MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The 'SE_CALLBACK_LURE' heuristic strongly suggests a callback phishing or tech-support scam pretext. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a malicious document designed to deceive users into contacting an attacker. The presence of numerous embedded URLs, many pointing to unknown or potentially compromised domains, further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://aotem.com/data/home/qxu1780220113/htdocs/uploadfile/files/82957910707.pdf In PDF document text
- http://bangladeshceramicsociety.com/uploads/editor/files/69160874784.pdfIn PDF document text
- http://rydelko.pl/userfiles/file/49644072148.pdfIn PDF document text
- http://makesomenoise.hu/upload/file/ziken.pdfIn PDF document text
- https://marthomaktrplrdiocese.org/ckfinder/userfiles/files/fezukopagezuzeporuju.pdfIn PDF document text
- http://velapower.com/glwh/UploadFile/file/2021092216574173499.pdfIn PDF document text
- https://airbays.com/userfiles/file/nejadupudux.pdfIn PDF document text
- https://nucamsa.es/userfiles/files/3316682177.pdfIn PDF document text
- https://vico-inmobiliaria.com/ckfinder/userfiles/files/godezeriduruvebolufij.pdfIn PDF document text
- http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/xedusimixexepegepiwas.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1614ed3eea8faf---xedazemegewofojolugisuj.pdfIn PDF document text
- https://immo-cjeanpaul.lu/userfiles/files/32538271410.pdfIn PDF document text
- http://spl-designs.com/ckfinder/userfiles/files/milejojomise.pdfIn PDF document text
- https://regaluxiluminacion.com/uploads/assets/file/61244106991.pdfIn PDF document text
- http://websitesample.in/atlantis/assets/ckfinder/userfiles/files/wagirogikalobe.pdfIn PDF document text
- http://yucehukuk.com/resimler/files/rusiwumuf.pdfIn PDF document text
- http://akgwealthplanner.com/crm/files/10110036965.pdfIn PDF document text
- http://neza.cz/UserFiles/File/ponupuvis.pdfIn PDF document text
- https://heritran.vn/uploads/news_file/funamelenebofojapunovaxos.pdfIn PDF document text
- http://cornucopiafrederick.com/uploads/files/keteguwomegijebejen.pdfIn PDF document text
- https://watfordfairtrade.org/app/webroot/img/files/wikexuwi.pdfIn PDF document text
- https://medsplus.us/admin/images/file/vodafewutuzanebaremewo.pdfIn PDF document text
- http://compsult.net/userfiles/file/96710911804.pdfIn PDF document text
- http://cnc-soustruzeni.cz/files/file/53773134700.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+put+3+images+in+one+pdfPDF 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_off0000cd30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD30 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE547 | 11044 bytes |
SHA-256: bc0d5083a968b5ff59bafe6fbd4b40e4a346e6fe671ec3167bba00568174df65 |
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font_02_sfnt_off0000fed5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED5 | 17972 bytes |
SHA-256: f0add3aa57e5872ceb1c4d7850f4e2fee0774f28d0b41643d9e7f0526e66e169 |
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