Malicious PDF — malware analysis report

Static analysis result for SHA-256 53e09800256e5a45…

MALICIOUS

PDF

39.3 KB Created: 2020-08-20 18:05:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 535166037ec0041c7900ef297e95e03f SHA-1: fdb7f965a074a476955f58c948a1f66bb55773ea SHA-256: 53e09800256e5a45fe760f804461a007e433a0bd2669018ca43ce74c936b7808
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file exhibits characteristics of a link farm, containing a large number of external links. One prominent link, 'https://ttraff.com/pify?keyword=one+piece+bounty+rush+apk+obb+revdl', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure users to external content. The presence of numerous links, many pointing to Shopify domains, indicates a strategy to distribute or mask malicious redirects.

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.com/pify?keyword=one+piece+bounty+rush+apk+obb+revdl
    • http://files.professionalcapitalpartners.com/uploads/1/3/1/4/131438766/4121815.pdf
    • http://files.eprockpg.org/uploads/1/3/1/0/131070362/mudebikixage.pdf
    • http://files.adageogjoe.com/uploads/1/3/0/7/130775366/jozesose.pdf
    • http://files.ascengineersinc.com/uploads/1/3/1/4/131438557/2812d09411070.pdf
    • http://files.dokkanaccountseller.com/uploads/1/3/2/7/132712306/1079243.pdf
    • https://cdn.shopify.com/s/files/1/0431/9281/1669/files/minecraft_modding_api.pdf
    • https://cdn.shopify.com/s/files/1/0428/8145/0147/files/wow_classic_warrior_build.pdf
    • https://cdn.shopify.com/s/files/1/0429/6802/3194/files/foxunakisu.pdf
    • https://cdn.shopify.com/s/files/1/0433/9869/3013/files/sewing_book_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/5358/0439/files/bruchrechnen_aufgaben_5._klasse.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/84602765162.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34292265756.pdf
    • https://cdn.shopify.com/s/files/1/0432/6660/5211/files/jilawijusen.pdf
    • https://cdn.shopify.com/s/files/1/0440/1322/4094/files/ncoer_fillable.pdf
    • https://cdn.shopify.com/s/files/1/0429/0910/6343/files/all_in_one_messenger_for_windows.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_off0000523e.bin
e316c01ba1384db6d2625584b7ad47622a5980c805c0f2a844ed1667e530de05		 pdf-font-stream PDF embedded font (sfnt) at offset 0x523E 5556 bytes
font_01_sfnt_off00006512.bin
c4e4038d0279d68f424fbe81b7354f8a1172b2a700690fb29665ce06c1c18b6a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6512 13976 bytes

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