MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of external URIs and the link farm structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://medvor.ru/uplcv?utm_term=dystrophic+calcification+examples PDF link annotation
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982f0e44c37---domokinugex.pdfIn PDF document text
- https://cengilli.com/icerik_images/file/fedufaxuxuwixaguxa.pdfIn PDF document text
- http://jedwines.com/cmsCart//upload/file/17865383483.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/4tp7m4nftavk3091if87qsl983/rusipafilidozugisadajativ.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/tnuj5j6hj398chgjmic8ovm385/nixugesokosev.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/7f49a9d0847d3aa467b45dd798aeff15/20367912707.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/4b591b7253c959a22f9ad996c63c6685/duxopufulovadaxelebem.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078db8905481---xogikonupexen.pdfIn PDF document text
- http://xahscw.com/userfiles/file/putaviwirifabefonafi.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2e4b83971---fajigasupipipad.pdfIn PDF document text
- https://airshow-bg.com/file/nawimodepozilepo.pdfIn PDF document text
- http://sahamit.net/userfiles/file/refezodiwitakemefuwaka.pdfIn PDF document text
- http://soflocops.com/clients/67403/File/kififiranomadovumigodavi.pdfIn PDF document text
- https://weeb.nu/userfiles/file/jobapobegiz.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607714f598a99---xusenip.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16074b786542e3---budofamusalikawuz.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/br8fnha5al6aj1fs4eje6eor5s/14867758194.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac24c8d60ce---tusiboko.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16079431c87a4b---32197333555.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/988e592e30600be4ff36d6ca7b035d33/vosogepujulewujomizatitus.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075693be8166---favopodinujojonubulel.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099e73bea400---dotuwojedejikofisutetupom.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/biwabekewefisofinofop.pdfIn PDF document text
- https://deniz-sogutma.org/img/userfiles/file/taletanezamu.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_off00010ba4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA4 | 17456 bytes |
SHA-256: 14db6b5b7105a93e68556c262bac68da36167243bc829a37782a41800e978158 |
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font_01_sfnt_off000138ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138EE | 10960 bytes |
SHA-256: 7c026a1f321406aee50eafe39894161ac8c24bd57c667e7a7dd7f247cd8a170e |
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font_02_sfnt_off0001523c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1523C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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