MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, with specific heuristics indicating it is a phishing lure. The 'SE_CALLBACK_LURE' heuristic strongly suggests the document's intent is to trick the user into making a phone call for fraudulent purposes. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://treasurehunterdetectors.solar-ovens.net/ckfinder/userfiles/files/tebawilolusimonajoginoton.pdf In PDF document text
- https://duproject.com/uploadEditor/files/42480774720.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/cttchq9vdvg1i1k4urlovvd0vq/ferixasoj.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/161341edcb0eab---jewitusakununu.pdfIn PDF document text
- http://www.ssc-ras.ru/ckfinder/userfiles/files/98494724649.pdfIn PDF document text
- https://www.netcorp.hu/data/editorfile/fefajavobiluvarewo.pdfIn PDF document text
- http://hp-cnc.de/uploads/files/28584144661.pdfIn PDF document text
- http://tpt.taipei/asset/uploads/files/41463348302.pdfIn PDF document text
- http://bebsulmare.com/userfiles/files/35562328608.pdfIn PDF document text
- http://nzozkrowodrza.pl/uploads/editor/file/sufaj.pdfIn PDF document text
- http://the-bom.kr/upfile/files/detarukesuzex.pdfIn PDF document text
- http://bassbasement.org/userfiles/file/6962715279.pdfIn PDF document text
- http://carbonelite.ru/file/reruzuzagezowu.pdfIn PDF document text
- http://creatinglifeoptions.com/userfiles/files/46766439533.pdfIn PDF document text
- https://emilline.dk/ckfinder/userfiles/files/kugalujet.pdfIn PDF document text
- http://kiszelyugyvediiroda.hu/docs/file/lekuwomar.pdfIn PDF document text
- http://carsonpokebar.com/uploads/files/bojapizojafiw.pdfIn PDF document text
- https://aquatrustfina.com/userfiles/file/59625980109.pdfIn PDF document text
- https://winstar-tools.com/UserFiles/editor/file/28796727482.pdfIn PDF document text
- https://laundrybyconrads.com/nbloom/fckuploads/file/kuvivakofobupi.pdfIn PDF document text
- http://teleinwestor.com/userfiles/file/gupumanakekezaxuji.pdfIn PDF document text
- http://slenderclub.cz/ckfinder/userfiles/files/ritejimuzepepukojovipij.pdfIn PDF document text
- http://goldstecq.com/userfiles/file/22203613710.pdfIn PDF document text
- http://lamay.de/userfiles/file/72977276626.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=multiple+accounts+apk+chinaPDF 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_off0000b43f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB43F | 18944 bytes |
SHA-256: cf6dd1485d549ba9037972d1319e22eada0e05124135ffd10935db49d80d0f32 |
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font_01_sfnt_off0000e408.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE408 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1F | 10556 bytes |
SHA-256: fc9a171ae8969b8f602ffc33fa58e2fc6c5f2e59f9bb12080020fdf2ba20d208 |
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