Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d807cf93aaf4a27…

MALICIOUS

PDF

89.2 KB Created: 2020-08-29 02:55:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a1ef2d7024600b7f7067fc98a43dff9a SHA-1: 7eac50c7f6875ce80c390af33e7d74434420d594 SHA-256: 7d807cf93aaf4a2711dadf20c6b42338b649b82ee9a80f1fd3a2e6bbac0c2bb4
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=total+war+shogun+2+v1.1+trainer'. Another critical heuristic indicates a PDF link farm, with the first URL being 'https://cdn.shopify.com/s/files/1/0434/5734/7746/files/lord_farquaad_meme_template.pdf'. The document body also contains the malicious URL, reinforcing the lure. The presence of a download button heuristic further supports the social engineering aspect.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/wix?keyword=total+war+shogun+2+v1.1+trainer
    • https://cdn.shopify.com/s/files/1/0434/5734/7746/files/lord_farquaad_meme_template.pdf
    • https://cdn.shopify.com/s/files/1/0427/6856/4380/files/44777129814.pdf
    • https://cdn.shopify.com/s/files/1/0439/8556/7902/files/sociology_books_for_upsc_mains.pdf
    • https://cdn.shopify.com/s/files/1/0431/4093/9933/files/kelune.pdf
    • https://cdn.shopify.com/s/files/1/0427/9658/1020/files/86010081954.pdf
    • https://cdn.shopify.com/s/files/1/0429/7592/0282/files/4960561515.pdf
    • https://cdn.shopify.com/s/files/1/0428/1381/6995/files/typhoid_fever_microbiology.pdf
    • https://cdn.shopify.com/s/files/1/0431/1423/4016/files/27052694610.pdf
    • https://cdn.shopify.com/s/files/1/0438/2251/4338/files/call_of_duty_pc_terbaru.pdf
    • https://cdn.shopify.com/s/files/1/0431/2032/8864/files/sagigusulosigemufit.pdf
    • https://cdn.shopify.com/s/files/1/0438/7926/8520/files/java_update_191_64_bit.pdf
    • https://cdn.shopify.com/s/files/1/0434/7504/2457/files/turij.pdf
    • https://cdn.shopify.com/s/files/1/0434/3437/7377/files/alias_grace_margaret_atwood_espaol.pdf
    • https://cdn.shopify.com/s/files/1/0427/7937/7830/files/dizofipebilipavabumoxamen.pdf
    • https://cdn.shopify.com/s/files/1/0438/4079/8885/files/fusionner_deux_adobe.pdf
    • https://cdn.shopify.com/s/files/1/0432/8338/2427/files/32645686348.pdf
    • https://cdn.shopify.com/s/files/1/0436/7931/8166/files/baby_laugh_remix_full_song.pdf
    • https://cdn.shopify.com/s/files/1/0432/5310/4790/files/16440611036.pdf
    • https://cdn.shopify.com/s/files/1/0430/2487/5674/files/artificial_neural_networks_and_their_applications.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_off00011ec3.bin
aae8ad638bc5fa11ae59b933d0dd61cb9b9d7c1a1b309deab58ad3ba3b83e371		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11EC3 5264 bytes
font_01_sfnt_off000130c4.bin
fe104baa895f0e87efcc2c4993dd3ef75e695f4f690fc048ce6eb8a4bf824798		 pdf-font-stream PDF embedded font (sfnt) at offset 0x130C4 11312 bytes

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