Malicious PDF — malware analysis report

Static analysis result for SHA-256 85e11a0f1aee6e0a…

MALICIOUS

PDF

40.2 KB Created: 2020-09-01 09:29:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e47c3c4936d30e6483694922925916ca SHA-1: ff5eb1b4fa594cff72271f8c99b9aaadb17f23ab SHA-256: 85e11a0f1aee6e0acec44b051ea51e01940a77c749f2f11eb95a6373009b66cb
130 Risk Score

Malware Insights

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

The PDF contains a prominent link that redirects to a known malicious URL, disguised as a movie download. This is further supported by heuristics indicating a malicious redirector link and a link farm designed for SEO manipulation. The document body contains garbled text but includes the malicious URL and a movie title, reinforcing the lure.

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.cc/pify?keyword=wonder+woman+full+movie++fzmovies
    • https://cdn.shopify.com/s/files/1/0440/9357/1224/files/zejepo.pdf
    • https://cdn.shopify.com/s/files/1/0434/0944/0917/files/59039381536.pdf
    • https://cdn.shopify.com/s/files/1/0464/5971/5752/files/runestones_witcher_3.pdf
    • https://cdn.shopify.com/s/files/1/0436/5657/7182/files/facilitating_learning_let_reviewer_with_answers.pdf
    • https://cdn.shopify.com/s/files/1/0431/2704/6298/files/97040545873.pdf
    • https://static.usrfiles.com/ugd/67e251_2f660ff6f6664fafac460b04a01175b9.pdf
    • https://static.usrfiles.com/ugd/de65f7_731b14a442be4b74ae3fd1f83491bbd4.pdf
    • https://static.usrfiles.com/ugd/d63aaf_3ee59e017cf74539bb3c4aa55648116e.pdf
    • https://static.usrfiles.com/ugd/b8c837_9ee1c28aca8949a5a4f2c35802287cec.pdf
    • https://static.usrfiles.com/ugd/e5a943_9d1b9a55eaf144fcb4114d17a542fe9c.pdf
    • https://cdn.shopify.com/s/files/1/0435/7275/6648/files/29376146259.pdf
    • https://cdn.shopify.com/s/files/1/0436/5415/2342/files/tigofepo.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_off00005f47.bin
75a99f8c03b7819cd081b7c22353134551973abd7a62241576ad97677cb42380		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F47 5268 bytes
font_01_sfnt_off00007140.bin
22d72df6a9b87f142608a9dfc7e452ec574beae7a31fa9b180e9c07f947a9f4b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7140 10680 bytes

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