Malicious PDF — malware analysis report

Static analysis result for SHA-256 4934bec03ecee9dc…

MALICIOUS

PDF

42.8 KB Created: 2020-08-31 13:55:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8448bf461880711075fbac68ce197135 SHA-1: c67d5dbf7cbb8161cc6f280e5032e640e923f4e0 SHA-256: 4934bec03ecee9dc5f3ca6c3681f6d45e6f55f8f52385f5f017c81d184a35755
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=my+talking+tom+game+hack+version'. This URL is presented within the document body, disguised as a lure for a game hack. The file also exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains hosting other PDFs. The primary malicious URL likely serves as a gateway to further malicious content or phishing pages.

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.ru/pify?keyword=my+talking+tom+game+hack+version
    • https://cdn.shopify.com/s/files/1/0427/4513/5260/files/fuzotafix.pdf
    • https://cdn.shopify.com/s/files/1/0438/6249/1286/files/vujufuguxolox.pdf
    • https://cdn.shopify.com/s/files/1/0440/2610/1910/files/9600038869.pdf
    • https://cdn.shopify.com/s/files/1/0431/6823/5675/files/59012158369.pdf
    • https://cdn.shopify.com/s/files/1/0429/8738/9087/files/ozuna_cardi_b_la_modelo_mp3_download.pdf
    • https://cdn.shopify.com/s/files/1/0429/8866/7034/files/ranegobifisuxafilalaw.pdf
    • https://cdn.shopify.com/s/files/1/0427/4572/5094/files/kakozibovazonomubepez.pdf
    • https://static.usrfiles.com/ugd/5ecadc_8ff754aa81a04292990a559ace262681.pdf
    • https://static.usrfiles.com/ugd/c345b0_62b83299891044099d977b59b96f873a.pdf
    • https://static.usrfiles.com/ugd/65b209_cdffde1d068f4e3996f0adf4ce2f5801.pdf
    • https://static.usrfiles.com/ugd/b8c837_a9b326143fe24e86aca53f7e7acfd20c.pdf
    • https://static.usrfiles.com/ugd/b910ae_fce62e0dc7a047468f5d5ca8f3836380.pdf
    • https://cdn.shopify.com/s/files/1/0430/5872/5018/files/ladutudinudijekolafita.pdf
    • https://cdn.shopify.com/s/files/1/0440/1148/7397/files/lavaweluduwa.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_off00005a0f.bin
140c498dd45c20df337b53b077e3fa3e3859a9c0da373e557c3d60e2d04db5f0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A0F 5232 bytes
font_01_sfnt_off00006bb6.bin
1556b5ab02e6b654d9974869a44d71b553b8c22dbde3aeb15ea1bff59c80ac69		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BB6 11296 bytes
font_02_sfnt_off0000906b.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x906B 4324 bytes

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