Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0deb20bc91717e8…

MALICIOUS

PDF

73.8 KB Created: 2021-02-14 07:44:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: e2c9a89d28174969ed1c170ad8b23aaf SHA-1: 64d15a88b3297df1a8b509f5514e70f1b99254a9 SHA-256: d0deb20bc91717e88dd90e1f00c130acd6b9a911570b8c828ab4ae09b01e0c22
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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=chrome%20browser%20free%20%20for%20pc PDF link annotation
    • http://idealicaitalia-oficial.site/cvc_word_sentence_worksheetsxp0x3.pdfIn PDF document text
    • https://cdn.sqhk.co/salenasova/jciiZje/badlands_national_park_facts_information.pdfIn PDF document text
    • https://cdn.sqhk.co/totafeta/Pjbheib/15878962986.pdfIn PDF document text
    • http://neo-tp.ru/position_distance_displacement_works8e5a1.pdfIn PDF document text
    • https://cdn.sqhk.co/bovokolel/suhhgew/muginifekex.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473654/normal_60135f773143b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369187/normal_600325b2ba41f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466408/normal_5fe1cdd36f5a3.pdfIn PDF document text
    • https://cdn.sqhk.co/kumotuxijufu/dhanTi3/47644346759.pdfIn PDF document text
    • https://cdn.sqhk.co/kupibetefuko/uggps7X/cyberdog_camden_dancers.pdfIn PDF document text
    • https://cdn.sqhk.co/rilixuzewiv/E0gfhgE/cloning_vector_definition_biology.pdfIn PDF document text
    • http://anyita.space/gobuxixuloru1lemi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486537/normal_5fd77b1baab03.pdfIn PDF document text
    • https://cdn.sqhk.co/jugomuzuteb/5hj4jd3/world_war_2_heroes_ww2_shooter_mod_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447464/normal_5fd130fa66ef4.pdfIn PDF document text
    • https://cdn.sqhk.co/vedimofaw/ftggii5/classic_opening_chess_moves_white.pdfIn PDF document text
    • https://cdn.sqhk.co/kusamika/heQniaG/birthday_cake_idea_for_girl.pdfIn PDF document text
    • https://cdn.sqhk.co/fugolamudara/jaibgb7/acrylic_nail_shapes_almond_short.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000e41a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE41A 5152 bytes
SHA-256: 23932b5ffc78d488aceacc7879d478997dc693027aa14b769bfbb1a0af79e93f
font_01_sfnt_off0000f584.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF584 10820 bytes
SHA-256: 2cc3d3085fbf1f15f0ec106861a89d7df34080e872101baa2275cbe3f8166b92

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