Malicious PDF — malware analysis report

Static analysis result for SHA-256 ecc2d32bc76afcf7…

MALICIOUS

PDF

70.7 KB Created: 2021-02-15 07:30:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 9053f2c0da2d8c40efa3f7fb572bd092 SHA-1: a4701c51cd93785f6cbf8affa63464243455589e SHA-256: ecc2d32bc76afcf7c603e3b856f0bdbaf2428d51d29cf491101ae9701f70cd0a
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://leonvi.ru/aws?utm_term=ap+treasury+challan+form+online PDF link annotation
    • http://abouts.space/wijutesopijixepeseguvuxodjy2ol.pdfIn PDF document text
    • http://hardcreditcheck.info/299100286298z0ip.pdfIn PDF document text
    • http://creamwalls.space/letra_a_mayuscula_y_minuscula_para_colorearqgojz.pdfIn PDF document text
    • http://good-production9.site/legend_vs_zombie_apk_hackfh5eq.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501775/normal_5fdb38ccd05cf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366306/normal_601bce1c37d97.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381287/normal_5ff9c2f1b996e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4445115/normal_600c548bcb03f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4474475/normal_5fd83ea8ebad7.pdfIn PDF document text
    • http://instacopyrighthelpteam.com/mbps_to_kbps53izh.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/zuniverijesud/football_game_apk_for_android.pdfIn PDF document text
    • https://s3.amazonaws.com/miledu/module_4_investing_test_answer_key.pdfIn PDF document text
    • https://s3.amazonaws.com/suximawo/gegagurepidix.pdfIn PDF document text
    • http://jilutuve.rf.gd/game_furious_payback_racing_mod_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/tubupejevomo/vajukijanotigolije.pdfIn PDF document text
    • https://s3.amazonaws.com/kezemiradigu/effects_of_noise_ielts_reading_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/dogazisuze/hindu_god_name_list.pdfIn PDF document text
    • https://s3.amazonaws.com/toguvaju/karmakshetra_bengali_newspaper.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_off0000d616.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD616 5348 bytes
SHA-256: fd83d3fdec8501ebb376d5a3449090ce4c37c2aeb41588a356e9dbe8bb92938b
font_01_sfnt_off0000e824.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE824 11016 bytes
SHA-256: 295159781776b151500a5431dc7b59c59e79b0b3695ce72e766bfe7ce97bcf1c

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