Malicious PDF — malware analysis report

Static analysis result for SHA-256 d371fa22622f10a0…

MALICIOUS

PDF

46.0 KB Created: 2020-08-25 09:47:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 44716c8e134f9e66f376637e9af83aa0 SHA-1: 5d6523941bea67f66cd9161c3d4a08dfcc37ad1e SHA-256: d371fa22622f10a01374b39aa209575472c092afb6d7009bbbdb273ba8061fa6
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at `https://ttraff.ru/pify?keyword=majesty+2+maps`. This indicates the document's primary purpose is to redirect users to malicious infrastructure. No scripts were extracted from this sample.

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.ru/pify?keyword=majesty+2+maps
    • http://files.themysticgrounds.com/uploads/1/3/1/0/131070792/f373b2964.pdf
    • https://cdn.shopify.com/s/files/1/0430/7963/1012/files/29559336889.pdf
    • https://cdn.shopify.com/s/files/1/0429/6939/9452/files/8520576951.pdf
    • https://cdn.shopify.com/s/files/1/0432/2577/6288/files/minecraft_team_extreme_download.pdf
    • https://cdn.shopify.com/s/files/1/0438/4853/2128/files/net_core_netdev_max_backlog.pdf
    • https://cdn.shopify.com/s/files/1/0438/2598/7734/files/kaminal_juyu.pdf
    • https://cdn.shopify.com/s/files/1/0437/6775/8999/files/govula.pdf
    • https://cdn.shopify.com/s/files/1/0433/6707/1894/files/tubonemew.pdf
    • https://cdn.shopify.com/s/files/1/0433/9482/6405/files/kobalt_miter_saw_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/1274/2555/files/zaxes.pdf
    • https://cdn.shopify.com/s/files/1/0432/3780/2146/files/quick_camera_hidden_camera_apk.pdf
    • https://cdn.shopify.com/s/files/1/0429/5124/5987/files/fizuzibula.pdf
    • https://cdn.shopify.com/s/files/1/0457/3167/6326/files/votoz.pdf
    • https://cdn.shopify.com/s/files/1/0437/6713/6413/files/megepisiwanewu.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_off00006a21.bin
a2c42fa68657ab25646ff6762ffb1f537322c2a98833900c1d1bcd963adb6fe0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A21 4676 bytes
font_01_sfnt_off00007a1d.bin
6724f1fba7cb93b048ad484e7f6c396d2332a6cb4ed86948fae431227e0baef9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A1D 10420 bytes
font_02_sfnt_off00009daf.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9DAF 4324 bytes

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