MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised or disposable hosting. The heuristics indicate a link farm designed to direct users to external sites, likely for phishing or malware distribution. The ML classifier strongly suggests malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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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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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://smidgel.ru/uplcv?utm_term=android+kunjappan+watch+online+free PDF link annotation
- http://kingsauto-bar.com/js/upload/files/gilatikevowi.pdfIn PDF document text
- https://najlepsze-w-polsce.pl/uploads/lejanibegove.pdfIn PDF document text
- https://aglogistics-bo.net/userfiles/file/96812668803.pdfIn PDF document text
- http://web-news.eu/www/pkpar/userfiles/file/43284869746.pdfIn PDF document text
- https://gabinetpro.pl/kosmetyczka/krakow/files/bobilitipuwet.pdfIn PDF document text
- http://compsult.net/userfiles/file/68508705286.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/3quluvoitrb1d19fjttd9b9g14/bakebubiketizudibuk.pdfIn PDF document text
- http://hooleihomes.com/cms_images/file/68731842143.pdfIn PDF document text
- http://temple.mo/userfiles/file/lomojejegulekas.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/japofawazetupo.pdfIn PDF document text
- http://xn--76-6kca8aqc6c.xn--p1ai/pic/userfile/71439126761.pdfIn PDF document text
- http://support-cmu.com/filedata/file/38740432087.pdfIn PDF document text
- http://cdwy028.com/uploadfile/file/20210909132734.pdfIn PDF document text
- http://bonezi.morefriendship.com/upload/files/53200135016.pdfIn PDF document text
- https://abyway.lv/images/ck_images/files/wazikumojukudem.pdfIn PDF document text
- http://collegium-connect.nl/ckupload/files/14853108504.pdfIn PDF document text
- https://lentes123.com/aym_image/files/9774151531.pdfIn PDF document text
- http://cycling-software.com/files/file/sopusovuxudi.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1613b31b2a5893---6635844246.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614090d542f57---voxilagofogexuli.pdfIn PDF document text
- https://newfrio.com/userfiles/files/wulexidijabixo.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/31m070l01hdb8jog71lha18sfj/fonopejuzerufetirokakivit.pdfIn PDF document text
- http://www.kevimotor-rock.hu/files/files/83393264637.pdfIn PDF document text
- https://ce-mi.pl/uploads/userfiles/files/35585212521.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa2dfd10dc---3479647139.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_off0000d9c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9C0 | 10940 bytes |
SHA-256: 2e2cd1b8616e0e9a4fcd23c0e489aa3cf3fd304f50b624bb2951da9af0dfe5b3 |
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font_01_sfnt_off0000f30f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF30F | 17688 bytes |
SHA-256: 8e336d04dfb08f2def5e59c4830092e0913bfc39bb5dd8b1b68e9ad4327ea521 |
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font_02_sfnt_off000120f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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