Malicious PDF — malware analysis report

Static analysis result for SHA-256 aee47f6b5adca6ee…

MALICIOUS

PDF

49.7 KB Created: 2020-08-01 16:30:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2181be7c9345368c0504019e885b3320 SHA-1: 8fd6895e85c722c98757a017067ee091de0a5e42 SHA-256: aee47f6b5adca6eeb2ebe379b238c0e93e19091cacbd795c96c6d7be6f699afb
130 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector URL, indicating a phishing or scam attempt. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.com/pify?keyword=cinex+hd+product+key as malicious. The document body, though heavily obfuscated, contains references to 'Cinex hd product key' and the malicious URL, reinforcing the lure. The presence of numerous links to Shopify-hosted PDFs suggests an attempt to blend malicious content with seemingly benign files.

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.com/pify?keyword=cinex+hd+product+key
    • http://files.riversidepopupgallery.com/uploads/1/3/1/3/131380825/697a03.pdf
    • http://files.pghaazk.org/uploads/1/3/0/9/130969865/ganatupol.pdf
    • http://files.theheids.net/uploads/1/3/0/7/130739971/6148588.pdf
    • http://files.upsydaisydesignstx.com/uploads/1/3/1/6/131636903/108aab1f904bc.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87932640634.pdf
    • https://cdn.shopify.com/s/files/1/0429/8876/5337/files/barbarians_at_the_gate_ebook.pdf
    • https://cdn.shopify.com/s/files/1/0438/9008/1944/files/xigubu.pdf
    • https://cdn.shopify.com/s/files/1/0427/5824/2470/files/gugetobevuzufolit.pdf
    • https://cdn.shopify.com/s/files/1/0433/5144/1563/files/kibajudugesalam.pdf
    • https://cdn.shopify.com/s/files/1/0437/6949/5713/files/fosuvufev.pdf
    • https://cdn.shopify.com/s/files/1/0437/3754/6917/files/bofawedojilotetetadogelub.pdf
    • https://cdn.shopify.com/s/files/1/0432/7433/8454/files/52025334363.pdf
    • https://cdn.shopify.com/s/files/1/0430/4407/7722/files/zupej.pdf
    • https://cdn.shopify.com/s/files/1/0432/3583/6068/files/16403927310.pdf
    • https://cdn.shopify.com/s/files/1/0440/8901/6472/files/38181526256.pdf
    • https://cdn.shopify.com/s/files/1/0433/6563/0102/files/98058225207.pdf
    • https://cdn.shopify.com/s/files/1/0429/7634/6266/files/vavelatoratosuzewaji.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_off00006c08.bin
bc31606f188407ff58e4cb0f42374dbb030f840d80787579b0e67984369112d5
pdf-font-stream PDF embedded font (sfnt) at offset 0x6C08 4880 bytes
font_01_sfnt_off00007ca2.bin
9108c6eb3f59c31fc95d99605a28234d4c9fe3a5f1adb5a91603939bd9f2a8f1
pdf-font-stream PDF embedded font (sfnt) at offset 0x7CA2 10360 bytes
font_02_sfnt_off0000a046.bin
621083624474244dd799462243a8149496bdb2a4279032a7979c9dac78b214f3
pdf-font-stream PDF embedded font (sfnt) at offset 0xA046 17608 bytes