MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which point to compromised WordPress sites hosting PDF files. This suggests a phishing or malware distribution campaign, likely initiated via spearphishing attachment. No scripts were extracted, but the structure indicates a link farm designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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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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://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/h1imlnk967uaj6ncfcf81t49fo/degotikiwelib.pdf In PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fe7fe26e1---fuwezamezisupizexowu.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a087046c6fe---demuvojigexolelives.pdfIn PDF document text
- http://studiodabo.eu/userfiles/files/70289124050.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/4sei7ho3o7nceppp83ss0g3gcu/38506395422.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/0923597ab505f975ae6bd3963b8054ba/xedow.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/mqfk831srbv4p6aib32ljhbhr2/20293901801.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/gccgvjfkphccr672q7pvrfofvq/41206994631.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210516221004_1514298995.pdfIn PDF document text
- http://clair-environnement.eu/catalogue_dynamique/file/sajujupam.pdfIn PDF document text
- http://zimaletto.com/uploads/file/milanolexumuwoduxe.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160918c4ed8ee5---motojagede.pdfIn PDF document text
- https://rumahbaruku.com/contents//files/zunadulasideselikenuba.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/7ed319c93f0d62d9eb4c30692b431213/62351236474.pdfIn PDF document text
- http://htwy.com/upload/file/jajiwuruxawemuliri.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/ph52lv0ag27shtd2m2osra9c92/94916786381.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2abc043000---gizibutemisudesinelokamu.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070fe6cdfe95---suguboluzuf.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16090057c148af---vipab.pdfIn PDF document text
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/kt7p2q4kdpl7tv46tq1v31a0oe/6830578778.pdfIn PDF document text
- https://twfern.org/upload/ckfinder_temp/files/20210604111127.pdfIn PDF document text
- https://menu2uplus.com/images/file/36956728844.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/307a3bc540e1eed9708dad2774b71a04/22075904998.pdfIn PDF document text
- http://mmckno2010.zkosuchdol.info/files/32583157993.pdfIn PDF document text
- http://emilygrilltogo.com/uploads/files/62860408217.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed33161bcb4---54314001594.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=plane+intersection+postulatePDF 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_off0000d390.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD390 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eba7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBA7 | 10468 bytes |
SHA-256: 6f9c63a2174ee5394baf265f264c96b4ead3ba489b9a4b904f0434c06e3e1c70 |
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font_02_sfnt_off0001038b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1038B | 16240 bytes |
SHA-256: 917f6afd4adb3b8bd2a6e1ce4c4f7fa6fa2407d563908bf0d3921bfbdff90b24 |
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