MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, with a high concentration of links pointing to distinct hosts, indicating a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically identified as a phishing trojan. While no scripts were directly extracted, the PDF structure and embedded links are consistent with techniques used to redirect users to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/tujox.pdf In PDF document text
- http://kdsonline.org/userfiles/file/deridus.pdfIn PDF document text
- http://idroter.org/userfiles/files/94129128087.pdfIn PDF document text
- https://organicfertilizerproduction.com/d/files/gozime.pdfIn PDF document text
- https://mimpishiosatu.com/contents/files/24424453679.pdfIn PDF document text
- https://phucatgarment.com.vn/ckfinder/userfiles/files/neduga.pdfIn PDF document text
- http://metalltechnik-kutschi.at/19520269885.pdfIn PDF document text
- http://wjcopy.com/upload/files/kafedinemuluvirerax.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137e83ecbdb8---puriguruludakaronaxijonox.pdfIn PDF document text
- http://beautifulmoda.com/userfiles/files/22572681089.pdfIn PDF document text
- http://www.ruben.pl/ckfinder/userfiles/files/14434038704.pdfIn PDF document text
- http://adas-muko.pl/photo/file/jinodaka.pdfIn PDF document text
- http://guerrazzi.info/userfiles/files/78820774581.pdfIn PDF document text
- http://iehyun.com/editorupload/file/vobiriroxijugijobunug.pdfIn PDF document text
- http://tks-forever.com/upload/2021/09/11/file/rilobuxarifojiwi.pdfIn PDF document text
- http://szintai.hu/ckfinder/userfiles/files/xoruxomewagesitagotalukev.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b37c7ad6ef---56814791727.pdfIn PDF document text
- http://www.workbythai.com/admin/assets/images/54664546342.pdfIn PDF document text
- https://zlato-invest.cz/upload/files/xineravu.pdfIn PDF document text
- http://cansuyu.org/resimler/files/90488094807.pdfIn PDF document text
- http://top1np.com/ckfinder/userfiles/files/34938849127.pdfIn PDF document text
- http://addon-colsman.somantec.net/ckfinder/userfiles/files/52548400410.pdfIn PDF document text
- http://fruitsad.pl/images/file/68100915283.pdfIn PDF document text
- https://esperanzadeavila.com/fotos/file/97791955188.pdfIn PDF document text
- http://qapoll.com/2015/vat/upload/files/mubixuxilomomamera.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=crash+bandicoot+isoPDF 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_off0000b60b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB60B | 16936 bytes |
SHA-256: 94c491318b491245ed4f2060e43383bd5362b8190b6a757356900dd581d92f39 |
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font_01_sfnt_off0000e17b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE17B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f992.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF992 | 10460 bytes |
SHA-256: 794489d0fac3b001f4ae4301ba9efafc47df696affcf1b9f9eaf4bcbc7f2735c |
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