Malicious PDF — malware analysis report

Static analysis result for SHA-256 7bbfd2388013ac1a…

MALICIOUS

PDF

69.9 KB Created: 2021-01-24 16:10:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: e6504b5f83e51d4c29ff5dc6e4ac4561 SHA-1: 971711e8fa64235c69042602c2b060cc879bb7cd SHA-256: 7bbfd2388013ac1a9a797509c5c76d33fe57e82e0452b21c5765280431ee6e20
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • 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.
  • 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://bologen.ru/aws?utm_term=bryson+tiller+don%2527+t+remix PDF link annotation
    • https://cdn.sqhk.co/pujapipiwat/gAiienV/apple_airpods_real_vs_fake_box.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4500438/normal_5ff777d48e356.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426697/normal_5fe3e49ca234c.pdfIn PDF document text
    • https://cdn.sqhk.co/delinilipo/bCuijsK/human_fall_flat_xbox_split_screen_online.pdfIn PDF document text
    • https://cdn.sqhk.co/vitozogog/gigijja/ultimate_car_driving_simulator_cheat_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/zevolazezag/Oifihji/zubugulosikuka.pdfIn PDF document text
    • https://cdn.sqhk.co/mivijigonof/ZljahiD/20338527744.pdfIn PDF document text
    • https://cdn.sqhk.co/vuwonesi/Ahfdgja/32242956514.pdfIn PDF document text
    • https://cdn.sqhk.co/pofadugilip/fm8fYge/car_x_drift_racing_2_original_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/pivokazi/zjegeSf/tuwagojefujizu.pdfIn PDF document text
    • https://cdn.sqhk.co/mevexobuzur/ghb0hdy/free_survival_battleground_fire_battle_royale_mod.pdfIn PDF document text
    • https://cdn.sqhk.co/wugotiparo/zjdjehj/lucky_coin_farm_terraria_1._4.pdfIn PDF document text
    • https://cdn.sqhk.co/gawagunikuw/higf2Ni/mega_man_6_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/vagizabibo/gehjxRR/pulse_rate_chart_exercise.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zepaxawom.rf.gd/tifijatimunupiwapufaxasis.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_off0000d7a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7A7 5016 bytes
SHA-256: 960e246cc79f47d2206178be5df6e7d517579d44caa308ca54875a51e48338ee
font_01_sfnt_off0000e8b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8B3 9912 bytes
SHA-256: bb789781a14725c69a17b2849e362a344efc0500d1a137cfaf835316e4f45bd4