Malicious PDF — malware analysis report

Static analysis result for SHA-256 24158ad4a26fcb80…

MALICIOUS

PDF

35.0 KB Created: 2020-09-16 16:08:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 51889ed8f6ebea3d0707d2b66ea7312f SHA-1: 3ff189507b22ca32946f2ffc74996938bb4bc74e SHA-256: 24158ad4a26fcb8054c988456c304676e70491b61a5d0c1a7d157133a1138922
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm designed to redirect users to malicious infrastructure. The primary malicious URL is https://ttraff.club/wix?keyword=pokemon+apkpure+games, which is likely part of a phishing or scam campaign. The document body's garbled text and the presence of numerous embedded links further support this assessment.

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=pokemon+apkpure+games
    • https://cdn.shopify.com/s/files/1/0470/8886/1342/files/dibazedaniwesov.pdf
    • https://cdn.shopify.com/s/files/1/0432/0044/6626/files/70172649467.pdf
    • https://cdn.shopify.com/s/files/1/0462/6789/1861/files/bujonor.pdf
    • https://cdn.shopify.com/s/files/1/0432/2469/4942/files/minecraft_achievement_guide_pc.pdf
    • https://cdn.shopify.com/s/files/1/0430/7438/8119/files/10433259063.pdf
    • https://cdn.shopify.com/s/files/1/0429/0733/6857/files/adobe_flash_player_10_activex.pdf
    • https://e9729b69-2557-4be3-86c9-a3077739f920.filesusr.com/ugd/69695d_f27787e89b3847d8875acf13bf1fbb31.pdf?index=true
    • https://c5aff206-e506-4c3a-ac45-91c1b75f6542.filesusr.com/ugd/696117_838525092fb54fafb35da9312237d202.pdf?index=true
    • https://ba849cb7-eefc-441f-83d1-64a746ba175a.filesusr.com/ugd/4c7633_2daa690589d74eb78a556660d4619855.pdf?index=true
    • https://23c6e5a5-d0da-4185-b800-a59825db5807.filesusr.com/ugd/565485_2daa4fe856104bf0b50fad835ebfcf5c.pdf?index=true
    • https://e0b31e09-c346-4b1a-a32f-5cb342cb0753.filesusr.com/ugd/6f9b04_3181cccbf2d941c3b1f2f1a19f3730df.pdf?index=true
    • https://ab439087-6f94-41a1-aa10-52e968f3f115.filesusr.com/ugd/8ce377_66081dce9b0f48bd8f90fe6f0b0587b1.pdf?index=true
    • https://943f350b-d1e4-4e20-9f68-08771b6594b0.filesusr.com/ugd/70e7d4_d9bf5e2f3463454198d255dd2e8390d1.pdf?index=true
    • 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_off00004b8b.bin
b680b5bf73ed2297bc81326bf983f2f4a431fb92e73a9b68d75fb38fa698bdf3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4B8B 5172 bytes
font_01_sfnt_off00005d11.bin
fbb7c9a1e4d4497dc53230bd7b0d870dd75a95e3ed384d989cd97be3001d421c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D11 10144 bytes

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