upload/file/20210914050908.pdfIn PDF document text
- http://mn-print.ru/ckfinder/userfiles/files/52579262957.pdfIn PDF document text
- http://sozopolihills.com/userfiles/file/gobawaji.pdfIn PDF document text
- http://yucehukuk.com/resimler/files/85998843150.pdfIn PDF document text
- http://orchid-daikanyama.com/userfiles/file/zekuxulofugujipivep.pdfIn PDF document text
- http://lagrupacio.cat/file/79556592352.pdfIn PDF document text
- https://thaiahpa.com/flash/files/leloteji.pdfIn PDF document text
- http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/pajasopaxijodobuxubuxim.pdfIn PDF document text
- https://seedcambodia.org/htdocs/cljr/data/files/zekedowodoponifawesinebab.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/putubifiri.pdfIn PDF document text
- http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pejulukopuwuruwasiku.pdfIn PDF document text
- http://starma.pl/files/file/63481367824.pdfIn PDF document text
- https://niboparis.com/upload/fckeditor/files/noxukakomat.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9ded3a495---41436401379.pdfIn PDF document text
- https://0286869143.com/editor_images/files/70828960722.pdfIn PDF document text
- http://medianet2000.net/amm_prod/image_news_popup/file/54247011814.pdfIn PDF document text
- https://hagabb.ro/ckfinder/userfiles/files/zabofoxawowiwenitos.pdfIn PDF document text
- http://cyc.cz/pictures/clanky/files/vafojosakopikelejiwulu.pdfIn PDF document text
- http://bronnicy.inhome360.ru/admin/ckfinder/userfiles/files/49380642711.pdfIn PDF document text
- http://www.ezmoving.com/file/nepifomiverutumezujemebud.pdfIn PDF document text
- http://phonphangschool.com/upload/files/fufegunimexonepefeva.pdfIn PDF document text
- https://wrd13.com/force/file/kifofuxipudetuvatolefegiz.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_off0000dbb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBB0 | 10556 bytes |
SHA-256: 2dbde52a40f614e957d5cee0391baff7c471ef71f92f2d2174976a0d8a92198a |
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font_01_sfnt_off0000f3b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B4 | 20780 bytes |
SHA-256: d2101fd33d8587f2e61d4dc04b16893692aab9c849bb325faad0bb041fae4921 |
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font_02_sfnt_off00012a1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A1E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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