Malicious PDF — malware analysis report

Static analysis result for SHA-256 3cd1271583199c02…

MALICIOUS

PDF

44.9 KB Created: 2020-08-07 11:17:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ff5ef606e7f969cb87bdbcb0227dc10d SHA-1: e4b93f60346e4e7af8140fa13adfef1eadd81edd SHA-256: 3cd1271583199c021d34dd3097e75b813c93a44bd7edcd839c3694491b74d8cf
120 Risk Score

Malware Insights

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

The PDF contains a prominent link disguised as a system update notification, directing users to a malicious redirector. This link is intended to trick users into believing they need to update their Android operating system, leading them to a potentially harmful site. The PDF also hosts a large number of other links, many of which point to benign Shopify URLs, suggesting a link farm or SEO poisoning tactic to obscure the malicious redirector.

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/wb?keyword=manually%20update%20android%20operating%20system
    • http://files.numeracyteacher.com/uploads/1/3/1/3/131380029/wuvuwojadubeta_mivepemadiwuj_fefagifulif_duxidiwesexid.pdf
    • http://files.msbutchersclassroom.com/uploads/1/3/1/0/131069781/tipuv.pdf
    • http://files.agorapublications.net/uploads/1/3/2/6/132682570/4da5af8.pdf
    • http://files.joanrobertaryan.com/uploads/1/3/0/7/130739251/7910871.pdf
    • http://files.ruthyleephotography.com/uploads/1/3/1/4/131453990/fewuzuv-zixadabul-nomenaru-libina.pdf
    • https://cdn.shopify.com/s/files/1/0428/6906/3836/files/nanakugiwem.pdf
    • https://cdn.shopify.com/s/files/1/0430/4971/3817/files/farepuwafufewi.pdf
    • https://cdn.shopify.com/s/files/1/0434/3313/2184/files/hayward_sand_filter_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/0228/1633/files/28543602445.pdf
    • https://cdn.shopify.com/s/files/1/0431/6305/8333/files/78541477940.pdf
    • https://cdn.shopify.com/s/files/1/0434/8307/0630/files/lufovosagududonux.pdf
    • https://cdn.shopify.com/s/files/1/0434/3886/6584/files/dbt_skills_training_manual_download.pdf
    • https://cdn.shopify.com/s/files/1/0436/9642/3080/files/tokagamemoxoxedap.pdf
    • https://cdn.shopify.com/s/files/1/0440/2823/1830/files/download_lucci_56_nights.pdf
    • https://cdn.shopify.com/s/files/1/0433/2371/9845/files/tavujoz.pdf
    • https://cdn.shopify.com/s/files/1/0430/4093/1991/files/riteruxovamikulaguwenu.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_off0000707e.bin
cdd299d5282440b763bd6889933753145f5be65fc1d8cfbdce66906295ed6f26		 pdf-font-stream PDF embedded font (sfnt) at offset 0x707E 5384 bytes
font_01_sfnt_off000082cd.bin
67147e2d4a885705d0736e38418cc7876df082e421bd4ad748d6d0daf6af790c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x82CD 10288 bytes

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