Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d2dabdc00d32f3a…

MALICIOUS

PDF

86.9 KB Created: 2021-03-16 10:59:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: 37f77dbb68d261f7d5a5da820a842806 SHA-1: 8129d437e27ba66f98ec0922157111fb986ce276 SHA-256: 4d2dabdc00d32f3af2fad5e02abe16dbc9f47b462bcaf9808c29c5689f394038
174 Risk Score

Malware Insights

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

This PDF document exhibits multiple high-risk indicators, including ML classification and ClamAV detection, strongly suggesting malicious intent. The presence of a 'password-protected archive handoff' heuristic, combined with numerous external URIs, indicates a likely phishing or malware distribution scheme. The document's content, though heavily obfuscated, appears to be a lure for a 'car gauge pro mod apk', further supporting a malicious download attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://botokaw.ru/wix?keyword=car+gauge+pro+mod+apk PDF link annotation
    • https://rakuwogu.weebly.com/uploads/1/3/4/8/134858672/9476389.pdfIn PDF document text
    • http://bcpzonasegurape2-viabcp.com/kenmore_smartwash_quiet_pak_9_manual7enyu.pdfIn PDF document text
    • http://hq-cleartv.info/lalarodevuskahfm.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453532/normal_6009dc89cf370.pdfIn PDF document text
    • http://draiwenstore.online/vebinixw6ja.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373992/normal_5febdd1e61bb5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426974/normal_6035b50ccc3fd.pdfIn PDF document text
    • https://jinepesel.weebly.com/uploads/1/3/5/3/135346763/gaxisi-jiwenatetifa.pdfIn PDF document text
    • http://card2card.live/download_game_shadow_legend_stickman_revenge_mod_apk5i5zo.pdfIn PDF document text
    • https://fefejixoloxit.weebly.com/uploads/1/3/0/9/130969032/5345612.pdfIn PDF document text
    • http://potozafit.medianewsonline.com/84532963094.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4376098/normal_5ffc9ff2846b4.pdfIn PDF document text
    • http://particuliers-societegenerale.xyz/oracle_sql_datetime_format_to_date0kpew.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4404313/normal_5fc6f6b18c7cc.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xuvekixofeku.onlinewebshop.net/24542280850.pdfIn PDF document text
    • http://xolevusafo.myartsonline.com/vampire_diaries_season_8_cast_siren_sister.pdfIn PDF document text
    • http://ratobewiwigu.atwebpages.com/star_citizen_free_fly_weekend.pdfIn PDF document text
    • https://s3.amazonaws.com/tazopaju/kixekol.pdfIn PDF document text
    • http://geforagegi.atwebpages.com/g_shock_5081_ga_100cf_manual.pdfIn PDF document text
    • http://gobobanowis.epizy.com/adform_tracking_code_example.pdfIn PDF document text
    • https://s3.amazonaws.com/zusevamasor/lloyds_covered_bond_report.pdfIn PDF document text
    • https://s3.amazonaws.com/gazivemon/20461615227.pdfIn PDF document text
    • http://xiwaresijo.epizy.com/pijutabelipevomo.pdfIn PDF document text
    • https://s3.amazonaws.com/xapota/classes_of_drugs.pdfIn PDF document text
    • https://s3.amazonaws.com/zifozujiwi/4542166680.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f93b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF93B 5040 bytes
SHA-256: 40db953703e2ddcd22c2e01da8ad02e14d27e29bfea4853ed3af818d3152917a
font_01_sfnt_off00010a45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A45 11132 bytes
SHA-256: 462e9c7f7e8eacef31289e5a3811eb6b1d65ad7f452f19a9a60ccb6748cd4174
font_02_sfnt_off00013081.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13081 18512 bytes
SHA-256: 558264628a045e9b1068852b771bb2d98df8d1b21a1b878c7f349c5411220a36

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