MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is designed to host multiple links, potentially for phishing or malware distribution. While no scripts were explicitly extracted, the presence of numerous embedded URLs, some with 'utm_term' parameters suggesting tracking or redirection, reinforces the attack pattern of luring users to external, potentially harmful, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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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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://ruedi-leuthold.com/userfiles/files/72811639828.pdf In PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/a79652a0dee0d8db147a86e43dfaff45/pixefet.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/10149161151.pdfIn PDF document text
- https://itandem.net/ckfinder/userfiles/files/44549282.pdfIn PDF document text
- https://sadhankendra.org/erc/media/texojotikeket.pdfIn PDF document text
- http://spl-designs.com/ckfinder/userfiles/files/duxoku.pdfIn PDF document text
- http://tsrmvolontari.it/userfiles/files/mufuliraxekunepitid.pdfIn PDF document text
- https://alansglobalservices.com/ckfinder/userfiles/files/giturefovepis.pdfIn PDF document text
- http://zzfcw.com/file/fkimg/file/33472674293.pdfIn PDF document text
- http://tongrentangthai.com/UserFiles/file/66013226267.pdfIn PDF document text
- https://nangluongvada.com/uploads/files/77619113317.pdfIn PDF document text
- http://form4concrete.ru/pics/cont/file/56480940961.pdfIn PDF document text
- http://baldonimarcostudio.eu/userfiles/files/dodipepujujapu.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/4ls75uivhfosp7gu4qovqvru17/9087180890.pdfIn PDF document text
- https://kochitaxirental.com/ckfinder/userfiles/files/xefenilevol.pdfIn PDF document text
- http://hzyixiangchem.com/upload/files/galedaxufojewer.pdfIn PDF document text
- http://jinruily.com/UploadFile/file/20210910175906173.pdfIn PDF document text
- https://stockbauer.hu/uploads/file/sawonovojesefakevil.pdfIn PDF document text
- http://nextgenship.net/upload/file/20210911163134655344.pdfIn PDF document text
- http://swatimishra.in/uploaded_files/userfiles/files/gozukigekikamadakipixubu.pdfIn PDF document text
- http://soluzionebenessere.eu/userfiles/files/bufoguwudigoxureva.pdfIn PDF document text
- http://heichapuzi.com/uploadfile/file/36350705871.pdfIn PDF document text
- http://gma.ge/admin/ckeditor/ckfinder/userfiles/files/2502735070.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=download+iron+man+1+game+for+androidPDF link annotation
- 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_off0000b1d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1D9 | 10572 bytes |
SHA-256: 158667513da40c15616a103ed10ca474fd398a728335e41746855935d1e5229b |
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font_01_sfnt_off0000c9c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9C8 | 15176 bytes |
SHA-256: 961622edcc424544b9ec1e74322e841b751a1935808b9097bae03f547453320b |
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font_02_sfnt_off0000eff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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