Malicious PDF — malware analysis report

Static analysis result for SHA-256 58b4b1ad42022685…

MALICIOUS

PDF

81.8 KB Created: 2020-08-30 23:03:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3eec67b1b6caf3385b062d1a75c3b7dd SHA-1: c1fa186567e39ed23df21a83cdc5afd89cf36e8d SHA-256: 58b4b1ad420226856a6bdf2db22ac25f253c51bab212deb12b2cdecabf94909e
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic indicating it's a malicious redirector link, pointing to a URL associated with 'mod organizer 2 skyrim vr'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The primary malicious URL is https://ttraff.me/wix?keyword=mod+organizer+2+skyrim+vr, which is likely used to redirect users to a malicious site. The document body, though heavily obfuscated, contains the same URL, reinforcing the lure.

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/wix?keyword=mod+organizer+2+skyrim+vr
    • https://static.usrfiles.com/ugd/de02f3_eb97bda9d47e4375be1b77793dbe15c0.pdf
    • https://static.usrfiles.com/ugd/c0b427_4d4d52c8496144be8f60db2607b716d2.pdf
    • https://static.usrfiles.com/ugd/c3548c_382642c194c545b9b223ed3716b50e55.pdf
    • https://cdn.shopify.com/s/files/1/0437/0425/4615/files/avery_5163_labels_template_word.pdf
    • https://cdn.shopify.com/s/files/1/0427/9861/2636/files/92311209843.pdf
    • https://cdn.shopify.com/s/files/1/0428/6945/7063/files/game_dev_story_ios.pdf
    • https://cdn.shopify.com/s/files/1/0434/5564/3813/files/cds_exam_pattern_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/8349/7623/files/lipid_panel_report_normal_values.pdf
    • https://cdn.shopify.com/s/files/1/0434/5928/1061/files/31451879434.pdf
    • https://cdn.shopify.com/s/files/1/0428/9078/9020/files/cadmium_toxicity_in_humans.pdf
    • https://cdn.shopify.com/s/files/1/0434/0865/4492/files/chromosome_structure_and_packaging_of_dna.pdf
    • https://cdn.shopify.com/s/files/1/0436/3255/8240/files/how_to_save_webpage_as.pdf
    • https://cdn.shopify.com/s/files/1/0437/4609/9349/files/cavidad_corporal.pdf
    • https://cdn.shopify.com/s/files/1/0431/9654/7230/files/31713623257.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_off0001035e.bin
7363cef07a1e30982159a701f07efa6afe2e366b8c86ad04016e7003e585e227		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1035E 5524 bytes
font_01_sfnt_off00011639.bin
2c154850bbaa5bbc9c9c3a659e48da331680c9a868892c7a04cf3417f9072da4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11639 10464 bytes

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