Malicious PDF — malware analysis report

Static analysis result for SHA-256 63f435ee3185d6ac…

MALICIOUS

PDF

72.0 KB Created: 2021-03-10 00:08:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: c1584ecbbf7d7faf8ecdf6418e948d27 SHA-1: b30ff3b5779031f84012dede4b8e937939a971c1 SHA-256: 63f435ee3185d6ac3ad59255d04fe076191ee9948d56ea4acbfeb40a44a74f94
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://lozipotod.ru/wix?keyword=cfg+loader+wiiware PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4381756/normal_5fedac9a5b6b6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4529780/normal_602171eeb7aef.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489422/normal_5fdefbe6728f7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4478685/normal_5fffdbf4513c3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4502819/normal_5febfe9827ea0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/6dc35e0a-7cf5-4926-9b15-c298acec5dd8/how_to_pair_microsoft_keyboard_800.pdfIn PDF document text
    • https://s3.amazonaws.com/bisazabe/deep_learning_slides.pdfIn PDF document text
    • https://s3.amazonaws.com/tezude/43731461547.pdfIn PDF document text
    • http://bulekixor.epizy.com/asking_for_an_interview_email_template.pdfIn PDF document text
    • https://s3.amazonaws.com/vuxalirudidel/building_maintenance_excel_template.pdfIn PDF document text
    • https://s3.amazonaws.com/guwutivupudutu/typeerror._autotable_is_not_a_function.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/06a284f5-116c-44d8-8a96-7a569856b412/jovotaliwovav.pdfIn PDF document text
    • http://laxuraxosolun.epizy.com/sapubakifolifijisu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9ec62470-d4d9-4736-aef2-cd92e54feb26/niwovowetebemamatefiwife.pdfIn PDF document text
    • https://s3.amazonaws.com/bufipevuril/today_s_jumble_answers_jeff.pdfIn PDF document text
    • http://runatavakez.epizy.com/what_is_the_road_to_hana_in_maui.pdfIn PDF document text
    • https://s3.amazonaws.com/gedimuta/71213485536.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/206d82bd-602e-4846-a919-58147e688d9f/black_and_decker_toaster_oven_to3000g_reviews.pdfIn PDF document text
    • http://lexireto.epizy.com/altium_circuit_maker.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/329b3e2f-7070-440c-be4a-836d54b6be93/dish_network_employee_benefits.pdfIn PDF document text
    • http://xebowuruno.epizy.com/equifax_minor_credit_freeze_form.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_off0000dd93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD93 4896 bytes
SHA-256: c3f09b3a73ad5a50467a66579b6b7d8d8197f6dcc5d3612777c97d2df202b929
font_01_sfnt_off0000ee5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE5A 10664 bytes
SHA-256: 094fa007d0713120279d208ad57121e81e0f470a43fd7f326fe485a538d437c9