Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee94b5de46842892…

MALICIOUS

PDF

40.4 KB Created: 2020-09-06 07:23:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6632d703981ea91a012ccea84f7c9866 SHA-1: 82eebed196d86707c3bfab9b3f540af6be859e8c SHA-256: ee94b5de46842892261e1024766c96ceb30934010db38aaa3f0a845c6f0b2aa9
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.me'. The document body, though heavily obfuscated, contains a URL that matches this redirector. This suggests the primary intent is to redirect the user to malicious content, likely for phishing or malware distribution. No scripts were extracted, limiting further analysis of the payload.

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.me/pify?keyword=section+375+imdb+parents+guide
    • https://cdn.shopify.com/s/files/1/0433/9387/6118/files/applied_linear_statistical_models_kutner.pdf
    • https://cdn.shopify.com/s/files/1/0435/0086/3640/files/free_tracing_letters_and_numbers_for_preschoolers.pdf
    • https://cdn.shopify.com/s/files/1/0433/9456/4252/files/jevuxuxajatekota.pdf
    • https://cdn.shopify.com/s/files/1/0428/9291/8947/files/75096936512.pdf
    • https://cdn.shopify.com/s/files/1/0436/3013/3406/files/kijemukevoniwamevizinoge.pdf
    • https://cdn.shopify.com/s/files/1/0438/6603/0245/files/blog_post_template_google_docs.pdf
    • https://cdn.shopify.com/s/files/1/0431/0843/4081/files/rule34_felix_argyle.pdf
    • https://cdn.shopify.com/s/files/1/0433/9010/7815/files/new_headway_beginner_4th_edition_download.pdf
    • https://cdn.shopify.com/s/files/1/0447/8215/7981/files/bojosiwub.pdf
    • https://cdn.shopify.com/s/files/1/0436/4828/6880/files/57872801575.pdf
    • https://static.usrfiles.com/ugd/b28561_9134b11de5cb4a0991822f1900804ed3.pdf
    • https://static.usrfiles.com/ugd/66c878_f8bd876b28c7458997682e43a8964954.pdf
    • https://static.usrfiles.com/ugd/80c1db_7d5f3014917c437db8d15176fc1de781.pdf
    • https://static.usrfiles.com/ugd/e745be_f7ba63cfddf64122b30c1aadba007cd9.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_off00005d39.bin
2d549ec873981c3129a588ecfd16245f1450a50a1dd27ec28ec19e824f2439b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D39 5972 bytes
font_01_sfnt_off00007173.bin
84ab42f8a1c88ef3efec9a3e1304f3677d9550b17f0aa5690bb1b5478894379c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7173 10440 bytes

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