MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains obfuscated text that appears to be a lure for 'Backtrack 5 r2 for windows 7'. It embeds numerous URLs, many of which point to disposable hosting and are likely part of a phishing or malware distribution scheme. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to redirect users to a malicious site for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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/123?utm_term=backtrack+5+r2++for+windows+7 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4496146/normal_60237b41a4586.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447263/normal_5ff75a3938da3.pdfIn PDF document text
- https://cdn.sqhk.co/jefapukawore/jjEhb41/learning_colors_worksheets_for_2_year_olds.pdfIn PDF document text
- https://cdn.sqhk.co/xunijejozi/6gdUbha/zig_zag_shirt_men_s.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420441/normal_604852b91b862.pdfIn PDF document text
- http://zapegerebipe.22web.org/zifopofowizepukenuvifesif.pdfIn PDF document text
- http://xoxinusenavi.66ghz.com/wodibi.pdfIn PDF document text
- https://cdn.sqhk.co/legezuseg/jaejfii/dezur.pdfIn PDF document text
- http://duvejajenivogik.getenjoyment.net/the_bet_anton_chekhov_character_analysis.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450257/normal_603d05182da18.pdfIn PDF document text
- http://tulavesew.getenjoyment.net/psychology_books_for_students.pdfIn PDF document text
- https://cdn.sqhk.co/moromasi/igeaSgg/skater_xl_review_2020.pdfIn PDF document text
- http://vomimaforotagi.mywebcommunity.org/48370066919.pdfIn PDF document text
- https://cdn.sqhk.co/xomatujod/IIvmBic/nixap.pdfIn PDF document text
- https://cdn.sqhk.co/gotakavapu/hjjaVUP/28072584876.pdfIn PDF document text
- https://cdn.sqhk.co/benanejufa/gggggfD/gibedazekumusagigugaximo.pdfIn PDF document text
- https://cdn.sqhk.co/silutoge/icfv10O/avert_trial.pdfIn PDF document text
- https://cdn.sqhk.co/xovikojux/3xicvzF/attendance_management_system.pdfIn PDF document text
- http://gujozulogisin.scienceontheweb.net/academic_library_and_information_system.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/c1cfbe0a-d3fc-4d67-9656-bfe1f2b4e958/russian_alphabet_to_english_converter.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f736f834-0eba-42de-b0d3-a5b4beb4abcf/fate_system_toolkit.pdfIn PDF document text
- http://bupuboteba.epizy.com/catalogue_ph_kin_hafele.pdfIn PDF document text
- http://daguvagobilat.rf.gd/lipifakotololi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/911a6a6d-8710-42fb-a0d8-5e0085a61860/can_fitbit_flex_2_get_wet.pdfIn PDF document text
- http://bukezodebas.onlinewebshop.net/kakasefitetijaj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/faa5f513-34e2-4b33-8a17-665c2ebd4d09/esl_library_future_tense_with_going_to_answers.pdfIn PDF document text
- http://namutogenasokab.epizy.com/36368284111.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f881.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF881 | 5196 bytes |
SHA-256: f58c369961e14de964ae482de2ac6ad2b0eca744a613c97a1cd7294f5326b7ff |
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font_01_sfnt_off00010a54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A54 | 13156 bytes |
SHA-256: 533e2233d60ca058094d3696ef5f95df3d4877d2b1fac51a3a6d166701c03b4e |
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font_02_sfnt_off000132c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132C4 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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