MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous distinct hosts and URLs, coupled with the 'utm_term_redirector=True' flag, suggests a phishing or malware distribution scheme. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure points to a malicious PDF designed to redirect users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://drsrkbedcollege.com/ckeditor/ckfinder/userfiles/files/miwunomijawumizetajewewa.pdf In PDF document text
- http://satyavnetworks.com/fck_upload_images/file/vamepoxubi.pdfIn PDF document text
- https://aluvioneschicamocha.sinecsas.com/ckfinder/userfiles/files/luxokebopuzone.pdfIn PDF document text
- https://privatecambodiatour.com/userfiles/file/90699632498.pdfIn PDF document text
- http://sangjeom.com/userfiles/file///50543997693.pdfIn PDF document text
- http://dyccpharma.com/upload/files/79893996319.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133f81dd3f8b---79841546504.pdfIn PDF document text
- http://supermarketdv.ru/files/file/luzinijejidagaliji.pdfIn PDF document text
- http://halongbaycruises.org/upload/files/gefijume.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/44390265374.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/021058387569.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/94411512524.pdfIn PDF document text
- https://www.champagne-auge-dascier.com/ckfinder/userfiles/files/kupaxixalusobonivorub.pdfIn PDF document text
- http://spamsmsgiare.com/media/ftp/file/49352740350.pdfIn PDF document text
- http://lorofilmes.com/Uploads/ckfinder/userfiles/files/nifujusuxav.pdfIn PDF document text
- http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/7776845632.pdfIn PDF document text
- https://abyway.lv/images/ck_images/files/litivezanamon.pdfIn PDF document text
- http://intertravel.hu/_user/file/jefiwarig.pdfIn PDF document text
- http://thaicockstar.com/ckfinder/userfiles/files/kezivuparo.pdfIn PDF document text
- http://keacg.com/upload/files/bovutufimo.pdfIn PDF document text
- http://vidol.eu/userfiles/file/bavujadetopaj.pdfIn PDF document text
- http://internet-trade.eu/UserFiles/file/bafonerunobile.pdfIn PDF document text
- http://trivio.it/userfiles/files/fevabuwogijoziwiboxofelaw.pdfIn PDF document text
- http://inlovehuahin.com/file_media/file_image/file/nerijizisumotej.pdfIn PDF document text
- http://www.psoevalledeabdalajis.es/ckfinder/userfiles/files/25769987776.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=windows+7+ultimate+iso+imagePDF 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_off0000db3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f34d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF34D | 17920 bytes |
SHA-256: 3b991469a8c6d8bf3bcce65b436c06c88c982f8778144cc1132e470e20e359ec |
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font_02_sfnt_off000121f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121F3 | 10720 bytes |
SHA-256: 3da9e749b75cb1cf9a5e6b81ea2704e23edc1827b58c7688ba27f588022f858d |
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