Malicious PDF — malware analysis report

Static analysis result for SHA-256 fce5a490e7ba46da…

MALICIOUS

PDF

56.7 KB Created: 2020-08-22 22:43:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7982fa20afc43033ac2f196c7a261de8 SHA-1: 357123860bd8c8ac42c4bebfcba187286327b36e SHA-256: fce5a490e7ba46dad8a22d6484e0deb459953cf9e629339779c81e6c7631c56c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1204.001 Malicious Link T1566.002 Spearphishing Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Additionally, it exhibits a high severity heuristic for a browser extension installation lure, a common social-engineering tactic. The document body, though partially corrupted, contains the target URL and references to 'cyberduck mac sierra', suggesting a pretext for the malicious link. The numerous embedded benign Shopify links appear to be part of a link farm to improve SEO for the malicious redirector.

Heuristics 4

  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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=cyberduck++mac+sierra
    • http://files.sustainablecharleston.com/uploads/1/3/1/6/131606289/vamixepegujepaso.pdf
    • http://files.playmusiccompany.com/uploads/1/3/1/4/131483343/xurepu.pdf
    • http://files.azsmashersbaseballandsoftball.net/uploads/1/3/1/6/131606630/dazavib_rubefux_dekebokoto_zegijibixezuvuf.pdf
    • https://cdn.shopify.com/s/files/1/0440/3239/3366/files/cammesa_informe_anual_2018.pdf
    • https://cdn.shopify.com/s/files/1/0429/7113/6154/files/25000578208.pdf
    • https://cdn.shopify.com/s/files/1/0436/9544/0040/files/76409297184.pdf
    • https://cdn.shopify.com/s/files/1/0437/9443/2161/files/alina_baraz_make_you_feel_song.pdf
    • https://cdn.shopify.com/s/files/1/0440/8524/8165/files/veveveximapegiwiravapa.pdf
    • https://cdn.shopify.com/s/files/1/0427/4988/6620/files/ias_23_borrowing_costs_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0431/2501/4679/files/xakimujajivugo.pdf
    • https://cdn.shopify.com/s/files/1/0430/9542/5191/files/patunovepagetafepiwukekop.pdf
    • https://cdn.shopify.com/s/files/1/0428/9635/9580/files/86026921758.pdf
    • https://cdn.shopify.com/s/files/1/0435/1570/7551/files/37379041296.pdf
    • https://cdn.shopify.com/s/files/1/0428/2574/4547/files/59744687684.pdf
    • https://cdn.shopify.com/s/files/1/0431/0476/4068/files/applied_medical_anthropology.pdf
    • https://cdn.shopify.com/s/files/1/0431/7567/4024/files/mutidaxobisajituvajasevu.pdf
    • https://cdn.shopify.com/s/files/1/0431/9304/1053/files/lusowujab.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006543.bin
140ce24c37e7c14c683fabead54692d1e01142062bd1b13774b668dfecfdc1f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6543 5192 bytes
font_01_sfnt_off00007767.bin
b4364d3f34981802b1c53b25e095904a286cad72313de53078c38ba9183a6012		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7767 5264 bytes
font_02_sfnt_off0000892e.bin
4a4789a2b9bae5df1d1f7d8744166e396e9282a860cf440d86fdf2715c321b2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x892E 5848 bytes
font_03_sfnt_off000097e3.bin
4b086c1da06defa227e5f5aa03dcad18ed889c88e5c29c8b9856878992c98525		 pdf-font-stream PDF embedded font (sfnt) at offset 0x97E3 10456 bytes
font_04_sfnt_off0000bbea.bin
46612466248950ce13229f7072829203543e8f443b32835b0a4eb435efc3c58e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBBEA 17028 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.