MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was identified as malicious by a ML classifier and ClamAV, with heuristics indicating it is a callback phishing lure. Although no document body text was readable, the presence of numerous embedded URLs, many pointing to PDF files on potentially disposable hosting, suggests a phishing or scam attempt. The PDF structure itself is indicative of a malicious document, likely designed to trick users into initiating contact via phone.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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 http://st-johnson.com/Uploadfiles/files/83016427713.pdf In PDF document text
- http://imobiliariaimperio.com/files/files/65620759314.pdfIn PDF document text
- https://topupdana.com/contents/files/poxuxikekamefurepeteburam.pdfIn PDF document text
- https://ceccarbotosani.ro/userfiles/file/pigesivirikejin.pdfIn PDF document text
- http://jamesandsons.ca/userfiles/file/waxugavi.pdfIn PDF document text
- https://weilmclainboiler.ca/fck_upload/file/gefedevegodoriw.pdfIn PDF document text
- http://laureysnv.be/uploads/files/wopivagimokabapisuri.pdfIn PDF document text
- http://csc-0898.com/userfiles/file/20210901191241_zw0ba6.pdfIn PDF document text
- http://daithanhnam.com/upload/files/12482231431.pdfIn PDF document text
- http://autobedrijvenindex.nl/images/uploads/55569860950.pdfIn PDF document text
- https://keralahappyjourney.com/ckfinder/userfiles/files/roxosemiladukuduwu.pdfIn PDF document text
- http://salman-is.com/userfiles/file/mikave.pdfIn PDF document text
- http://bpabv.nl/uploadfiles/file/muvog.pdfIn PDF document text
- https://kaunas.cvzona.lt/resources/img/files/32171153607.pdfIn PDF document text
- http://vidiniaibreketai.lt/userfiles/file/59556567448.pdfIn PDF document text
- https://ccskin.com/geektic/files/87267140166.pdfIn PDF document text
- http://stattus.com/assets/file/rafimibewiwowosipita.pdfIn PDF document text
- https://dp-engineers.com/admin/userfiles/file/44239436233.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/lujusirisajedomigexafuna.pdfIn PDF document text
- http://www.anapharmata.hu/ckfinder/core/connector/php/files/giroxopomeguzokun.pdfIn PDF document text
- http://c-six.it/userfiles/files/13479211402.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/55804993213.pdfIn PDF document text
- http://positiveforce.in/uploads/files/jugasesigowemifed.pdfIn PDF document text
- http://allefrgycg.news-read.com/upload/files/fijotinal.pdfIn PDF document text
- https://locoffice.ru/userfiles/file/72400205562.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=dinosaur+king+games+download+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_off0000c23c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC23C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA53 | 10880 bytes |
SHA-256: 2b2258635ebb97d669c220ad973df337de8ae09bef592da658ec9f99fcd84092 |
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font_02_sfnt_off0000f34e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF34E | 17692 bytes |
SHA-256: 255c14de9bc26bc291ef9d200ec758500e191a51e99306e70705afe1a4cefe84 |
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