Malicious PDF — malware analysis report

Static analysis result for SHA-256 0362f73354d26153…

MALICIOUS

PDF

40.7 KB Created: 2020-09-01 17:24:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 12c34b18889a491b7b697ffda41eafb6 SHA-1: 394c2db2541bdca30b46896cd4a07891b9aecff3 SHA-256: 0362f73354d26153912689b4d0962b88535e28a054e95dc5eec8b8304441b1a3
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains a link to a known malicious redirector, https://ttraff.club/wix?keyword=miracle+box+2.+27a+loader+file, which is likely part of a phishing or malware distribution chain. Heuristics indicate instructions to disable security software and a lure for a password-protected archive, suggesting an attempt to bypass defenses and deliver a payload. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Security software disable instruction high SE_SECURITY_BYPASS
    Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
  • 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
  • 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://ttraff.club/wix?keyword=miracle+box+2.+27a+loader+file
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://static.usrfiles.com/ugd/47b1e8_0bb0efb002714fe6be5b675a2a083b08.pdf
    • https://static.usrfiles.com/ugd/b58d21_4bf03f9f49384b689de0dcaa10d4d473.pdf
    • https://static.usrfiles.com/ugd/b8c837_c180215a48c347af82da553412fb9ca4.pdf
    • https://static.usrfiles.com/ugd/03ae60_ab655485262947c191601a2a9c422d03.pdf
    • https://static.usrfiles.com/ugd/98e298_b8732a3be3254b14b9adae8d64778447.pdf
    • https://cdn.shopify.com/s/files/1/0437/1536/2984/files/elsevier_latex_template.pdf
    • https://cdn.shopify.com/s/files/1/0440/5706/7685/files/the_arrangers_of_marriage.pdf
    • https://cdn.shopify.com/s/files/1/0454/1018/9480/files/spreadsheet_formulas_list.pdf
    • https://cdn.shopify.com/s/files/1/0459/6452/5735/files/16124765781.pdf
    • https://cdn.shopify.com/s/files/1/0435/2632/4383/files/holy_bible_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/4233/2057/files/reading_worksheets_for_beginners.pdf
    • https://cdn.shopify.com/s/files/1/0436/8557/6857/files/danny_phantom_season_3_episode_12.pdf
    • https://cdn.shopify.com/s/files/1/0460/3651/7028/files/mathematical_modeling_of_control_systems.pdf
    • https://cdn.shopify.com/s/files/1/0430/8267/8433/files/where_do_league_replays_go.pdf
    • https://cdn.shopify.com/s/files/1/0431/5922/4480/files/lelomiworevukubonij.pdf
    • https://cdn.shopify.com/s/files/1/0432/7034/0772/files/xadekufukexufazupofajebes.pdf
    • https://cdn.shopify.com/s/files/1/0430/4103/0293/files/59333954525.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006088.bin
b050a6d2499a92868161cee8288c7d68de636ea5f5264bb1c80cf15a5f0bdd45		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6088 5292 bytes
font_01_sfnt_off000072b3.bin
0a717a4d80b692c2748957b08a7cc83acf62ab075ff6cf837db9eca8e35e50d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72B3 10232 bytes

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