Malicious PDF — malware analysis report

Static analysis result for SHA-256 de75f60f8515bd61…

MALICIOUS

PDF

35.3 KB Created: 2020-08-23 23:20:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 64b6fd2a7b180b59484664992ff88281 SHA-1: afde3e86136291d3e63ca1f2301a34a173c9461d SHA-256: de75f60f8515bd61be6816189f0fc3393d6c2a2dc53c94abfefadce27ef6700b
128 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=lexis+audio+editor+pro+apk+crack'. Additionally, it exhibits a PDF link farm heuristic, with multiple links pointing to PDF files hosted on cdn.shopify.com and other domains. The document body contains text related to 'Lexis audio editor pro apk crack' and a visual download button lure, reinforcing the phishing attempt.

Heuristics 4

  • 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.
  • 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
  • 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=lexis+audio+editor+pro+apk+crack
    • http://files.kathysrescuecats.com/uploads/1/3/1/4/131408537/saxizusuvilufumabaj.pdf
    • https://cdn.shopify.com/s/files/1/0430/5993/7434/files/wuxosolarot.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zipepatijexozuzazes.pdf
    • https://cdn.shopify.com/s/files/1/0432/1551/9912/files/58009769040.pdf
    • https://cdn.shopify.com/s/files/1/0429/1490/6279/files/90159187135.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/borutazaweluv.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13908697451.pdf
    • https://cdn.shopify.com/s/files/1/0447/2481/3977/files/hal_leonard_the_beatles_complete_scores_book.pdf
    • https://cdn.shopify.com/s/files/1/0430/3182/2485/files/28556773920.pdf
    • https://cdn.shopify.com/s/files/1/0433/9436/7649/files/taotao_carburetor_repair_manual.pdf
    • https://cdn.shopify.com/s/files/1/0429/9869/4049/files/zofasupebexeradib.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_off00004cbf.bin
0ac931d2cfa38e9fa0de2e5b5bc4c314d1303ed6c5b32df9cae5564ba4c7ed17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4CBF 5108 bytes
font_01_sfnt_off00005e38.bin
d19a2d1dcef06de8f7d5b31ead850be8a9dec81608fc86c5fadf3c03cb6b56a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E38 10172 bytes

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