Malicious PDF — malware analysis report

Static analysis result for SHA-256 2997b7735bd8bb83…

MALICIOUS

PDF

43.5 KB Created: 2020-08-23 03:57:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6d0267b9433a555790ab2f57d858b289 SHA-1: f0f3c7e2b11937db6d683798afce33c946ac813e SHA-256: 2997b7735bd8bb831b09e55184c17e2cae661179061b703734903026ff11cb64
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 a link farm hosted on cdn.shopify.com. One prominent link, disguised as a software trial offer for 'Adobe audition cs6 trial free', redirects through a malicious domain (ttraff.cc). This suggests a social engineering attack aimed at tricking users into visiting malicious infrastructure, likely for further exploitation or credential harvesting.

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=adobe+audition+cs6+trial+free
    • http://files.friendsofmosaicacademy.org/uploads/1/3/1/1/131163851/rafufedapitige-zisamaledevupeg-dinoz.pdf
    • http://wopugi.mchfcoonhound.com/uploads/1/3/1/3/131380999/xujaxijaratupuk.pdf
    • http://files.californiacalvarynaz.org/uploads/1/3/0/8/130874060/1945519.pdf
    • http://files.odpeople.com/uploads/1/3/1/4/131411539/6970743.pdf
    • https://cdn.shopify.com/s/files/1/0437/9531/6896/files/92913568569.pdf
    • https://cdn.shopify.com/s/files/1/0453/9170/8328/files/common_core_sheets_multiplication_vertical_answers.pdf
    • https://cdn.shopify.com/s/files/1/0430/1121/1417/files/instagram_apk_all_version.pdf
    • https://cdn.shopify.com/s/files/1/0434/3840/7845/files/g_m_c_ka_full_form.pdf
    • https://cdn.shopify.com/s/files/1/0465/4596/1118/files/case_animatronics_2.pdf
    • https://cdn.shopify.com/s/files/1/0434/1222/6200/files/fifebemabulivogomo.pdf
    • https://cdn.shopify.com/s/files/1/0431/6558/1469/files/kadinafesexesesixojin.pdf
    • https://cdn.shopify.com/s/files/1/0430/8677/4436/files/39311760642.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fexofedome.pdf
    • https://cdn.shopify.com/s/files/1/0447/2753/3724/files/kelodumesulujunevumudevo.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_off00006b3a.bin
e2452ad97f084bde6d213e962adf10594e2526cd71cb9102630cc6d17b60cbc0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B3A 5296 bytes
font_01_sfnt_off00007d49.bin
663b0268d6eb7529ed7ffee5cc43d63021973f09c1edc08dcec48ecdc2e8cae6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D49 10536 bytes

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