Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c07642c4f73be47…

MALICIOUS

PDF

67.2 KB Created: 2021-02-16 07:41:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: be08a144d74bc910cd21f28238d6a7c4 SHA-1: 8b416af18f9ade3a5863a31b2f14e380d6a587e9 SHA-256: 3c07642c4f73be47de74720d59cd8abea1ba32ac35d6a923cfc866aad72edc12
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://maypoin.ru/wix?keyword=sims+apk+mod+mobile PDF link annotation
    • http://dejenenipanoz.22web.org/67297045370.pdfIn PDF document text
    • https://cdn.sqhk.co/walamalesumi/d8ItBtj/58550945781.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485172/normal_60090a98d701a.pdfIn PDF document text
    • https://cdn.sqhk.co/vupapevixu/cvgN9hq/dominations_calling_wow.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495526/normal_60125a96c48c1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408177/normal_6002e316dd10b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385634/normal_5fdb008999243.pdfIn PDF document text
    • http://natezaka.iblogger.org/contractions_worksheet_grade_4.pdfIn PDF document text
    • https://cdn.sqhk.co/mujekesire/8EjbOY9/spellbinders_die_of_the_month_october.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4406168/normal_601ce1b654ff6.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://givonomiruf.rf.gd/jozokemeti.pdfIn PDF document text
    • https://s3.amazonaws.com/pisedij/online_shopping_file.pdfIn PDF document text
    • https://s3.amazonaws.com/zalomi/bonpalashir_padabali_1973_songs_free.pdfIn PDF document text
    • https://s3.amazonaws.com/likerajatob/black_eyed_pea_soup_nutritional_information.pdfIn PDF document text
    • https://s3.amazonaws.com/samopakamefap/dofironeximipamajebil.pdfIn PDF document text
    • https://s3.amazonaws.com/zemunomipazikez/kemisikiziforifa.pdfIn PDF document text
    • https://s3.amazonaws.com/legenapi/globo_aerostatico_en_forma_de_avion.pdfIn PDF document text
    • https://s3.amazonaws.com/sikuva/52968632756.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_off0000c9ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC9EA 5316 bytes
SHA-256: 96e8be07b9099212284d40116a3e1d4ecf3cfb5e9c71ea18e672b6f4f37a44b8
font_01_sfnt_off0000dbe5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBE5 10448 bytes
SHA-256: 44f70265a5f76eaa21675867ef414a9704c5e2b6bfaea68c1e0775d8e579dc2f