Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae7d8a778f1fcad2…

MALICIOUS

PDF

71.5 KB Created: 2020-09-02 03:24:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 96031b94edc82035f8fcdd950d7d3587 SHA-1: 58dd1f8b002c5882fc603dbcd17a463819e431ae SHA-256: ae7d8a778f1fcad2af5061f2d233f2c58702c024660d2f233cb1a1fb449c878a
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.me'. Additionally, it exhibits a PDF link farm heuristic, with numerous links to external PDFs, many hosted on Shopify. The document body, though heavily corrupted, contains the same malicious URL. This indicates a social engineering attempt to redirect users to malicious infrastructure, likely for further exploitation or phishing.

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=link%2527+s+awakening+review+game+informer
    • https://cdn.shopify.com/s/files/1/0433/3672/8735/files/atomic_habits_journal.pdf
    • https://cdn.shopify.com/s/files/1/0430/8919/9268/files/bakutixesozofiwovuzox.pdf
    • https://cdn.shopify.com/s/files/1/0430/7563/3306/files/negritude_dans_balafon.pdf
    • https://static.usrfiles.com/ugd/fe0276_d4a0bea96b7c4f858d819dc8bc017a1c.pdf
    • https://static.usrfiles.com/ugd/f46427_7dfe5bb4b9d94657b05ff0a233c0e04f.pdf
    • https://static.usrfiles.com/ugd/b8c837_62b78e39804f440782b6e0176d7cc81b.pdf
    • https://cdn.shopify.com/s/files/1/0430/5915/1009/files/cpr_guideline.pdf
    • https://cdn.shopify.com/s/files/1/0432/9239/3640/files/mock_heroic_examples.pdf
    • https://cdn.shopify.com/s/files/1/0434/2772/5474/files/beautiful_creatures_book_online_free.pdf
    • https://cdn.shopify.com/s/files/1/0428/5802/1027/files/pelilorazeviropumupival.pdf
    • https://cdn.shopify.com/s/files/1/0431/0705/7825/files/reduce_size_acrobat_online.pdf
    • https://cdn.shopify.com/s/files/1/0429/1778/9863/files/62479403667.pdf
    • https://cdn.shopify.com/s/files/1/0435/6177/9359/files/mozavodilagesekofebakof.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_off0000af2f.bin
8ae04474f90055fde963f639bd0680be4c92ed90594c6ab06b46740439de5ba9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAF2F 13460 bytes
font_01_sfnt_off0000daaf.bin
3fa078d2950e38f7249b9f04cf52e26a53b3734553491f3ebf27ff4a6ed94d76		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDAAF 5248 bytes
font_02_sfnt_off0000ec9d.bin
1b118c2fd08df8ff58acd9b7414f57963c2dc044db111a6254712df0d1f45d10		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEC9D 10552 bytes

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