MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many external URIs pointing to potentially compromised WordPress sites and disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis suggest a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/ada21713e0328019a663bf73e5c025aa/pasuvakadakunidav.pdf In PDF document text
- https://reparationmobile.net/userfiles/file/pokojoxawawajijoj.pdfIn PDF document text
- http://strandedtattoo.net/file/48580159601.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/c6ef344e827ba5b8348d6674861bb1c2/30411064691.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/59ajv3vnp47ob2ile0hp3j5pu5/84455001736.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/370be3a9c5e35a3b8dff3fd185a89c7e/zarelemesa.pdfIn PDF document text
- https://atcotourismtravel.com/userfiles/file/desewutawokobukikujav.pdfIn PDF document text
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/ed74d83e809030fdae07c92ba2b75644/7976468465.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16082c42bafbf1---78093625826.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160922044b56d1---luxezap.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/17680074968.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/1eb1568021535a62401e3a1b3ca44346/vusiwomupenalogubumedul.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/27eb04011d6c9c01af00dee683241cd1/wexanotukajenibuwajogisen.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ce260801b---81247417084.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b58c705295e---puganan.pdfIn PDF document text
- http://faxik.ru/ckfinder/userfiles/files/tukariloduku.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160823b9d6b5cc---3956271680.pdfIn PDF document text
- https://weeb.nu/userfiles/file/11416730071.pdfIn PDF document text
- http://mesterek.net/tmp/wufoxulebiguxubuzodatowa.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/db0f3b3b496db05e663b8b65e9f59570/wemapek.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c928848a8e---jozanilopewumiviboka.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160a12cc7d95d2---32622654292.pdfIn PDF document text
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac65cc808d7---26803733098.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/163921095560a024571fd01.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+recover+gallery+photos+after+factory+resetPDF 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_off0000ec89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC89 | 10820 bytes |
SHA-256: cd5ec555808a6f9cf80badde55edb188c274362c9e24973488b7ecb1dc66203d |
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font_01_sfnt_off000105be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011dd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DD0 | 16860 bytes |
SHA-256: 020df7a9337bddba322155c20f1a0abf5f4f726b0449a1f46658420b8c244a6f |
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