Malicious PDF — malware analysis report

Static analysis result for SHA-256 9530d7cee5815d7a…

MALICIOUS

PDF

47.1 KB Created: 2020-08-11 15:06:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5e931ddb7e39b4c56fc2e14c42095524 SHA-1: d0efe09b0b50df39426ffa9bf810c00a9b31f322 SHA-256: 9530d7cee5815d7a499dda4f04ac29cc79ea0992cfa62b88d9bc433640ed8b65
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the document links to known malicious redirector infrastructure, specifically 'https://ttraff.cc/wb?keyword=another%20in%20the%20fire%20lyrics%20pdf'. This suggests the document is designed to redirect users to malicious sites, likely for phishing or malware distribution. 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.cc/wb?keyword=another%20in%20the%20fire%20lyrics%20pdf
    • http://files.nolagirlcustomcreations.com/uploads/1/3/1/4/131409309/38fa4.pdf
    • http://files.nuimagedesigns.com/uploads/1/3/2/6/132682930/6978422.pdf
    • http://tikate.suzannejefferies.com/uploads/1/3/1/4/131482995/9044109.pdf
    • https://cdn.shopify.com/s/files/1/0432/6470/4662/files/vocabulary_list_for_bank_po_exam.pdf
    • https://cdn.shopify.com/s/files/1/0429/9236/9823/files/jixufu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40573574370.pdf
    • https://cdn.shopify.com/s/files/1/0435/6335/2227/files/43365973691.pdf
    • https://cdn.shopify.com/s/files/1/0429/0668/1497/files/sozusakokuvotanokasej.pdf
    • https://cdn.shopify.com/s/files/1/0441/3220/4696/files/betimogonavaliluni.pdf
    • https://cdn.shopify.com/s/files/1/0438/2710/1853/files/76682985789.pdf
    • https://cdn.shopify.com/s/files/1/0437/3767/7989/files/guduxuxuteberupirukemo.pdf
    • https://cdn.shopify.com/s/files/1/0430/7196/3296/files/vigujobitiporawebeka.pdf
    • https://cdn.shopify.com/s/files/1/0429/3256/8220/files/threatened_abortion.pdf
    • https://cdn.shopify.com/s/files/1/0431/2799/6565/files/jaderifevipab.pdf
    • https://cdn.shopify.com/s/files/1/0435/4437/9546/files/sunroof_repair_shop_near_me.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83759083977.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
stream_004_off00006a4e.bin
89c60451c39dedff125ff07ebd9319e152b33441cab3a612f8f7cb94e600828e
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x6A4E 12400 bytes
font_00_sfnt_off000058e6.bin
9fffff8d0ccf0f833bb867a9be8ef548c5048fa278a38e12593213487f1e1fc5
pdf-font-stream PDF embedded font (sfnt) at offset 0x58E6 5124 bytes
font_02_sfnt_off00008cbb.bin
71638e3f82cda22e1e3cfdceddf01474d107ef8f93dddf3377a56e8613d1640e
pdf-font-stream PDF embedded font (sfnt) at offset 0x8CBB 10084 bytes