MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. It also features numerous external URLs, many hosted on disposable domains, suggesting a link farm or phishing lure. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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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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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 https://allytemp.ru/uplcv?utm_term=the+phoenix+and+the+albatross+book+pdf+free PDF link annotation
- http://ackerviewguesthouse.com/userfiles/file/79050301105.pdfIn PDF document text
- https://nepalmicrofinancesummit.org/userfiles/files/29879370454.pdfIn PDF document text
- https://tebra.si/userfiles/file/62691938862.pdfIn PDF document text
- http://hydrogears.com/survey/userfiles/files/xamedenizabuta.pdfIn PDF document text
- https://www.hsbofmn.com/ckfinder/userfiles/files/90904170664.pdfIn PDF document text
- http://chineseclothingonline.net/File/woninewasafizelejanifofo.pdfIn PDF document text
- https://bhandarisurgical.com/ckfinder/userfiles/files/watimutejuzijuxemaneregu.pdfIn PDF document text
- http://www.barbazan-debat.fr/ckfinder/userfiles/files/35507669956.pdfIn PDF document text
- https://cuacuonbentre.com/upload/files/rixunali.pdfIn PDF document text
- https://xtremefitksa.com/ckfinder/userfiles/files/28667025115.pdfIn PDF document text
- http://megat.pl/uploaded/fck_files/file/80230864008.pdfIn PDF document text
- https://alquimia.in/admin/fckeditor/editorfile/13578778187.pdfIn PDF document text
- http://shopcode.ru/uploads/file/zenibuxite.pdfIn PDF document text
- https://serrechevalier-skifun.com/imagesfile/gepugemituragubozifalif.pdfIn PDF document text
- https://clifestyle.net/uploades/userfiles/file/tajoxetokewuwazep.pdfIn PDF document text
- https://ww150005.linebot.net/upfile/files/20210908035602.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613b838c7cb9f---fitudagofowaxemaseku.pdfIn PDF document text
- http://daltan.hu/userfiles/file/94096420222.pdfIn PDF document text
- http://icaalliance.org/filespath/files/20210903100225.pdfIn PDF document text
- http://mundori.com/js/ckfinder/userfiles/files/resibuvok.pdfIn PDF document text
- https://gazeta-msp.pl/user_files/File/71104093814.pdfIn PDF document text
- http://portaldo.eu/contenuti/upload/file/65674741134.pdfIn PDF document text
- http://vivaldiskibus.com/FileData/ckfinder/files/20210910_AC193DAAF61B5FEE.pdfIn PDF document text
- https://datajournonepal.org/files/tekaxifixato.pdfIn PDF document text
- https://rendszergazda-cegeknek.hu/ckfinder/userfiles/files/mifumupovosaxedujibo.pdfIn PDF document text
- http://multiflex.ru/userfiles/file/20864431385.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_off0000cb35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB35 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e34c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE34C | 10892 bytes |
SHA-256: e33269ac4221e6fea9815585c226a0a175286126b6db7648c9ebb33f1859e331 |
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font_02_sfnt_off0000fc35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC35 | 18232 bytes |
SHA-256: 6ae046308d027a4a430aa4ab0e998728eb6850e80c6183366c19a294a1bd75c3 |
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