MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The presence of external URIs and link farms points towards an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9940
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://philabc.ru/uplcv?utm_term=i+want+to+use PDF link annotation
- http://www.valathors.com/ckfinder/userfiles/files/23745026309.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/6lgk0dumgn1k0hb54h6fn6i220/tavuzuxa.pdfIn PDF document text
- http://td-mg.ru/uploads/files/zupumipomawar.pdfIn PDF document text
- http://hueide.com/upload/files/12955128386.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/fubobikivumakaw.pdfIn PDF document text
- http://penzion.sarmo.cz/Images/file/zomobufabatoginuvu.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1614cba27264ad---xisobijoxaloputelino.pdfIn PDF document text
- https://swiz.eu/files/editor/davaruxe.pdfIn PDF document text
- http://lamgi.pl/ckfinder/userfiles/files/58672368245.pdfIn PDF document text
- https://alemarferries.alemarsnp.gr/ckfinder/userfiles/files/66112025973.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153c85e52464---59093425292.pdfIn PDF document text
- http://saydersan.com/firma/files/60492224352.pdfIn PDF document text
- http://tongchangkj.com/uploadfile/file///2021091008123910.pdfIn PDF document text
- http://maynenkhiinverter.com/media/ftp/file/webejavuwolez.pdfIn PDF document text
- http://marmaraisg.com/images_upload/files/68472571919.pdfIn PDF document text
- http://sergeisurzhin.ru/ckfinder/userfiles/files/felagodukakenux.pdfIn PDF document text
- http://gs-metals.com/filespath/files/20210903141218.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/08f21f0dd5b6dbfde87c2821aeb90ff5/wuzivavapelixiguve.pdfIn PDF document text
- http://tipsclubcr.com/campannas/file/jivufogozekujivijaxelov.pdfIn PDF document text
- https://bomberosdenavarra.com/userfiles_nexo/files/nakupuniko.pdfIn PDF document text
- https://togeltop.com/contents/files/81866834899.pdfIn PDF document text
- http://caratow.nl/userfiles/file/puzebawezudefex.pdfIn PDF document text
- http://taihegas.com/filespath/files/20210904153127.pdfIn PDF document text
- http://ls12368.com/userfiles/file/giruxanulasamazitutaranar.pdfIn PDF document text
- http://z-sinpro.com/upload/files/50733653579.pdfIn PDF document text
- https://semsaesp.com/ckfinder/userfiles/files/tewukapugesofumudipus.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_off0000bb96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB96 | 17728 bytes |
SHA-256: df64ab2f78574e9cd522bf96c587e3795be118cf8837d164af0d144aee23d0a7 |
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font_01_sfnt_off0000e918.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE918 | 10000 bytes |
SHA-256: a520592fa7863cbb89489e0546b8857bcc1f49f8835992a73edd3cb7cac829cc |
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font_02_sfnt_off0000ff88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF88 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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