MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, embedding numerous external URLs, with one prominent URL being https://nipisod.ru/123?utm_term=don%2527+t+starve+shipwrecked+food+guide. The document body, though heavily obfuscated, suggests a lure related to a 'food guide', likely to trick users into clicking these links. No scripts were extracted, but the PDF structure itself facilitates the distribution of malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://nipisod.ru/123?utm_term=don%2527+t+starve+shipwrecked+food+guide PDF link annotation
- https://cdn-cms.f-static.net/uploads/4426955/normal_601f22c5889f0.pdfIn PDF document text
- http://zebozewazogaso.scienceontheweb.net/xukobevigotokedi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496607/normal_605955132e565.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413977/normal_605b1b6e05932.pdfIn PDF document text
- http://zitupow.medianewsonline.com/business_information_system_free_download.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380079/normal_5ff4f646df5e8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501201/normal_5fc61236af646.pdfIn PDF document text
- http://xugaguf.mypressonline.com/wimazorafibal.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447436/normal_6001f57525d18.pdfIn PDF document text
- http://leduxebawini.22web.org/livery_templates_bus_simulator_indonesia_terbaru.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393348/normal_6028e88f6ac13.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446789/normal_604fecc69b374.pdfIn PDF document text
- http://dogoderusokita.iblogger.org/gazanupaxu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d7e981a8-8c4a-445e-aef0-60d3d4911bd2.filesusr.com/ugd/65d69c_6a3db75634ad42bc8d71eb7bc4d32b1e.pdf?index=trueIn PDF document text
- https://968bac2e-1409-45a7-bd11-2c37eba47390.filesusr.com/ugd/c81504_0e92ae735bd8410e828e8c9e74037ebf.pdf?index=trueIn PDF document text
- http://ruzunol.rf.gd/8365498603.pdfIn PDF document text
- https://92fa68c6-d088-48c5-94d9-776fe0504fc0.filesusr.com/ugd/5a053b_6711cd2031f5438f9771a59747d714ea.pdf?index=trueIn PDF document text
- http://pulupalu.epizy.com/72568260630.pdfIn PDF document text
- https://50bf384a-eeac-4f26-a262-e2ba1a5e00ba.filesusr.com/ugd/17159d_5cd715de7bc24d548db3e5ffea431685.pdf?index=trueIn PDF document text
- http://tefuwileb.rf.gd/dafabokubenivu.pdfIn PDF document text
- http://towupew.epizy.com/vampire_diaries_season_1_episode_10_watch_online_free.pdfIn PDF document text
- http://lejugolidisixod.rf.gd/quran_surah_yasin_download.pdfIn PDF document text
- http://fijopad.rf.gd/bissell_pet_pro_revolution_not_spraying_water.pdfIn PDF document text
- https://64b67c6e-fbbd-4787-add8-9ed3e274c95c.filesusr.com/ugd/eb6612_2e97690f7a0942b4a335361f9a80f0d3.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_off0000ffdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFDF | 5632 bytes |
SHA-256: d94fb1e030464db1cf769f50f66e41f8035c62c3ece59933f56bc299a123c2e5 |
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font_01_sfnt_off0001132b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1132B | 10560 bytes |
SHA-256: 192f527e65c453b66ea14aa4695243ffa5d7ce0da1c6d5f616a13bbcc97130b5 |
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