MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged as malicious by multiple heuristics, including a critical finding for linking to known malicious redirector infrastructure. The embedded URL `https://dafemum.ru/strik?utm_term=are+burger+king+impossible+burgers+good+for+you` is the primary indicator of malicious intent. While no scripts were explicitly extracted, the nature of the PDF and its links suggest it is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://dafemum.ru/strik?utm_term=are+burger+king+impossible+burgers+good+for+you In PDF document text
- https://cdn-cms.f-static.net/uploads/4485163/normal_6036ab7953dd5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501482/normal_5fe9600e6afbe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://9df6fdd8-df71-43fb-87ad-b121b2de7416.filesusr.com/ugd/e0d0cf_42ed4b19e2c8417996b08db85e8daeb1.pdf?index=trueIn PDF document text
- https://d5fb4b5d-766d-4e54-ab1c-ecc61d2b7d82.filesusr.com/ugd/b0c8dc_3ed4085ab2e34bd0af1b525b10b763a9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0a3e1d57-a895-4f5e-aae5-0459e4876207/how_to_get_my_subnet_mask.pdfIn PDF document text
- https://s3.amazonaws.com/welanisowari/sheet_music_afrikaans_songs.pdfIn PDF document text
- https://981168d4-05fc-44b6-871d-73371d7e8cf1.filesusr.com/ugd/87d215_9c70a89c199d4570bf24a19e1cc13ffb.pdf?index=trueIn PDF document text
- https://dd6f0c70-611b-430f-b219-ee0593fd0e1f.filesusr.com/ugd/d60051_a0a24da659b64ee5b14ca8707e123ab3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bidivo/jquery_ajax_submit_form_post.pdfIn PDF document text
- https://s3.amazonaws.com/bisegilupuf/angry_synonyms_word_whizzle_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef77108d-d99d-41c1-a636-7210b5033f53/65782036249.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9c59178b-7169-4797-aed2-062708a7c335/2000_polaris_trailblazer_250_carb_adjustment.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f8c7c288-f89a-4fbd-88c1-e95a9290efd6/zobusiruluvejurijuluvi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/071a0543-4fe3-46f3-b1c1-933a3bf7c943/free_excel_budget_spreadsheet_uk.pdfIn PDF document text
- https://a3cd4400-5fdc-4e6a-bda8-88556a2d4d1f.filesusr.com/ugd/2f7489_b2726980e406440b959444e087602c34.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4067f87c-4d80-4e35-b719-c32d36b5e1ac/frankenstein_mary_shelley_movie_cast.pdfIn PDF document text
- https://s3.amazonaws.com/tuletivotarupu/begejutovono.pdfIn PDF document text
- https://f72b89be-0fa6-41ee-8162-331329ef78ce.filesusr.com/ugd/95089d_7630865b5b1a4f69938d3ca6b6295377.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a93ab624-d5af-40cb-89e6-602414a0821b/dell_optiplex_960_ram_specifications.pdfIn PDF document text
- https://ca30e0e0-ecf2-44ab-b6a2-fe26291458be.filesusr.com/ugd/34e21e_cad575947fc946c8a96590731d840480.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bomupi/42716107444.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://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_off0000faa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAA9 | 5444 bytes |
SHA-256: 34eaba208b463ef298fff382b1a6dcbfb1b6180d994ef603fac8f2ffcdfbc294 |
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font_01_sfnt_off00010d28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D28 | 10956 bytes |
SHA-256: 19ceaa12f3082646ffa4e94dbb5fd0e0000b1064b672940e9f6f4b30e8c9c647 |
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