Malicious PDF — malware analysis report

Static analysis result for SHA-256 006a6ec249cbebbc…

MALICIOUS

PDF

86.7 KB Created: 2021-03-13 13:04:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: 8494db2656158527c426e2d59b565d55 SHA-1: 58741ee1b66f7fe378f332dfc320e764a0ff5757 SHA-256: 006a6ec249cbebbc34a8c08ab1f1bc44b51af7a9031a6d0129cfeaf53d6d3717
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that directs users to a suspicious domain, likely for a phishing or malware distribution attempt. The document body, though heavily obfuscated, appears to contain keywords related to mobile mechanics, suggesting a social engineering lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://gimoguvi.ru/strik?utm_term=mobile+mechanic+auto+experts+los+angeles+ca+90039 PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4501233/normal_5fe3ea8adb460.pdfIn PDF document text
    • http://heartcenteredequestrian.com/nexevoxuwv6iy.pdfIn PDF document text
    • http://nakrutkavk.site/lighthouse_inn_and_suites_pismotn08v.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4478148/normal_6004f941bcf04.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366388/normal_603220ee392c9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413012/normal_5febfda3b7656.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383147/normal_5ff3266d4d3bb.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://s3.amazonaws.com/lososimap/fofulivoliname.pdfIn PDF document text
    • https://s3.amazonaws.com/wixanarer/lamb_red_wine_pairing.pdfIn PDF document text
    • http://zovuzizosagedip.epizy.com/dolilepogavexorubena.pdfIn PDF document text
    • http://jigotubefaso.rf.gd/musiz.pdfIn PDF document text
    • https://s3.amazonaws.com/mesixadelomomo/idsa_guidelines_candidemia_2009.pdfIn PDF document text
    • http://gulabuj.epizy.com/bawubepefupudujusuwuw.pdfIn PDF document text
    • http://bogasupi.rf.gd/gozabaxagimo.pdfIn PDF document text
    • http://fopaguduvogo.rf.gd/happy_wheels_1._0_apk_android.pdfIn PDF document text
    • http://wepinipinalojud.epizy.com/ap_literature_and_composition_practice_test.pdfIn PDF document text
    • https://s3.amazonaws.com/pipaneku/xekutezimekuj.pdfIn PDF document text
    • https://s3.amazonaws.com/nutanigonu/68806406383.pdfIn PDF document text
    • http://komoridetunitiw.epizy.com/75093081190.pdfIn PDF document text
    • https://s3.amazonaws.com/liwafo/napodivexozaweteri.pdfIn PDF document text
    • https://s3.amazonaws.com/lefemijip/marriage_certificate_andhra_pradesh.pdfIn PDF document text
    • http://limepupotof.epizy.com/how_to_read_tarot_yes_or_no.pdfIn PDF document text
    • https://s3.amazonaws.com/magapeguwabe/resttemplate_ignore_self_signed_certificate.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.

FilenameKindSourceSize
font_00_sfnt_off0001062c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1062C 5904 bytes
SHA-256: 3e5f953d0adf7a0cc821181b8c50f3c74e6dd4aed80ad26503f99a125c3e63e5
font_01_sfnt_off00011a19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A19 10788 bytes
SHA-256: f7a06dd38b5b02c738080f1ad2727f265ab7d808b29015ca9a2b0634ab2dd764
font_02_sfnt_off00013ecb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13ECB 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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