MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'synerhu.ru', which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains text related to search terms, reinforcing the lure aspect.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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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://synerhu.ru/pbw?utm_term=red+blotchy+skin+early+pregnancy PDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/799b0578-8e53-48ec-856f-420bce473067/gre_test_prep_books_amazon.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/34086688-758a-48cd-87aa-874e9f02fde4/68259372205.pdfIn PDF document text
- http://xiwitanul.pbworks.com/w/file/fetch/144570081/how_to_write_a_recommendation_letter_for_immigration_marriage.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5242207b-2922-4a69-b87f-dcb3346a6ae3/57193625486.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/64ecb592-8381-4935-9c74-e3ea363c0447/mowufemazajir.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d7ea26b7-a4f3-4e7b-84a8-212a18bd42d9/26231699305.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/91ce3aed-d3a7-4963-acf0-721744230b02/rgle_du_jeu_uno.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f8090561-2bc1-4b55-92f9-e2eafbc782ef/funny_short_stories_for_middle_school.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0f259dbf-e7d6-4228-84bd-062047ca7569/16561241443.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d969d8f9-0b27-4c26-9c09-cbc04a0e5990/44254874047.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff545462-5bbb-490f-879b-e1fc696c868d/char_broil_2_burner_infrared_grill_parts.pdfIn PDF document text
- http://pazimonofe.pbworks.com/f/logan_lucky_movie_download_filmyzilla.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0dc5be54-3258-4019-a905-e2a0841144fa/how_to_reset_jbl_xtreme_2_speaker.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f884e03f-d05b-43a9-b530-337262bd05d2/zefofinudebumujuf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9afc28be-dcde-4a06-a7d0-af294bf4782b/probability_statistics_meaning_in_kannada.pdfIn PDF document text
- http://xefobukeza.pbworks.com/f/unit_1_test_geometry_basics_answer_key_gina_wilson.pdfIn PDF document text
- http://juvupumanut.pbworks.com/f/jufumaje.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73c42d19-2e9a-4b25-8b4a-afa6e85cfaec/tunulopemojonamopowupop.pdfIn PDF document text
- http://tazijebep.pbworks.com/w/file/fetch/144559074/tedenilu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/846b2732-3045-4cb1-889a-72e05799b807/9650949930.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/93db7094-2c4c-43d6-b360-8023d6aed30b/surviving_the_applewhites.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14a52245-0847-4ed2-a4b8-686304a9f3a0/beloleli.pdfIn PDF document text
- http://xawaren.pbworks.com/f/54726179263.pdfIn PDF document text
- http://ridelox.pbworks.com/f/last_day_on_earth_survival_cheats_pc.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_off0000f2de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2DE | 5648 bytes |
SHA-256: bc57f22c613cb0efc17059ebfaaa0d7668518c4d564782dbd90a0a9a0ad56ed4 |
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font_01_sfnt_off0001061d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1061D | 11392 bytes |
SHA-256: c5cda8db6d0fdaf52729ddf8bf4d773e16b028437f2c0ccaeb6e5a18041ebc0e |
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