MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The presence of embedded JavaScript and numerous external URIs, many pointing to potentially disposable domains, suggests an attempt to exploit vulnerabilities or deliver a secondary payload. The 'SE_CALLBACK_LURE' heuristic indicates the document's content is designed to trick users into making a phone call, a common tactic in tech-support scams and callback phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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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://naim.naparts.com/images/fck/file/78516547394.pdf In PDF document text
- http://fabriquetextil.com/js/new/fckeditor/userfiles/file/xotezabareduwonajoraf.pdfIn PDF document text
- https://am-system.eu/ckfinder/userfiles/files/fewoxipikuwiwofakav.pdfIn PDF document text
- http://baodieptailor.com/uploads/2021-09-23/images/files/20822176690.pdfIn PDF document text
- https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/jokexikobo.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/wuvazonifaponodenanejiwa.pdfIn PDF document text
- http://xhzhengli.com/upload/54092295311.pdfIn PDF document text
- https://rmduncanrealty.com/userfiles/files/80046878378.pdfIn PDF document text
- https://vzglavniki.net/data/file/jimoditagewejoresi.pdfIn PDF document text
- http://datcat.vn/2018/file/vigesurem.pdfIn PDF document text
- https://zaragozadenoche.es/upload/files/pafisisizu.pdfIn PDF document text
- http://azizavacanze.com/userfiles/files/2628607353.pdfIn PDF document text
- http://msslink.ru/userfiles/files/batogew.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/018a32e960d18f4c320340947cd83f77/6418714681.pdfIn PDF document text
- http://mtsskzy.com/userfiles/file/zulufisox.pdfIn PDF document text
- http://global-leasing-management.com/uf/file/5290826111.pdfIn PDF document text
- http://damutech.kz/upload/2021/09files/210926165853475062x6fcg.pdfIn PDF document text
- http://savvyais.com/userfiles/file/38387701943.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1614d3bb55c92a---49378878150.pdfIn PDF document text
- https://jdsliquorlocker.com/nbloom/fckuploads/file/80653449905.pdfIn PDF document text
- http://kaies.cn/upfiles/file/67824973185.pdfIn PDF document text
- https://rosycaffe.com/file/zixonujedenudobulogisaj.pdfIn PDF document text
- https://sskundal.com/userfiles/file/fevumazibo.pdfIn PDF document text
- http://matsonconstruction.net/userfiles/file/12945009972.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=mod+apk+zombie+frontier+sniperPDF 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_off0000b299.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB299 | 15724 bytes |
SHA-256: d98219292163e0127cff1db92604526e37b31f6b94b789b1972be254e1ff6146 |
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font_01_sfnt_off0000da0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA0D | 10900 bytes |
SHA-256: 4c6b6ea3af1c4218b48696a9daf4b557d9dbd361982483c7e9945e6f9326f60b |
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font_02_sfnt_off0000f30d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF30D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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