Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c211caa73157af5…

MALICIOUS

PDF

40.1 KB Created: 2020-08-10 17:57:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 89f9575e4449326f9322a7a6496791f3 SHA-1: 7215a1c76c02bd61f6dc7bbc6f011940fc78ee0a SHA-256: 2c211caa73157af5a01e9e527abead66b2ce84a024bcccf9b10814e15aaa8783
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a phishing or malware distribution site. The document body and embedded URLs suggest a lure related to song lyrics or downloadable documents, a common tactic for social engineering. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, many hosted on Shopify, which are likely part of a link farm to improve search engine ranking for malicious content.

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=great+is+your+faithfulness+lyrics+pdf
    • http://files.reyburnactivities.com/uploads/1/3/0/7/130776673/wodatamog.pdf
    • http://files.estherleecounselor.com/uploads/1/3/1/4/131453610/xizib_mupowes_kokowikikiju_selener.pdf
    • http://files.radiatinghope.org/uploads/1/3/1/3/131398598/2307514.pdf
    • https://cdn.shopify.com/s/files/1/0438/6937/2576/files/waporu.pdf
    • https://cdn.shopify.com/s/files/1/0431/0610/7552/files/55056579981.pdf
    • https://cdn.shopify.com/s/files/1/0430/4538/8442/files/5233502561.pdf
    • https://cdn.shopify.com/s/files/1/0440/8056/2326/files/75354533564.pdf
    • https://cdn.shopify.com/s/files/1/0435/5453/7624/files/can_you_add_text_to_document.pdf
    • https://cdn.shopify.com/s/files/1/0429/7284/0090/files/dowodumurokavafifiludumen.pdf
    • https://cdn.shopify.com/s/files/1/0430/1560/2337/files/sijupuvezapisojolakaf.pdf
    • https://cdn.shopify.com/s/files/1/0432/5765/9560/files/no_plot_no_problem.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mijafovaginidobu.pdf
    • https://cdn.shopify.com/s/files/1/0427/7652/7014/files/26501767203.pdf
    • https://cdn.shopify.com/s/files/1/0431/2036/1629/files/contoh_undangan_yasinan.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_off0000516c.bin
97385e00fc3c9a8ad8f799151950f0cd59e398a3c9375316fe68470176a9aeec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x516C 5256 bytes
font_01_sfnt_off0000634c.bin
946094c9d608e233beeaba6cb9ed5ee9a5b5cfea69e9bb1226b4bb4b38ac77aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x634C 10048 bytes
font_02_sfnt_off000085a5.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0x85A5 4324 bytes

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