Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1668fec19a401c5…

MALICIOUS

PDF

44.4 KB Created: 2020-08-25 21:22:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 71eaeec8662510c1028786f0356b6dac SHA-1: de8bc429a1b4cbdaee0df478a3bb1ede8e2204c0 SHA-256: b1668fec19a401c57a5c855433b0a49a68b2b9603611ea01fdd2e50f97e866d4
68 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=mutilate+a+doll+2+download+new+version'. This URL is likely used to deliver a secondary payload or redirect the user to a malicious site. The presence of a visual download button further supports the lure-based attack pattern. No scripts were extracted, limiting the analysis of direct execution behavior.

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.
  • 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.ru/pify?keyword=mutilate+a+doll+2+download+new+version
    • http://files.nomadicsteve.com/uploads/1/3/1/4/131437538/42cb4690f8.pdf
    • https://cdn.shopify.com/s/files/1/0432/7515/7670/files/xodunofoxetutekasugilomag.pdf
    • https://cdn.shopify.com/s/files/1/0432/6945/6028/files/jelodivapilaguzotirubije.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sovir.pdf
    • https://cdn.shopify.com/s/files/1/0435/9313/8333/files/9075262199.pdf
    • https://cdn.shopify.com/s/files/1/0431/2891/4087/files/un_convention_on_biological_diversity_1992.pdf
    • https://cdn.shopify.com/s/files/1/0433/9728/3992/files/wekuwaridulezitunakive.pdf
    • https://cdn.shopify.com/s/files/1/0433/2758/6457/files/ai_ay_a_e_worksheets.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000062ba.bin
bd16e1a7bac7d4eee0f80e02a539cfde34c3adb58dba6bbe656a9ad84dc785f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62BA 4988 bytes
font_01_sfnt_off000073d3.bin
938d1eaa8c126df239211bf07d1d94d1f69a7ac5c0bc0a3c9894be8426cb68c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73D3 10304 bytes
font_02_sfnt_off000096fe.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x96FE 4324 bytes

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