Malicious PDF — malware analysis report

Static analysis result for SHA-256 e29c89f95f74d9ad…

MALICIOUS

PDF

41.9 KB Created: 2020-08-09 19:50:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8232e0064c509b53994bbf4c342f5627 SHA-1: 6338c0310b0b282cc52ac14006ebdb2dbe3725e9 SHA-256: e29c89f95f74d9adfc7f9d37e4f1935d2eeadc527c71e758c82c985b0167d553
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.cc, which is disguised with a keyword related to firearms. This suggests a social engineering attempt to lure the user to malicious content. The document body, though partially corrupted, also contains the same URL, reinforcing the malicious intent. The presence of numerous other links to Shopify, many of which are also PDFs, indicates a link farm strategy to potentially improve search engine ranking or distribute malicious 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.cc/pify?keyword=tipos+de+calibres+de+armas+de+fuego+pdf
    • http://fifuz.sportmomsandmore.com/uploads/1/3/0/7/130740178/5adcdabf0f.pdf
    • http://files.rootsdesigncompany.com/uploads/1/3/1/6/131606431/7097172.pdf
    • http://fameva.sarahsbutterfliesfoundation.com/uploads/1/3/1/6/131637316/zubewimubakilasi.pdf
    • http://files.psychchange.org/uploads/1/3/1/8/131856636/5836330.pdf
    • https://cdn.shopify.com/s/files/1/0439/1639/4648/files/79031724295.pdf
    • https://cdn.shopify.com/s/files/1/0432/7001/3086/files/wilurasabotaxirat.pdf
    • https://cdn.shopify.com/s/files/1/0434/4463/3756/files/23357285104.pdf
    • https://cdn.shopify.com/s/files/1/0436/0473/8206/files/random_sampling_advantages_and_disadvantages.pdf
    • https://cdn.shopify.com/s/files/1/0438/4551/7469/files/69478666858.pdf
    • https://cdn.shopify.com/s/files/1/0432/3196/9438/files/farotobirifurikimoxudi.pdf
    • https://cdn.shopify.com/s/files/1/0431/5018/0503/files/botany_of_desire.pdf
    • https://cdn.shopify.com/s/files/1/0432/7381/4171/files/topefo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fejatomamegebuwugibuvu.pdf
    • https://cdn.shopify.com/s/files/1/0433/5036/0232/files/52949062076.pdf
    • https://cdn.shopify.com/s/files/1/0430/1537/2949/files/zepitikumejukaxowanur.pdf
    • https://cdn.shopify.com/s/files/1/0427/8360/4903/files/senizigalipamawogatofi.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_off000062cc.bin
2bec9442c2bad8e1e1dba759b3996fb2a15c4bd1f6a0ab00daad23a81247760a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62CC 5564 bytes
font_01_sfnt_off0000759c.bin
116bfc7930f7d1a8e8077b9987654683baa623bf48a6eab77e664b5797e40170		 pdf-font-stream PDF embedded font (sfnt) at offset 0x759C 11472 bytes

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