Malicious PDF — malware analysis report

Static analysis result for SHA-256 989c48a12f64e225…

MALICIOUS

PDF

48.3 KB Created: 2020-08-30 08:42:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3d4e089ffe4faf075c6802ee29b1f7cd SHA-1: 843bfdda5b441994ebd1b3a085ec94e339d50766 SHA-256: 989c48a12f64e22525413b3cfcf1e77798f7dac3251b926b0e1f6954bca9ed48
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to a URL designed to look like a game unlock code generator. The document body, though heavily obfuscated, contains the same malicious URL and references to "sniper ghost warrior unlock code gen", reinforcing the lure. The PDF also contains a large number of external links, many hosted on Shopify, which is flagged as a link farm. No scripts were extracted from this sample.

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/wix?keyword=sniper+ghost+warrior+unlock+code+gen
    • https://cdn.shopify.com/s/files/1/0431/7960/6177/files/themes_in_american_literature.pdf
    • https://cdn.shopify.com/s/files/1/0433/1952/5534/files/guguxevelezeli.pdf
    • https://cdn.shopify.com/s/files/1/0432/5477/5970/files/ranibatusadanopevigi.pdf
    • https://cdn.shopify.com/s/files/1/0435/0879/3510/files/pukinitevepelupaser.pdf
    • https://cdn.shopify.com/s/files/1/0441/2122/7416/files/decimal_problems_6th_grade_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0431/6492/6111/files/quran_para_1_30_urdu_translation.pdf
    • https://static.usrfiles.com/ugd/b8c837_2f01ff7c3d394347bf32dd19df69c6b9.pdf
    • https://static.usrfiles.com/ugd/cc03df_076cd57dd6d149f08e0086b1b4a743ef.pdf
    • https://static.usrfiles.com/ugd/b8c837_66acace23f7948cab8c857045f26fa7b.pdf
    • https://static.usrfiles.com/ugd/824332_a53618d9d1224553a5b61b04cc9b6a91.pdf
    • https://static.usrfiles.com/ugd/c7a620_e459a149701e434fb1c1f22ba0895ee8.pdf
    • https://cdn.shopify.com/s/files/1/0432/0398/5570/files/android_9._0_samsung_s9.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/4155504299.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005fc4.bin
43b958c4c5e4bccb8a7629111245b3ca0d856afd1dffea17b81b4b2b8af78db8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FC4 5592 bytes
font_01_sfnt_off000072c6.bin
c76a789038fe9dfb18a005a8cbd9b59b5b3ba231a5f420a59ae596232eb8e1d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72C6 14052 bytes
font_02_sfnt_off00009f02.bin
71fec8a3adfe41455811528c654ef740a0d97889ddd19e39e153b04b7507b7f0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F02 16160 bytes

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