Malicious PDF — malware analysis report

Static analysis result for SHA-256 3072ac97fc3bd839…

MALICIOUS

PDF

81.0 KB Created: 2021-04-02 06:39:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 09bfd201bbc99a0fd20df3f8317d3021 SHA-1: 980ae6a344bbc11b4f4062d675fa3987012ca3ad SHA-256: 3072ac97fc3bd8394939239d3a9cd978732fa4a2f293441202b84ec1a596e7c7
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://kuzutuzo.ru/wix?keyword=vw+502+00+oil+walmart PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4499317/normal_6025471e7694b.pdfIn PDF document text
    • http://faceskinagainbeauty.xyz/779340758718fvd7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424953/normal_60104bc9cd153.pdfIn PDF document text
    • https://cdn.sqhk.co/vadavenaw/4Ciagj2/70272389764.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486548/normal_5ff04557a4510.pdfIn PDF document text
    • https://cdn.sqhk.co/zizenozi/jcpwAva/us_military_bases_world_map_2020.pdfIn PDF document text
    • http://fastpeysistem.online/wagaruxalirojajufel0zdh.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420930/normal_5fd2e08e9098a.pdfIn PDF document text
    • https://cdn.sqhk.co/zakolemafemo/qiipwjc/simple_sound_generator_circuit.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385198/normal_5fe7ca2066932.pdfIn PDF document text
    • https://cdn.sqhk.co/nupopobax/iejdAan/can_knockdown_3_apk_hack.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4392871/normal_5ffa4cc2587f2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495685/normal_6049815722cb9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402246/normal_6051a1f46ff55.pdfIn PDF document text
    • https://cdn.sqhk.co/titabofasika/VhdgerR/novogratz_skylar_coil_modern_sofa_bed_and_couch.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/davolazupivowi/form_one_basic_mathematics_topics.pdfIn PDF document text
    • https://s3.amazonaws.com/tikoweravisixu/akhiyon_se_goli_maare_song_video.pdfIn PDF document text
    • https://s3.amazonaws.com/gavexilatuvitaz/wizigelumasogabe.pdfIn PDF document text
    • https://s3.amazonaws.com/zeworibuzoza/35437074501.pdfIn PDF document text
    • https://s3.amazonaws.com/lodazojamuva/kitchenaid_refrigerator_repair_austin.pdfIn PDF document text
    • https://s3.amazonaws.com/ximupuv/falabixewojubazibexa.pdfIn PDF document text
    • https://s3.amazonaws.com/fuwuzerijofa/music_appreciation_curriculum_for_high_school.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_off0000fcb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCB9 5108 bytes
SHA-256: d15ec1444bf09b32b5c0fe928eb8a08da3ef18c86bbbbe2b0a2c950af7b59a01
font_01_sfnt_off00010e20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E20 11768 bytes
SHA-256: e6b43f81d8774c507fab228e49846f58c4b92753a40e309e6ba81e38921b588f

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