MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The presence of numerous URLs, including those with 'utm_term' parameters, suggests an attempt to distribute phishing content or malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://huntic.ru/uplcv?utm_term=cabala+para+estudantes+pdf PDF link annotation
- http://xn--b1adrijbbb.xn--p1ai/upload_picture/tekidapurizipesifawupuguw.pdfIn PDF document text
- https://pindimana.in/uploads/file/zabafefomomivagesasor.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16070ee6e6626a---79942762663.pdfIn PDF document text
- https://bakwanudang.com/contents//files/32871968367.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160771a861ff73---69797556985.pdfIn PDF document text
- http://tuhocxuatnhapkhau.com/uploads/ckfinder/files/nukixizadadi.pdfIn PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/5e83e7f3856f6cd12e20847a7bdd971c/garewumasabunutazedo.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/85755616135.pdfIn PDF document text
- http://movitecnic.com/ressource/site-image/files/32244512522.pdfIn PDF document text
- http://paykaaluminiya.ru/ckfinder/userfiles/files/luvoj.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/b2e4aee55de1b1b44887269111663858/47654245571.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/8it9oo835f48v4ueqfflskv170/fazomuxisin.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/vudaxopigumapirademiz.pdfIn PDF document text
- http://loca-granderoue-montaletang.com/ckfinder/userfiles/files/5643935776.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607160b4694e9---woxukamipebesize.pdfIn PDF document text
- http://enjoyisagenix.com/ckfinder/userfiles/files/dazemolumawa.pdfIn PDF document text
- http://koala-al.com/d/files/54263025162.pdfIn PDF document text
- https://calmoinc.com/upload/editor/file/gatoxub.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/sasdub1lold5lc2f8afc73jk5m/73869471889.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/50fb98db753b66a17f83ebe917d7f563/88501942555.pdfIn PDF document text
- http://elite-nails.pl/Upload/file/18233783209.pdfIn PDF document text
- http://hasdeu.md/data/userfiles/files/jofekisoxovi.pdfIn PDF document text
- https://parfumzone.ro/files/file/30927877215.pdfIn PDF document text
- http://mywayrtk.info/userfiles/file/venamilefozusemewefasagol.pdfIn PDF document text
- https://ifbscalidad.eus/files/galeria/files/nisatotufufizuwunasaw.pdfIn PDF document text
- http://www.dean-cpa.com/files/adminpic/file/xazubejobake.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_off0000dca6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCA6 | 10548 bytes |
SHA-256: cfa3e1eeaa8392c6ee23a604c0152b125b5272284e183a76be2c43dcc46d40ea |
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font_01_sfnt_off0000f4a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010cba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CBA | 20208 bytes |
SHA-256: 11fe186550d049a2b09b5dfec80fa0903b0289a49a4e8ac2f8825fe7e09bdba1 |
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