MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to other PDF files, suggesting a multi-stage download or redirection scheme. The presence of a 'download button' lure further supports a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 6
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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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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 http://sahcarpets.com/userfiles/file/12973850924.pdf In PDF document text
- http://xn--72c7caerxx0d3a9eve.com/UserFiles/File/37507997377.pdfIn PDF document text
- https://yogaspotny.com/userfiles/file/lopujiselu.pdfIn PDF document text
- https://accounting789.com/ThImg/file/jukatorinixilesitope.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-9-12/20210912011519103697.pdfIn PDF document text
- http://dogalakustik.com/depo/sayfaresim/file/rudifanapoxare.pdfIn PDF document text
- https://altstudio.be/app/webroot/uploads/file/46960514625.pdfIn PDF document text
- http://wedding-box100.com/uploads/files/202109072327089634.pdfIn PDF document text
- http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/vaxosizilojopo.pdfIn PDF document text
- http://robfredo.com/userfiles/file/zovavifegugimedo.pdfIn PDF document text
- http://educaholistica.com/resources/img/imagesck/files/tubulidawawatawozojero.pdfIn PDF document text
- https://www.hsbofmn.com/ckfinder/userfiles/files/42200499965.pdfIn PDF document text
- http://architettoangeli.it/userfiles/files/81000910685.pdfIn PDF document text
- http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/93468511870.pdfIn PDF document text
- http://cerescommoditiesltd.com/Images_upload/files/46019236259.pdfIn PDF document text
- http://bimbrlata.cz/UserFiles/File/85259751383.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/jp06cthd4bc7uleigeej8loob7/34510582936.pdfIn PDF document text
- http://ytbozhuo.com/upload/file/140120464863.pdfIn PDF document text
- https://cualuoihoanmy.com/uploads/userfiles/file/82005825783.pdfIn PDF document text
- http://epmresearch.org/userfiles/files/fixinadek.pdfIn PDF document text
- https://www.bosingels.nl/ckfinder/userfiles/files/jobudabojolaxi.pdfIn PDF document text
- https://legyenegyjonapod.hu/userfiles/files/890293380.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=mp4+juice+free+music+video+downloadPDF 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_off0000c1b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1B7 | 16944 bytes |
SHA-256: 62229b9cb04d746ffa145016a9d2c46cc5fa4d5d568cc8f186d8d3d7eebfeb14 |
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font_01_sfnt_off0000ed83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED83 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001059a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1059A | 11136 bytes |
SHA-256: a71e2439ae3119e16b9563648faccb3e985478b970a32e41be6e0b4317272911 |
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