MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including critical alerts for linking to malicious redirector infrastructure and a medium alert for being a link farm on disposable hosting. The ML classifier also assigned a high probability of maliciousness. While no scripts were extracted, the embedded URLs and the nature of the heuristics strongly suggest a phishing or redirection attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/award?keyword=bravos+tulsa+menu+pdf In PDF document text
- https://cdn.sqhk.co/zaviresodew/jchfwjc/stickman_runner_online.pdfIn PDF document text
- http://junumidutuzakox.getenjoyment.net/zujakigevitono.pdfIn PDF document text
- http://openplafond.xyz/books_like_jane_austen_persuasionwo2ar.pdfIn PDF document text
- https://cdn.sqhk.co/xemugugafot/egdiaTH/bach_eternal_canon.pdfIn PDF document text
- https://cdn.sqhk.co/zusisoko/ZaidDjg/54612124915.pdfIn PDF document text
- https://cdn.sqhk.co/dijobika/iFXjW2u/abb_cad_library.pdfIn PDF document text
- http://teksalle.xyz/56846592280141re.pdfIn PDF document text
- http://ketadiets.site/jogesuwnscm.pdfIn PDF document text
- http://50offshop.info/animated_tab_bar_android_githubenuui.pdfIn PDF document text
- http://presente-top.store/65089679180mcpek.pdfIn PDF document text
- http://elinekici.online/does_abraham_lincoln_high_school_have_uniformmu0xh.pdfIn PDF document text
- http://beautysale.site/acurite_rain_gauge_quit_workinggpnub.pdfIn PDF document text
- http://lirebuwoke.mygamesonline.org/66605477193.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sojufuka.atwebpages.com/what_made_them_write_the_declaration_of_independence.pdfIn PDF document text
- https://625f08e2-3d8e-45b5-8e8c-b95d001c5c7c.filesusr.com/ugd/d94ae5_aadff3f3201e45f584ac9c0e7b626e7f.pdf?index=trueIn PDF document text
- https://73099f28-10d5-4558-98a1-2f8dc61f1a2f.filesusr.com/ugd/f62eaa_e72fb6f0204b42fbb1d17faaed16e969.pdf?index=trueIn PDF document text
- https://ed4d48c2-14ea-47f5-a89a-b82193587323.filesusr.com/ugd/8ce377_058a845c6b914bc09a70d28a81177b87.pdf?index=trueIn PDF document text
- https://18cb0a1d-3822-48a5-9ca0-56465202bc9b.filesusr.com/ugd/96564c_70acfd8403d5458db50345b40f38ea4b.pdf?index=trueIn PDF document text
- https://43fe4710-460a-4ad3-90dc-2dd795c51528.filesusr.com/ugd/a32c20_bf8034bf12284b81a08d2704510635d0.pdf?index=trueIn PDF document text
- https://fad58b31-c538-4d3f-828d-7998eec853b9.filesusr.com/ugd/7e6083_f4eda6d9518b4029a5d34ed1ad9bfc0d.pdf?index=trueIn PDF document text
- http://nudagimanefej.atwebpages.com/wolaxibavesugokoguragana.pdfIn PDF document text
- https://2c549fd3-bbcc-4e43-aea5-84609313cfd4.filesusr.com/ugd/c162b3_1475b65572fd47ecaa89fae6cc8a05fd.pdf?index=trueIn PDF document text
- https://184d393c-d2ff-49e5-bbcb-48626b1dbf88.filesusr.com/ugd/49be48_607862f270da4dd08068f90cceb6af12.pdf?index=trueIn 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_off0000ce14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE14 | 5296 bytes |
SHA-256: 8051e189823d9e9d5104b94b0327fd511b44e0c666842e38157ee81bd3acedda |
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font_01_sfnt_off0000e006.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE006 | 10756 bytes |
SHA-256: e7a41a0df91ee30d9f50b13d7f602235194f9e85e87da9e7f8f4588108573ac1 |
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