MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm or phishing lure. The presence of PDF-specific heuristics like 'PDF_URI' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this. While no scripts were explicitly extracted, the nature of PDF exploits often involves embedded JavaScript for redirection or exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://nomylo.ru/uplcv?utm_term=p+is+a+point+inside+an+equilateral+triangle PDF link annotation
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f827f2a98e---fudob.pdfIn PDF document text
- https://lawina-radom.pl/files/file/pawevisatafibafojovuwu.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/1n3vtpe19cubmrdqu3robcche3/21176449147.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/2f77c6a45e4a8e00326f4a2dc9207d19/gojivugufuwajeput.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ea004a26f2---zametezilil.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/zefazodopuwujunuxen.pdfIn PDF document text
- http://execdentalclinic.com/uploads/ckfinder/userfiles/files/kavofo.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/d32c00210d8574f0452a70f44696979f/69286634347.pdfIn PDF document text
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/824ab8a77490b0171b9f38d37575aa23/texabawufutibufululuruwef.pdfIn PDF document text
- http://kinel-hunter.ru/upfiles/file/niwoxo.pdfIn PDF document text
- http://thegroverestaurantnj.com/userfiles/files/tibixaduvizitanosi.pdfIn PDF document text
- http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zixubun.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ce97a66e431---61360410319.pdfIn PDF document text
- http://farashimirooz.com/files/liguku.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/nadumupagatosanarurufil.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cedd5eac35---lorijawixolugazozosag.pdfIn PDF document text
- https://aljazeerahpetroleum.ae/userfiles/files/galisut.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4de42f34a3---mezeg.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/496831587b67a8eaed1b9fe97df2a9a3/36032930035.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6e5f35122---39690327316.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160824b168428a---vugipedesejematuferuwo.pdfIn PDF document text
- https://itacademyindia.com/ckfinder/userfiles/files/85897731201.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b327990fd84---raletabevavu.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/34f07989a0fa3461829ce7783d21ca45/54965908237.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ffbe4b925c---4437991406.pdfIn PDF document text
- http://quickvideo.nl/userfiles/file/17567692655.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_off0000eced.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECED | 18768 bytes |
SHA-256: 71ee34d50f5ea9d766eb5c6fdc03c81ea7a5d306abd56a6ab3c6961a792ec48f |
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font_01_sfnt_off00011f31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F31 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013748.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13748 | 10812 bytes |
SHA-256: 13a0a581e11766f615f1c7980f6f4eaab47e20030a5a3fe1604fe11236018e32 |
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