MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The ML classifier strongly indicates maliciousness, and the presence of external URIs and link farms points towards a phishing or malware distribution scheme. No scripts were extracted from this sample, limiting the analysis of specific execution chains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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 https://huntic.ru/uplcv?utm_term=sanitary+napkin+manufacturing+project+cost+pdf PDF link annotation
- http://fitviewer.biz/files/file/nesafododeresunisanovi.pdfIn PDF document text
- https://vivaldiroberto.com/img/files/mediafiles/file/50702479598.pdfIn PDF document text
- https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/o5pa3ars3up8mj629qfm5fkpg6/58697913617.pdfIn PDF document text
- https://riondene.ch/img/uploads/file/fubaledigegetuperezu.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b289b4d4ac9---32453323042.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/3a94a27225bcb956296a09819d36ab8a/panuvulobafem.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0c20ee335---robemovosegimeditunufod.pdfIn PDF document text
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/2fd2a03327b56c4bb11342eec983e81a/64559889254.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/f02ed6978b90c2852e1ad8e62973100c/46484894209.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a5e877955---sirezexabajaruxisawem.pdfIn PDF document text
- https://xn--80aanugxqi.xn--p1ai/admin/ckfinder/userfiles/files/xevel.pdfIn PDF document text
- http://deurenhanger.nl/userfiles/file/niwinimazuvemo.pdfIn PDF document text
- http://msamerica.net/clients/873634/File/movudimafafiponumofan.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a64f02562d3---zopidezexexafalogizivu.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/a4341a08430f9be2ee81640cf34de176/21172091910.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16089ad2098486---32839769237.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/574a91e75018165fb25294ec3c1f6ebc/rupogorokosi.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e64fd88be9---20868552642.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn 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_off0000e3a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A8 | 5788 bytes |
SHA-256: 7485e03e3a40b7e17390cb47da7eb93234cfa7b4714a7f05c996f8765deeda44 |
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font_01_sfnt_off0000f761.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF761 | 10348 bytes |
SHA-256: b0d382956c9d4d75440ae8dc46b63cd24669940c247ac9f25af08698dbd4d8ed |
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font_02_sfnt_off00011ad8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AD8 | 16164 bytes |
SHA-256: e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6 |
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