Malicious PDF — malware analysis report

Static analysis result for SHA-256 8efe8ee82c192617…

MALICIOUS

PDF

42.3 KB Created: 2020-08-05 09:54:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8c68a7d508d63e2f71763a5b0136e04d SHA-1: f0ebceea463106a67a15ce8d021af8baf40c87b8 SHA-256: 8efe8ee82c192617fb20a3baef332983a24c9d44fa80a97a25042deecb1d2938
128 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'Bajaj Allianz life insurance pdf password', which is a common tactic for phishing or scam attempts. It embeds multiple links, with one critical heuristic identifying a link to a known malicious redirector at `ttraff.ru`. The document body also contains numerous other URLs, many pointing to Shopify, suggesting a link farm designed to obscure the true destination. The presence of a malicious redirector indicates an attempt to lead the user to a harmful site.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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.ru/pify?keyword=bajaj+allianz+life+insurance+pdf+password
    • http://files.mrbevan.com/uploads/1/3/1/6/131636775/besovesuzaw.pdf
    • http://files.stoprethinkspeak.org/uploads/1/3/0/7/130775998/4933628.pdf
    • http://zumomo.imbido.org/uploads/1/3/0/7/130775320/vusosopukojarijijur.pdf
    • http://files.lifestyleweight.com/uploads/1/3/1/4/131437056/sujasupavosa_duxove_kimukume.pdf
    • http://files.resortinnovation.com/uploads/1/3/1/4/131437194/4778330.pdf
    • https://cdn.shopify.com/s/files/1/0435/4945/8591/files/wemusinomevupexo.pdf
    • https://cdn.shopify.com/s/files/1/0439/2042/5115/files/69886131416.pdf
    • https://cdn.shopify.com/s/files/1/0435/7105/2707/files/budinefewifewawig.pdf
    • https://cdn.shopify.com/s/files/1/0433/9875/8557/files/punozin.pdf
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/30479774557.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/texojorigerusoxuduk.pdf
    • https://cdn.shopify.com/s/files/1/0430/6042/8962/files/nolilasekenegirabilikox.pdf
    • https://cdn.shopify.com/s/files/1/0435/2249/0532/files/nuclear_throne_rusty_revolver.pdf
    • https://cdn.shopify.com/s/files/1/0437/3705/5393/files/40650057506.pdf
    • https://cdn.shopify.com/s/files/1/0430/7851/6885/files/fomadonibulazozegetibe.pdf
    • https://cdn.shopify.com/s/files/1/0431/1190/7488/files/degikaxetijebawax.pdf
    • https://cdn.shopify.com/s/files/1/0430/2825/0781/files/1110998097.pdf
    • https://cdn.shopify.com/s/files/1/0434/9083/6645/files/24089499243.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_off000064f1.bin
82481b81adaaeb9f836f6d3b6129148b257c6b0a6e317a6d02e1cd5125595ec5
pdf-font-stream PDF embedded font (sfnt) at offset 0x64F1 5416 bytes
font_01_sfnt_off0000778b.bin
31c9b58f9389e5f197fde76dd2747123cf333161534881dabfd49681990b8a24
pdf-font-stream PDF embedded font (sfnt) at offset 0x778B 10528 bytes