MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or delivering malicious content. The PDF also acts as a link farm, directing users to numerous external URLs, many of which host further PDF files. This behavior, combined with ClamAV detection as 'Pdf.Phishing.Trojan', strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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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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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://forumsevens.com/images/file/37665797169.pdf In PDF document text
- http://coniperfumes.cl/js/ckfinder/userfiles/files/mitadebap.pdfIn PDF document text
- https://smshealthcareservices.com/ckfinder/userfiles/files/24666236335.pdfIn PDF document text
- http://coinproject.com/userfiles/image/file/muvamudojapupeguke.pdfIn PDF document text
- https://sklepbonus.pl/userfiles/file/gujosigotopakelinakilul.pdfIn PDF document text
- http://paradisoseminatrici.it/userfiles/files/jutafakigavatenojisula.pdfIn PDF document text
- https://asztromiskolc.hu/ckfinder/userfiles/files/xokasugononebo.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/3a938011cfd7c0567cada840a44ec9d5/35825857878.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdc016cda7---wowalifatijexitokotuti.pdfIn PDF document text
- http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/legowalotin.pdfIn PDF document text
- http://gardensyellowcab.com/admin/images/file/7276985691.pdfIn PDF document text
- https://korzo-galeria.hu/files/file/33922580498.pdfIn PDF document text
- http://belgium-ex.com/images/blog/file/97854826257.pdfIn PDF document text
- https://kotata-zlin.cz/obr/clanky/file/terof.pdfIn PDF document text
- http://aircond.md/upload_fck/file/lozono.pdfIn PDF document text
- https://penal-garazh.ru/files/kaxozamuxogemetonerilok.pdfIn PDF document text
- https://umutfm.com/resimler/files/22814639599.pdfIn PDF document text
- http://projecthouse.bg/uploads/CKfinder/files/rukogozufinurugupikufa.pdfIn PDF document text
- http://poiskvod.ru/images/file/pipugup.pdfIn PDF document text
- http://roomyab.ir/basefile/roomyabir/files/zobusazupezikutosokomegu.pdfIn PDF document text
- http://daydreamspin.com/userfiles/file/3745601221.pdfIn PDF document text
- http://ucinnovation.ru/admin/ckfinder/userfiles/files/97708445367.pdfIn PDF document text
- http://koutingchina.com/upload/files/28547701147.pdfIn PDF document text
- http://15449010.com/FileData/ckfinder/files/20210919_231CDD3AC89D990C.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=civil+war+cheat+hoi4PDF 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_off00010eef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012706.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12706 | 10316 bytes |
SHA-256: ccce42b44d562fcc484660f058ab4f759787fffc16763d87c70d98fc456b5a1b |
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font_02_sfnt_off00013e88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E88 | 20840 bytes |
SHA-256: fecd11db8940f37753cfa7fdee9587ee36f048db1a6072d9cfdcd06f3fc6fc76 |
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