MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, many of which point to disposable hosting and are associated with link farms, indicating a phishing or scam attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. The primary URL, https://pelibifir.ru/strik?utm_term=10th+class+physics+questions+and+answers, is likely used to redirect users to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 5
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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 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://pelibifir.ru/strik?utm_term=10th+class+physics+questions+and+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4412403/normal_602820ebb87e7.pdfIn PDF document text
- http://ravevuzovije.mywebcommunity.org/76387193025.pdfIn PDF document text
- https://cdn.sqhk.co/jaguwubax/ji1jfhb/50324849023.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460228/normal_5fcbaf8807040.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425912/normal_60277b65d7087.pdfIn PDF document text
- https://cdn.sqhk.co/razefudixid/YoFhcKg/syberia_3_xbox_one_bugs.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4494451/normal_5fcc474e535ee.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409257/normal_604e4e34334f0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464852/normal_600b5a502e869.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4422659/normal_5ffda81d5d4b7.pdfIn PDF document text
- http://bimonetejatoleb.mygamesonline.org/ap_biology_campbell_7th_edition_test_bank.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378846/normal_602d774012aa1.pdfIn PDF document text
- https://cdn.sqhk.co/kolusugego/ejhMie9/super_slime_simulator_diy_super_slime_maker_game.pdfIn PDF document text
- http://mitatizizuje.mypressonline.com/can_you_add_a_remote_to_a_hunter_ceiling_fan.pdfIn PDF document text
- http://vuzetasavuxoso.mygamesonline.org/what_is_error_code_b200_on_canon_mx922.pdfIn PDF document text
- http://nulivanofika.mygamesonline.org/disuditabifudok.pdfIn PDF document text
- https://cdn.sqhk.co/madufuxenuw/cie3gd8/temabugorawun.pdfIn PDF document text
- http://bepelisufozasep.mywebcommunity.org/cautery_machine.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://uploads.strikinglycdn.com/files/4e94e691-485f-4eea-a699-5959ec75b1cf/37127637270.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8228222a-b20f-422e-9162-d30589d1ff68/reading_derridas_of_grammatology.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/98b3ec82-5580-4901-9cb5-d08ff64b40d9/13652312905.pdfIn PDF document text
- http://givetupazowo.onlinewebshop.net/multiplication_puzzles_worksheets.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/51c24fc1-8692-4481-b473-72c3f0cfe729/wovotewelozoxu.pdfIn PDF document text
- http://nosawakudik.myartsonline.com/91335452024.pdfIn PDF document text
- http://tameladizikep.atwebpages.com/dowudovovatedopigomifut.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f221.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF221 | 5580 bytes |
SHA-256: ad6224a12e2f79dadfdd40f18d3dee77101352fd8f47eefade79b2d6bbb45787 |
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font_01_sfnt_off00010527.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10527 | 2092 bytes |
SHA-256: 9fcfd2b2c12c9d480c0beec3ee39f05b9e518edc5177a7a5fcc68dff0371f8a2 |
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font_02_sfnt_off00010ec8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EC8 | 10832 bytes |
SHA-256: 9aeb9caa646c74a718d816718511266d826b486f25523bcf3133ccc2fff4c4ac |
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font_03_sfnt_off0001340b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1340B | 2828 bytes |
SHA-256: 823704d21effedb18839752823c1b731183c6891ecb0aa1d9116834a15dd6259 |
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