MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file functions as a link farm, directing users to multiple external URLs, some of which host further PDF files. The presence of a visual download button suggests a lure to encourage user interaction and download of potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://hkparkkonutlari.com/image/files/zoved.pdf
- http://aqbnb.com/uploadfile/file/82779054032.pdf
- http://chinajessie.com/seadata/data/uploads/img/file/162570642772.pdf
- http://maremio.ru/admin/ckfinder/userfiles/files/82005700515.pdf
- https://cleaner.pl/userfiles/file/89936324733.pdf
- http://allmedicus.com/userfiles/file/fivetowozuwurekuzesesofod.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a21f8ab7ca---26828069046.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c81edaee19---27834746355.pdf
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/0aa1419c7464a4869f6034c7e2b2cad7/korosadav.pdf
- http://aarogyamedico.com/userfiles/file/ruxadirimilojisoluferiver.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/7cc3a4f28dd1eda355f7cebae055eee7/wefegewiposaponomipegener.pdf
- https://dpengineerindia.com/admin/userfiles/file/47065274708.pdf
- http://fujavietnam.com/images/Download/savuxagagateg.pdf
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bf67d5c18e3---moteguzibutepakika.pdf
- https://carparts-fixture.com/file/file/45895282763.pdf
- https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/18ad8ebf3cc0f5b1c9adc97a10c9d703/jebinakarorasusud.pdf
- http://www.aluvascientific.com/UserFiles/file/53846288230.pdf
- https://santevita-bg.com/ckfinder/userfiles/files/65606747834.pdf
- http://dolphinkorea.com/files/files/xemonisiretugeteme.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160ddcb99e033c---kikexubet.pdf
- http://exmar.it/foto_fck/file/botizolumametawipafoj.pdf
- http://photou.cc//ckfinder/userfiles/files/5917239392.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=descargar+crafting+and+bullying
- 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_off0000df89.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF89 | 16792 bytes |
font_01_sfnt_off0000f79b.bind8033f3499d4aae07b0a35a256e6a1c0c57263161f7bb9c02a388e6840d1e8a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79B | 18160 bytes |
font_02_sfnt_off0001265c.bin450f796b3ef1242145bd45aff9247227d2a36c9d2da2ea3327c92d790019f9e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1265C | 10888 bytes |
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