MALICIOUS
164
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 phishing or trojan payload. It contains a large number of external links, a technique often used for SEO poisoning or to redirect users to malicious sites. One of the embedded URLs, 'https://kuzutuzo.ru/123?utm_term=period+tracker+app++iphone', and another linked PDF, 'http://bepelisufozasep.mywebcommunity.org/amoxicilina_clavulanato_suspenso_bula.pdf', are flagged as suspicious. The presence of a 'download button' heuristic further supports a malicious download lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://kuzutuzo.ru/123?utm_term=period+tracker+app++iphone PDF link annotation
- http://bepelisufozasep.mywebcommunity.org/amoxicilina_clavulanato_suspenso_bula.pdfIn PDF document text
- http://vulufinagi.mypressonline.com/56873070524.pdfIn PDF document text
- http://buvinivu.iblogger.org/cert_pem_format_example.pdfIn PDF document text
- http://tupujetu.sportsontheweb.net/complete_blood_count_procedure.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/fc3e4800-d23b-4f31-a58f-d21f45b5a5d8/how_to_draw_a_tree_house.pdfIn PDF document text
- http://simifumujabiguw.rf.gd/vehicle_bill_of_sale_fillable.pdfIn PDF document text
- https://171e2b11-24ea-4535-acac-f971ec821c4b.filesusr.com/ugd/a07927_3818d38423ed40d6b0806e0c60cb94fa.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zusevamasor/make_money_from_home_legitimate_uk.pdfIn PDF document text
- https://s3.amazonaws.com/zodawanuror/bedafutunerufu.pdfIn PDF document text
- https://s3.amazonaws.com/tevigotu/computer_hardware_store_kearney_ne.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bddc2c59-685d-431c-9c19-c5b3a8212e91/1-100_copy_paste.pdfIn PDF document text
- https://s3.amazonaws.com/bezorito/ost_missing_you_korean_drama.pdfIn PDF document text
- https://2aa89031-56ac-4de1-b828-aabe99840ec8.filesusr.com/ugd/cf14a4_dddeed0dc07a4a61a4cf0048c2e2ac53.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lerezazo/acronis_backup_12._5_standard_workstation_datasheet.pdfIn PDF document text
- http://biwosagamivi.myartsonline.com/vulozibujazumafaba.pdfIn PDF document text
- https://b70645e9-42d7-44c6-80f2-f165c8819e8d.filesusr.com/ugd/3f1130_b46eac4967534f228b3270eae2b3b515.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wexukufedepim/hookah_bar_hd_video_song_free.pdfIn PDF document text
- https://s3.amazonaws.com/tiduro/solving_quadratics_by_factoring_worksheet_with_answers.pdfIn PDF document text
- http://ralepixevoz.epizy.com/jujexetosu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8fd41474-1824-4ee8-ac56-cfd9b52fd8f4/plantronics_voyager_legend_uc_charging_case.pdfIn PDF document text
- https://3e1ae61b-6b68-46dc-8a90-d1c7a5b9f91c.filesusr.com/ugd/b8bbd7_225ceba6f6bd4a89b1aa9091a995f3ee.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/litunux/audacity_for_mac_high_sierra.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9e5c0beb-404f-4800-a217-8e7cb6e75177/64981625996.pdfIn PDF document text
- https://s3.amazonaws.com/xulikamul/98547642940.pdfIn PDF document text
- https://s3.amazonaws.com/nuvukivaxiren/american_crochet_stitches_instructions.pdfIn PDF document text
- http://ratazudawi.epizy.com/dyson_dc23_turbine_head_vacuum_cleaner.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_off00010bd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BD9 | 5016 bytes |
SHA-256: b1bbf9190268dc08c6bd1aa7dc51b4980339ad577e20efb7acdafd8390fcdd7e |
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font_01_sfnt_off00011ce5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CE5 | 11652 bytes |
SHA-256: d492b2378377f7e05f32fda26aa508cf4ee5c40ef6fc7af7bf72244da8f8069f |
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