Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa5ac386a13a9c46…

MALICIOUS

PDF

46.5 KB Created: 2020-08-20 04:46:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8cb435e8ea5e04142858be565b8d808c SHA-1: 30766fa57e261084aa61278a04ee18b02a34adf6 SHA-256: fa5ac386a13a9c4619f00742d6631fdded7ffff31a77efcfd46f7134ff087c72
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'Magic the Gathering Arena Dominaria Draft Guide', which is then followed by the malicious URL. This suggests a phishing or scam attempt to redirect users to malicious infrastructure.

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.cc/pify?keyword=magic+the+gathering+arena+dominaria+draft+guide
    • http://wobokilul.audaciousadmin.com/uploads/1/3/0/9/130969335/164420c4a.pdf
    • http://zoxim.uluwatustudio.com/uploads/1/3/0/7/130775169/7887515.pdf
    • https://cdn.shopify.com/s/files/1/0437/8787/8549/files/25416654260.pdf
    • https://cdn.shopify.com/s/files/1/0434/2258/0886/files/58624522093.pdf
    • https://cdn.shopify.com/s/files/1/0438/4574/6838/files/45148711758.pdf
    • https://cdn.shopify.com/s/files/1/0435/1868/9432/files/48689481943.pdf
    • https://cdn.shopify.com/s/files/1/0461/7466/6905/files/40054175321.pdf
    • https://cdn.shopify.com/s/files/1/0433/8306/2678/files/linking_verb_worksheets.pdf
    • https://cdn.shopify.com/s/files/1/0446/7766/0825/files/xizuterowa.pdf
    • https://cdn.shopify.com/s/files/1/0437/8873/0525/files/95904898025.pdf
    • https://cdn.shopify.com/s/files/1/0431/0158/5570/files/96597654265.pdf
    • https://cdn.shopify.com/s/files/1/0430/8323/5489/files/72710399576.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_off0000785d.bin
80c0420e91c74fc4186293e389f21bf3e9f5c3bdb48800c06fa7fe18a32ddb18		 pdf-font-stream PDF embedded font (sfnt) at offset 0x785D 5232 bytes
font_01_sfnt_off000089f8.bin
400a6c3179fef62329778e00a9eb54cd4501aa5bf889d090101840c7ed0df194		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89F8 10288 bytes

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