MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The presence of numerous external URIs, many hosted on potentially disposable domains, strongly suggests a phishing or malware distribution campaign. Although no scripts were explicitly extracted, the PDF structure and URI patterns are consistent with techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 5
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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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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 https://crysiq.ru/uplcv?utm_term=numeric+keyboard+apk PDF link annotation
- https://soswzgierz.pl/web/uploads/files/11577365187.pdfIn PDF document text
- https://fontaine-eva.fr/userfiles/files/dorosufowid.pdfIn PDF document text
- http://jinruily.com/UploadFile/file/20210914010905463.pdfIn PDF document text
- http://studioriggio.it/userfiles/files/319261281.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/nuzavogozogu.pdfIn PDF document text
- http://vin-baietii.ro/ckfinder/userfiles/files/85922989679.pdfIn PDF document text
- http://caffepontoni.com/uploads/file/fafuwekenelupewi.pdfIn PDF document text
- https://sudhirsachdevaclasses.com/ci/userfiles/files/93615407690.pdfIn PDF document text
- http://kimwendelldesign.com/ckfinder/userfiles/files/jexasubabalajenekejal.pdfIn PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/lofunitobinetutezeketuro.pdfIn PDF document text
- http://asude.istanbul/ck_images/files/bupunemepuruworijosonu.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/32c15a225b19996916e07e9d6b3a56ed/kaguzubesuzumuxav.pdfIn PDF document text
- https://shopinhome.com/ci/userfiles/files/vozibujipepovevebefatogi.pdfIn PDF document text
- http://yangs-ns.com/ckfinder/userfiles/files/20210917070644.pdfIn PDF document text
- http://vladjurnalist.ru/archive/file/61635542579.pdfIn PDF document text
- http://trendstyleimage.com/uploads/ckfinder/userfiles/files/vomesugevogefemikozomel.pdfIn PDF document text
- http://ateliergermain.club/sites/default/files/file/xumoreluk.pdfIn PDF document text
- http://maximaviajes.com/FCKfiles/file/goturuturefazexa.pdfIn PDF document text
- https://vvpta-irvine.org/userfiles/file/6421115275.pdfIn PDF document text
- http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/44583068077.pdfIn PDF document text
- http://bettynblue.com/upload/fck_img/20210908/file/zufiweperexavelu.pdfIn PDF document text
- http://huynhgiabaohotel.com/uploads/FCK/file/3028323494.pdfIn PDF document text
- 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_off0000c97c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC97C | 10684 bytes |
SHA-256: 13923b94ea4dc5877d68dcf64f4279d9ac8d8bd7e27873556da2ad9058ffa4b5 |
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font_01_sfnt_off0000e1c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f9d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D6 | 17992 bytes |
SHA-256: c6bc41d31ca4bee26964b5754ff0d120b319660af9ec024b1e3d96de21296144 |
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