MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or are part of a link farm designed to obscure the true destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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 http://reafamily.lt/ckfinder/userfiles/files/28255610102.pdf In PDF document text
- https://fototipia.hu/files/files/rebagubod.pdfIn PDF document text
- http://cobmedia.hu/include/vojomuf.pdfIn PDF document text
- https://investir-petroleo.pt/ckfinder/userfiles/files/98114752689.pdfIn PDF document text
- http://esenkardeslerinsaat.com/resimlerfiles/57528990945.pdfIn PDF document text
- http://market-oborudovanie.ru/upload/file/sesuraxete.pdfIn PDF document text
- https://ymvii.com/admin/upload/files/walixosikuwi.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/ju9l68j3a3db8gnbokuu6r1lgb/16499063494.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/872f50655252c7395d6b44b9a65debf5/tifobamobiga.pdfIn PDF document text
- http://js-space.de/userfiles/file/46987952140.pdfIn PDF document text
- https://www.autopsrus.com/ckfinder/userfiles/files/30144518136.pdfIn PDF document text
- https://www.potravinyav21.cz/ckfinder/userfiles/files/bifimulakuboguba.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4d67a7892---fiketotamuguwusakos.pdfIn PDF document text
- http://thietbimaugiao.vn/Images_upload/files/povoronakofudaxitorena.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16132cf7241ff4---4243948560.pdfIn PDF document text
- https://arerp.kr/data/file///gifopomaganowegi.pdfIn PDF document text
- http://miyozenemeryville.com/uploads/files/rezisanenubo.pdfIn PDF document text
- https://peoplehelppeople.net/uploads/File/nunodekopatepodebe.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/fl8ep6herfd62bl8egqc13rpvc/pipililidefomevixol.pdfIn PDF document text
- http://rujiahk.com/uploadfiles/file/tuxuridutesu.pdfIn PDF document text
- http://magyaringatlanadatbazis.hu/dev/_user/file/gurasekonizamonuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=solving+rational+equations+worksheets+with+answersPDF link annotation
- http://cluster006.ovh.net/~greeters/namur/ckfinder/userfiles/files/89071307110.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_off0000b579.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB579 | 10952 bytes |
SHA-256: a580409b1358b2f7eb05e778abdf6cde6280c10d658ba704aa14f8431b65e34f |
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font_01_sfnt_off0000ce8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE8E | 16440 bytes |
SHA-256: f6723a5a251f039c5ef282df1f79f6ce79ad68e2016797f56b154372c6e9a899 |
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font_02_sfnt_off0000f885.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF885 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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