MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites. These links likely serve as lures to download further malicious content or redirect users to phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 https://medvor.ru/uplcv?utm_term=initial+r+speech+therapy
- https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/aa58c906d4ad01aa49efd2e584fad087/57212150295.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/2d0965f429cfd672e2f43d2bf85ce5ae/18648876167.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4f2ef24fc9---gopovaberavuridajigit.pdf
- https://edmaker.site/wp-content/plugins/super-forms/uploads/php/files/2d5fb3fba06bb5d2b080e72d026e7c99/kasoso.pdf
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b681f9d4abb---nagijegilet.pdf
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aab06216785---lozizesijekudesosibu.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086174385f4f---lufopilawu.pdf
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/g5h8dqh86f5uicgi6gs7tipbdu/94799326149.pdf
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160844687675ce---72304372175.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab384f2a6da---69163832126.pdf
- https://study4student.com/cache/fck_files/file/koralutudumipewa.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a3488be300e---55012859050.pdf
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb9b20f47f---ruworudutukudufiposudit.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/48edf15ad2e69d82c4dd1061ceee3601/39766651604.pdf
- https://bakotech.at/uploads/ckeditor/files/21814672736.pdf
- http://rc-modeller.se/images/file///kibivalatot.pdf
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/5po0oduqic9d66ep4mtas7e0e3/74012101830.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/4qfngjus04m4qbbb19m62pnq17/mosafakabilufesikobumu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efaa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFAA | 16792 bytes |
font_01_sfnt_off000107bc.bine96210ec3ead479aa1f1a987b1ff8b89bd71563638509bba13e4b0424d105038 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107BC | 17964 bytes |
font_02_sfnt_off000136ff.binb4e1504908dfbd6dcd6444ad898e1f0e319554c463ef2f6dc033e3014d054317 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136FF | 10416 bytes |
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