MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristic 'SE_CALLBACK_LURE' strongly suggests a callback phishing or tech-support scam, where the document prompts the user to make a phone call. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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://citadelcaralarms.com/userfiles/file/82111942701.pdf In PDF document text
- http://dj-maily.com/uploads/pages/files/fodokuxego.pdfIn PDF document text
- http://mebel-moscow.com/content/xuploadimages/file/10069689821.pdfIn PDF document text
- https://synodradomski.pl/userfiles/file/86827798181.pdfIn PDF document text
- https://cribpointonline.org/cribpointonline/userimages/file/89186732070.pdfIn PDF document text
- https://sledovani2.gpshlidac.cz/www/userfiles/files/fopag.pdfIn PDF document text
- https://aletihad-group.com/userfiles/files/xavegifaju.pdfIn PDF document text
- http://soles2walk.cz/data/file/91761025373.pdfIn PDF document text
- https://svltv.in/userfiles/files/motebesanitifaxofagur.pdfIn PDF document text
- http://hide-bo.com/img/tmp/file/2780845385.pdfIn PDF document text
- http://www.siscbolivia.com/admin/uploaded/fck/file/56617453834.pdfIn PDF document text
- https://ndmoyun.com/calisma2/files/uploads/96982391742.pdfIn PDF document text
- https://drticket.ir/basefile/drtiketcom/files/65532621900.pdfIn PDF document text
- https://ciiinnovationsummit.com/ci/userfiles/files/54432499926.pdfIn PDF document text
- http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/89144538747.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/490fe0c282a0393435e859a8e4b62dae/26033361342.pdfIn PDF document text
- https://alstar.uz/images/shared/file/xurewakotutufobupi.pdfIn PDF document text
- http://eko-baby.ru/userfiles/file/78758692034.pdfIn PDF document text
- https://psg66.ru/admin/ckfinder/userfiles/files/fuzapasimabapekavuruken.pdfIn PDF document text
- https://pavillonwohlen.ch/userfiles/files/pimukefidax.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/dubolizalurijubivimil.pdfIn PDF document text
- http://www.me.ntou.edu.tw/ckfinder/userfiles/files/20210913_125246.pdfIn PDF document text
- http://dighakanchaninternational.com/FCKeditor/file/20512768905.pdfIn PDF document text
- http://qamsar.org/userfiles/files/rusizo.pdfIn PDF document text
- http://combatkuntao.com/ckeditor/ckfinder/userfiles/files/19588071180.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/70685797134.pdfIn PDF document text
- http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/74863321939.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=sully+2016+torrentPDF 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_off0000bb97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB97 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d3a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3A9 | 17244 bytes |
SHA-256: f8ef1ca4f0cf44bbd8ab9b71bb6c19274759c42222877ef5307ba6e018f26057 |
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font_02_sfnt_off0001005a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1005A | 10428 bytes |
SHA-256: eed3e26389755479164c2786149121d9f97f6b130e239667696c4a1f283f3323 |
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