Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6f42c59ae6a01f3…

MALICIOUS

PDF

49.8 KB Created: 2020-08-17 09:10:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ec7e48467d8459153bc774315ddcc5d SHA-1: 996086bc0714441f8f4b7e1b410c8eeac989059f SHA-256: a6f42c59ae6a01f3bad8ffb1e4eb3652f04752261164e2146fd7db3a47e063a8
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link redirects to a known malicious domain (ttraff.com). This indicates a social engineering attempt to drive traffic to malicious infrastructure. The document body contains garbled text but includes the malicious URL, suggesting it's part of the lure. 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.com/pify?keyword=new+bodo+album+2019
    • http://fedil.knockoutthepests.com/uploads/1/3/1/4/131411688/fejixivisoruka_mokorewofuselo_modaloroge_gevevapu.pdf
    • http://files.highfivegolfclub.com/uploads/1/3/0/7/130775503/pajubu.pdf
    • http://jipumib.pinehollowranch.com/uploads/1/3/1/0/131070109/guzolez.pdf
    • http://files.joe-blustein01.com/uploads/1/3/1/6/131606343/3945851.pdf
    • https://cdn.shopify.com/s/files/1/0430/9080/4885/files/aloysia_gratissima.pdf
    • https://cdn.shopify.com/s/files/1/0437/5448/7957/files/bonfiglioli_geared_motor_catalogue.pdf
    • https://cdn.shopify.com/s/files/1/0431/9494/1603/files/sublime_how_to_install_package.pdf
    • https://cdn.shopify.com/s/files/1/0433/0654/9406/files/81164513823.pdf
    • https://cdn.shopify.com/s/files/1/0437/0438/5686/files/b._s._shah_prakashan_books.pdf
    • https://cdn.shopify.com/s/files/1/0432/6447/5299/files/denver_doll_emporium.pdf
    • https://cdn.shopify.com/s/files/1/0433/5376/8090/files/raluvatugimex.pdf
    • https://cdn.shopify.com/s/files/1/0433/9207/3895/files/78985489659.pdf
    • https://cdn.shopify.com/s/files/1/0433/1687/1333/files/zakiferekuvolemiz.pdf
    • https://cdn.shopify.com/s/files/1/0434/3165/7638/files/15448033907.pdf
    • https://cdn.shopify.com/s/files/1/0450/8083/8309/files/design_and_analysis_of_algorithms_interview_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0433/4272/5275/files/duvimuferufisokal.pdf
    • https://cdn.shopify.com/s/files/1/0429/6962/8828/files/33830491211.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_off00006b9c.bin
ea78481deb1b97d6e88297246b9c5940539cdd52ba184e52bef70f2163c0ab25
pdf-font-stream PDF embedded font (sfnt) at offset 0x6B9C 5028 bytes
font_01_sfnt_off00007ccb.bin
c9d68b06524c6dcf914197e6cc8a5dca9761591fd88a115d5f8ff6b839a536f0
pdf-font-stream PDF embedded font (sfnt) at offset 0x7CCB 14628 bytes
font_02_sfnt_off0000aa9d.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c
pdf-font-stream PDF embedded font (sfnt) at offset 0xAA9D 4324 bytes