Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ced47a93c7421f6…

MALICIOUS

PDF

71.5 KB Created: 2021-02-14 09:49:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: c3dc3bc172a695524d6d9391b8afa62d SHA-1: 354b021b3f8373455d603530c488ce31b2b240af SHA-256: 5ced47a93c7421f62ef62b40ef00b6696defe1020fc1346342b24a65a3411ab8
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ML classifiers and ClamAV, with a high risk score. It contains an embedded URI pointing to 'https://baarspo.ru/wb?keyword=bottomnavigationview%20viewpager%20android', which is likely a phishing or malware distribution site. The PDF structure and embedded content suggest it's designed to exploit users through deceptive means.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://baarspo.ru/wb?keyword=bottomnavigationview%20viewpager%20android PDF link annotation
    • https://cdn.sqhk.co/vefusujix/PMjdbgd/68671334613.pdfIn PDF document text
    • http://igcopyrightclient.com/guzilipalakusodabivuvdjcy7.pdfIn PDF document text
    • https://cdn.sqhk.co/tumowara/fEjijg5/ratebigunovevapikedama.pdfIn PDF document text
    • http://jaxebememapi.iblogger.org/wuxozikujedulijabo.pdfIn PDF document text
    • https://cdn.sqhk.co/nujidegowupi/jcslghl/stickman_legends_ninja_warrior_mod_apk.pdfIn PDF document text
    • http://sifasawiseziwi.iblogger.org/69226548223.pdfIn PDF document text
    • http://6gusevshop.website/98015303514lgkzm.pdfIn PDF document text
    • https://cdn.sqhk.co/butiluluvuk/ghfjdja/vazogufuxipedem.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/sowewazulejewi/jugunoduso.pdfIn PDF document text
    • https://s3.amazonaws.com/satudifin/rowizujoriwesipopo.pdfIn PDF document text
    • http://lanuseponozowut.rf.gd/afsana_pyar_ka_full_movie_free.pdfIn PDF document text
    • https://s3.amazonaws.com/zowejunef/swagger_editor_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/zufojadibi/41643093398.pdfIn PDF document text
    • https://s3.amazonaws.com/wofaxil/habibie_ainun_2_movie.pdfIn PDF document text
    • https://s3.amazonaws.com/dobesogum/oscilloscope_android_app_free.pdfIn PDF document text
    • https://s3.amazonaws.com/jexijer/13131616446.pdfIn PDF document text
    • https://s3.amazonaws.com/bisazabe/kivut.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.

FilenameKindSourceSize
font_00_sfnt_off0000d74f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD74F 5272 bytes
SHA-256: c8b6afb6a871ff3530eec1b4ba723ef8ebd49adb252a90adbe2bff75e354dc7e
font_01_sfnt_off0000e93e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE93E 12028 bytes
SHA-256: 25bf882cec6361534a0feeef57d003b985abbe232e26c5dad0a88210b279bc43

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