Malicious PDF — malware analysis report

Static analysis result for SHA-256 26bf35ebeb88b665…

MALICIOUS

PDF

41.1 KB Created: 2020-08-19 07:17:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6c3c9ba846dd01cb87038d49f08349c8 SHA-1: ee6eec5e19b60f5f1fec137a07359c9a5319e44a SHA-256: 26bf35ebeb88b665b367e283ad940b6e9b1e3356d327fb45ea0c501606430e0e
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to seemingly benign Shopify URLs, but one critical link redirects to a known malicious domain (ttraff.cc). This suggests a phishing or redirection attack aimed at compromising users. The document body contains garbled text and what appears to be a reference to the malicious URL, further supporting this conclusion.

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/pify?keyword=captain+tsubasa+zero+kimero+miracle+shot+apk
    • http://jotigogi.daishaenos.com/uploads/1/3/1/0/131069759/moxesifixifak.pdf
    • http://files.chrispearceramwell.com/uploads/1/3/1/4/131407692/7614935.pdf
    • http://files.bluegooseregina.com/uploads/1/3/0/7/130775441/wuxoso.pdf
    • http://files.freedomhoops.org/uploads/1/3/1/3/131381804/6367850.pdf
    • http://files.rotarykwinanafurnitureonline.com/uploads/1/3/0/7/130739517/moliwirawapa.pdf
    • https://cdn.shopify.com/s/files/1/0432/9832/4638/files/chemical_bonding_practice_questions.pdf
    • https://cdn.shopify.com/s/files/1/0429/2778/4099/files/the_bible_old_testament.pdf
    • https://cdn.shopify.com/s/files/1/0431/7960/6177/files/cisco_ccna_1_introduction_to_networks.pdf
    • https://cdn.shopify.com/s/files/1/0432/7879/4920/files/organismal_ecology.pdf
    • https://cdn.shopify.com/s/files/1/0433/9197/5580/files/rewena.pdf
    • https://cdn.shopify.com/s/files/1/0432/6916/1110/files/ramujanozusopigux.pdf
    • https://cdn.shopify.com/s/files/1/0432/1152/2209/files/nogif.pdf
    • https://cdn.shopify.com/s/files/1/0434/8228/4194/files/foxy-_app-_landing-_page-_template_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bepojarovizezeba.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_off00006270.bin
08bc8b645ab70c6717e6a235e4050e2e17e1ccc77558306af4b2ba2e80ae32ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6270 5332 bytes
font_01_sfnt_off00007468.bin
382a14b933d787d3cebaeb812e9c8aaedeabd527d2b1cee5553df279f7bb4b54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7468 10208 bytes

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