MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a distribution or phishing campaign. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic and the high ML score indicate malicious intent. While no scripts were explicitly extracted, the nature of the embedded URLs and the 'SE_INVOICE_LURE' heuristic suggest the document is designed to trick users into downloading further malicious content, likely via a spearphishing attachment vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9896
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://pwmtqatar.net/userfiles/file/31853090024.pdf In PDF document text
- http://floridadressyourhome.com/uploaded_files/userfiles/files/desadudopuwe.pdfIn PDF document text
- https://elemental-ia.com/userfiles/file/nefugebidogaze.pdfIn PDF document text
- https://kudamatsu.org/userfiles/file/47572734660.pdfIn PDF document text
- http://hsaltsj.com/uploads/files/rogakak.pdfIn PDF document text
- https://gres-k.cat/userfiles/file/mejepinunosodos.pdfIn PDF document text
- https://faresaldabbous.com/uploads/file/ruxisabumiwamexowi.pdfIn PDF document text
- http://fulns.com/uploadfile/fckedit/file/1633775096U5SF.pdfIn PDF document text
- https://kingwaterpure.com/ckfinder/userfiles/files/71737640635.pdfIn PDF document text
- http://yalcinsezer.com/upload/ckfinder/files/93419475140.pdfIn PDF document text
- https://vatlieutaphu.com/upload/files/18068933783.pdfIn PDF document text
- http://szm.hu/userfiles/file/50103817773.pdfIn PDF document text
- http://master-br.ru/img/file/93071940240.pdfIn PDF document text
- https://ebmmontflorit.progess.com/userfiles/file/64985580523.pdfIn PDF document text
- https://dukeofmarshall.com/ckfinder/userfiles/files/fazofilo.pdfIn PDF document text
- https://miminku1.com/contents/files/58611460850.pdfIn PDF document text
- https://bfull.ru/uploads/files/57783694597.pdfIn PDF document text
- http://baugeraeteverleih.de/benutzerdateien/wapupi.pdfIn PDF document text
- http://qdjshg.com/files/file/4892855870.pdfIn PDF document text
- http://profstil.az/userfiles/file/92910175091.pdfIn PDF document text
- http://kovovyroba-nosniky.cz/UserFiles/File/74608780841.pdfIn PDF document text
- https://pinpointfeedtech.com/ckfinder/userfiles/files/boxunidenov.pdfIn PDF document text
- http://www.smartusb.info/images/library/File/lasofukigubegire.pdfIn PDF document text
- https://chungangroup.com/uploads/files/202110201243054578.pdfIn PDF document text
- https://metagrhyd.com/infopub/pub/file/21081257098.pdfIn PDF document text
- http://happysmilecard.com/uploads/files/xalorunifulafimanuzamej.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/TxADE9PCSUw/uplcv?utm_term=accounting+level+1+workbook+answersPDF 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_off00013c38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C38 | 16540 bytes |
SHA-256: 45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef |
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font_01_sfnt_off0001535e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1535E | 10924 bytes |
SHA-256: b35787fcf88cee3d446583347de3ca9a33710af0cd9d5aee0bd28688f16e68d8 |
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font_02_sfnt_off00016cf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16CF7 | 18240 bytes |
SHA-256: b8d32be666cfa818a4e2477c41a67bbfdbff27f3c4a2d3c2a4cd1965b13a42d1 |
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