MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and ClamAV as malicious, specifically indicating a phishing or trojan threat. It contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://irlanc.ru/uplcv?utm_term=suck+my+nipples+till+i+cum PDF link annotation
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/b9hnujau8jufoc079vek7pcqm3/xojanufedele.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9040afb17---lanulekubetipututib.pdfIn PDF document text
- https://auto-rujo.com/images-editor/file/19229718402.pdfIn PDF document text
- http://grupopiscis.com/upload/files/nosafi.pdfIn PDF document text
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/bd39f9af0ec10fc3d662c17cde4a29e0/desotifugi.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/7bab0309e6bcf4040473c754dc2dd0fe/jabiparabaladiw.pdfIn PDF document text
- http://feach.ie/images/uploads/file/fotuvan.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/29f90455874856a3f67374a8d7bb841f/zuzemo.pdfIn PDF document text
- http://bagumul.com/file_upload/spaw_upload/file/20210510052313.pdfIn PDF document text
- http://agendaalzheimer.org/files/galeria/files/92900495878.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0de4a9683---4848151850.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd5e7e5812---67372681012.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/3hqjdkpsc70njsgu8g8nac9nig/47127496538.pdfIn PDF document text
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607d31ff9365e---7295693035.pdfIn PDF document text
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/torosujupenipudomojav.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000114e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114E8 | 5040 bytes |
SHA-256: 4f7b715e69faa2daf09892eb2fb1463b263844c5a941b7b48cf5ec75cd92a56f |
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font_01_sfnt_off00012615.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12615 | 10992 bytes |
SHA-256: e1c0c9fe08a74e48fc3d347d835d9a71806263dc1852b0e18c7a9e588de61f17 |
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