Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ad0defebd7712c6…

MALICIOUS

PDF

50.6 KB Created: 2020-09-03 19:45:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 950f47f2e99931a5d817594d02239cfe SHA-1: 7ee29282bae1dc3a90b52ce1422ae2f8df0f3742 SHA-256: 2ad0defebd7712c69665ffbe3c2777f32379e51a54306cd61437afcae75339c9
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic firing indicates a malicious redirector link to 'ttraff.club', which is likely the primary malicious destination. The document body, though heavily corrupted, contains the URL 'https://ttraff.club/wix?keyword=rsv+bible+catholic+edition+free', suggesting a lure related to a Bible edition. The presence of numerous external links, including the malicious redirector, indicates an attempt to drive traffic to potentially harmful content.

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.club/wix?keyword=rsv+bible+catholic+edition+free
    • https://cdn.shopify.com/s/files/1/0434/6911/1448/files/hiren_boot_cd_15._2_iso_file.pdf
    • https://cdn.shopify.com/s/files/1/0431/0997/4169/files/astronomy_today_9th_edition_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/9604/7783/files/88085641323.pdf
    • https://cdn.shopify.com/s/files/1/0432/7460/0598/files/wujafukakojupafavof.pdf
    • https://cdn.shopify.com/s/files/1/0435/5942/0063/files/28489560593.pdf
    • https://cdn.shopify.com/s/files/1/0437/2342/3912/files/saddle_point_in_game_theory.pdf
    • https://cdn.shopify.com/s/files/1/0428/2050/1660/files/aka_akaya_aka_jehovah.pdf
    • https://cdn.shopify.com/s/files/1/0437/8918/9272/files/pebukoseweriduvisujobenu.pdf
    • https://cdn.shopify.com/s/files/1/0431/6866/1670/files/bilging_and_permeability.pdf
    • https://cdn.shopify.com/s/files/1/0430/0505/1029/files/82656611553.pdf
    • https://cdn.shopify.com/s/files/1/0432/5359/6310/files/tokewapuxiwatutusopebezu.pdf
    • https://cdn.shopify.com/s/files/1/0434/1301/2636/files/buick_manual_transmission.pdf
    • https://cdn.shopify.com/s/files/1/0436/3013/3408/files/najugiravaripap.pdf
    • https://cdn.shopify.com/s/files/1/0433/9191/0038/files/74570356251.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006759.bin
db3f554eeb889541706d2d9f946170cf9b9312759a0a4e4f48fbd035510e5492
pdf-font-stream PDF embedded font (sfnt) at offset 0x6759 5316 bytes
font_01_sfnt_off0000796b.bin
7420db9ec41012b263dff8e0d039d2a895961a6b4c1647eabbcd20f441fad98a
pdf-font-stream PDF embedded font (sfnt) at offset 0x796B 1936 bytes
font_02_sfnt_off000082b2.bin
0f6e54bbd5b782dc4b27c838961724c6b48789fbedabc36d621f22fd658ff632
pdf-font-stream PDF embedded font (sfnt) at offset 0x82B2 11028 bytes
font_03_sfnt_off0000a857.bin
9af6fc3bf9d751f70540aea0fa47faa159a3604992cda23d2adcda3ffc5346b2
pdf-font-stream PDF embedded font (sfnt) at offset 0xA857 16092 bytes