Malicious PDF — malware analysis report

Static analysis result for SHA-256 ace3e12957eda0fd…

MALICIOUS

PDF

42.6 KB Created: 2020-08-31 17:41:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 43cd07eb6af82bbc450d90ae2d6cfba6 SHA-1: f1e2213ff8cadf0e0811d47f9abae3cd1f86025e SHA-256: ace3e12957eda0fd1f278bc2850a78662a60188976aae4bde06b7b2a3524db9f
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs. One of these links, however, redirects to a known malicious infrastructure at 'ttraff.cc'. This suggests a link farm or SEO poisoning tactic designed to lure users to malicious content. The document body itself contains garbled text and URLs, further supporting the malicious intent.

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.cc/wix?keyword=hemoglobinuria+parox%25C3%25ADstica+nocturna+pdf
    • https://cdn.shopify.com/s/files/1/0428/1267/0111/files/88062474600.pdf
    • https://cdn.shopify.com/s/files/1/0434/4102/9276/files/36863033233.pdf
    • https://cdn.shopify.com/s/files/1/0429/6700/7386/files/kathi_villain_bgm_ringtones.pdf
    • https://cdn.shopify.com/s/files/1/0462/8126/1205/files/62997890950.pdf
    • https://cdn.shopify.com/s/files/1/0432/6971/8176/files/giwixijojavabutomipuw.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jonexosorovofevovu.pdf
    • https://cdn.shopify.com/s/files/1/0431/3504/1693/files/jilodux.pdf
    • https://cdn.shopify.com/s/files/1/0428/4488/1059/files/gelatin_sheets_for_gingerbread_house_windows.pdf
    • https://cdn.shopify.com/s/files/1/0431/9664/5538/files/examples_of_action_research_papers_in_education.pdf
    • https://cdn.shopify.com/s/files/1/0435/8914/0643/files/casio_se-_5800_manual.pdf
    • https://cdn.shopify.com/s/files/1/0462/4433/1674/files/hungarian_rhapsody_piano_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0434/1461/8277/files/piledudagazobizo.pdf
    • https://cdn.shopify.com/s/files/1/0439/5306/2043/files/32029786123.pdf
    • https://cdn.shopify.com/s/files/1/0432/3006/8894/files/gonovapofon.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_off0000629d.bin
82d9d46007e3d2b95c85be2b872fbf7e12e96fe43e17f2eb8453f584ec7ccd87		 pdf-font-stream PDF embedded font (sfnt) at offset 0x629D 5696 bytes
font_01_sfnt_off000075eb.bin
2715557665d61d44e27cc341f40f31cc86201b2231ff2834dfb69ab4e5d60d2a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75EB 11720 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.