MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of embedded JavaScript and numerous external URIs, some pointing to potentially malicious domains, suggests an attempt to redirect the user to a phishing or malware distribution site. The 'SE_CALLBACK_LURE' heuristic further supports a phishing or scam pretext, likely aiming to trick the user into calling a fraudulent number.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://tartak-monis.pl/tartak/images/file/kiwuno.pdf In PDF document text
- https://godahoian.com/app/webroot/upload/files/paruwixiwuje.pdfIn PDF document text
- http://graphicyazd.com/ckfinder/userfiles/files/vusidilorofogaxarozeker.pdfIn PDF document text
- http://inprovitchile.com/ckfinder/userfiles/files/jovepesinumad.pdfIn PDF document text
- http://shriramashramssschool.org/userfiles/file/6637768481.pdfIn PDF document text
- http://www.biosafety.biz/ckfinder/userfiles/files/fozumerawelinapapowux.pdfIn PDF document text
- http://3234.us/data/attachment/file/88705442687.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613450f59fc38---tivebakajun.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143a4446ed4f---22107391431.pdfIn PDF document text
- http://gabinetpro.gabinetpro.pl/kosmetyczka/krakow/files/nonakasolebize.pdfIn PDF document text
- https://fejlesztes.codefon.hu/js/ckfinder/userfiles/files/xirezalepawipaniwunapa.pdfIn PDF document text
- http://www.rannatennis.ee/data/upfiles/files/kizuzak.pdfIn PDF document text
- https://cualuoihoanmy.com/uploads/userfiles/file/23987429753.pdfIn PDF document text
- http://hidropro.hu/upload/rozixazusupasarip.pdfIn PDF document text
- http://playitdirect.ca/ckfinder/uploadfiles/files/wopolufevipel.pdfIn PDF document text
- http://1yunnan.com/ckfinder/userfiles/files/razonunomimuximozalemevaw.pdfIn PDF document text
- http://kooijobs.in/ckfinder/userfiles/files/xakemaj.pdfIn PDF document text
- https://hinaweb.com/upload/file/88223905934.pdfIn PDF document text
- http://frankifoto.com/uploads/pages/files/fopelu.pdfIn PDF document text
- http://penzion.sarmo.cz/Images/file/94232064155.pdfIn PDF document text
- http://dhf-china.com/d/files/kufaxeweledinenem.pdfIn PDF document text
- https://ingatlanfelugyelet.hu/uploads/file/65141076534.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=growing+carnations+from+seedPDF 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_off0000d706.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD706 | 10896 bytes |
SHA-256: 71b52393c48cf3190e6aa1417a9587cf05699b9310dfa147750eb373182acf21 |
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font_01_sfnt_off0000f023.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF023 | 18364 bytes |
SHA-256: 4fef9592477b06d00d0b179695401c4214ed0a3497dd515d3c6968c1b4a19005 |
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font_02_sfnt_off00011fb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FB5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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