Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9fc5cdd2017d570…

MALICIOUS

PDF

63.1 KB Created: 2020-08-02 12:28:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7c38dd4ca19d95ae077616a1df13727e SHA-1: 280ece4af99b9b8d92cc43ddf69384ad4fad247e SHA-256: f9fc5cdd2017d570aa4d009b67ee03379ac171e3e5c57e5954f1d6ed952f00a8
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to a redirector service (ttraff.cc) and a link farm hosted on Shopify. The document body, though partially corrupted, includes the phrase 'how to make a jukebox in minecraft', suggesting a lure to attract clicks. The primary malicious URL identified is https://ttraff.cc/pify?keyword=how+to+make+a+jukebox+in+minecraft.

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=how+to+make+a+jukebox+in+minecraft
    • http://files.freshtracksracing.com/uploads/1/3/2/6/132681579/ximefaxifog.pdf
    • http://files.freebackgroundphotos.com/uploads/1/3/0/9/130969659/ribuwamagunazu_viwalitom_waninozenowig_gesetekupege.pdf
    • http://files.pjcsoco.org/uploads/1/3/0/7/130775084/pagip_tozujidozud_zopidedatefase.pdf
    • http://files.keepanopenmind.net/uploads/1/3/1/8/131857562/93abb6ec3b5e.pdf
    • http://files.studiobdancecenter.org/uploads/1/3/1/8/131871692/wujurugode.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/79894841610.pdf
    • https://cdn.shopify.com/s/files/1/0437/1133/2503/files/80363226560.pdf
    • https://cdn.shopify.com/s/files/1/0435/2265/4362/files/9862198270.pdf
    • https://cdn.shopify.com/s/files/1/0430/8297/3345/files/pabajemidafuwogikos.pdf
    • https://cdn.shopify.com/s/files/1/0433/3459/8809/files/14535444422.pdf
    • https://cdn.shopify.com/s/files/1/0434/0760/5923/files/pre_employment_physical_form.pdf
    • https://cdn.shopify.com/s/files/1/0432/0821/2638/files/degosamafudaxibame.pdf
    • https://cdn.shopify.com/s/files/1/0432/7201/1931/files/29670299711.pdf
    • https://cdn.shopify.com/s/files/1/0435/8009/6667/files/vadarekamukos.pdf
    • https://cdn.shopify.com/s/files/1/0430/5027/0869/files/jixare.pdf
    • https://cdn.shopify.com/s/files/1/0431/4624/8358/files/fenafipusunox.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_off0000ab2f.bin
86f6fe1af3ddabbc190c9cd632b4be28d3db73d45efaefc252b99f1f25c035e8
pdf-font-stream PDF embedded font (sfnt) at offset 0xAB2F 5100 bytes
font_01_sfnt_off0000bc85.bin
665840721271a9718f898fefee84ac8a9a820e1bd115f361a953523150d91a35
pdf-font-stream PDF embedded font (sfnt) at offset 0xBC85 10688 bytes
font_02_sfnt_off0000e109.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333
pdf-font-stream PDF embedded font (sfnt) at offset 0xE109 4324 bytes