Malicious PDF — malware analysis report

Static analysis result for SHA-256 99530faf297d6cb9…

MALICIOUS

PDF

54.5 KB Created: 2020-09-18 04:56:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6b478571c202228a39197c9ff7573865 SHA-1: 339e84574eea8b712f2b747df194a33340599f10 SHA-256: 99530faf297d6cb97689f0d597b025c31b05c81c1c7efe24f565e0701cf1e61c
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF document contains a malicious redirector link disguised as a game download, which is a common lure for phishing or malware delivery. It also hosts a large number of links to other PDFs on Shopify, likely as part of an SEO link farm to improve search engine ranking for malicious content. No scripts were extracted, but the presence of the malicious URL and the link farm structure strongly suggests an attempt to drive traffic to malicious infrastructure.

Heuristics 3

  • 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.
  • 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=speedplay+soccer+4+agame
    • https://cdn.shopify.com/s/files/1/0431/7154/5237/files/72961805620.pdf
    • https://cdn.shopify.com/s/files/1/0431/2065/6545/files/47983765431.pdf
    • https://cdn.shopify.com/s/files/1/0431/6469/6738/files/final_fantasy_ix_apk_1.5.2.pdf
    • https://cdn.shopify.com/s/files/1/0435/4015/2475/files/android_17_voice_actor_japanese.pdf
    • https://cdn.shopify.com/s/files/1/0430/0151/2090/files/17645145260.pdf
    • https://cdn.shopify.com/s/files/1/0431/6836/6760/files/can_t_stop_the_feeling_sheet_music.pdf
    • https://4a11c59a-2add-49e1-9321-cbf50d99ef63.filesusr.com/ugd/0df15e_a74f0f8e3897431599bf495a7838fb81.pdf?index=true
    • https://b3ca6696-cbb8-4f22-86c0-2fbf5c3be626.filesusr.com/ugd/b9801a_15ffef4fa79f4dafa85fa95da89e16d7.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0431/8078/5821/files/hallenbad_buseck.pdf
    • https://cdn.shopify.com/s/files/1/0462/2024/7194/files/54187015024.pdf
    • https://cdn.shopify.com/s/files/1/0447/1331/2409/files/amman_padalgal_video_song.pdf
    • https://cdn.shopify.com/s/files/1/0433/1667/4713/files/79594238000.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009241.bin
de544abfdae1e8f8179297eca3b8752f8b019e52f99e4917f794c976f90a5dd4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9241 5684 bytes
font_01_sfnt_off0000a59b.bin
c3d9a8bca63ea5a9cdbae8f0c3158523b60adf120ada5e7be39a3cec0e7d18a8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA59B 14256 bytes

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