Malicious PDF — malware analysis report

Static analysis result for SHA-256 a01b984a01aa5705…

MALICIOUS

PDF

51.3 KB Created: 2020-08-04 10:41:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41aef9855df0e9df4e7a01b3dafbc149 SHA-1: 0a1155a22783ca1ee96d123d9fb30e2bb2a3d3c7 SHA-256: a01b984a01aa5705356bc3ca4ce1e75f63b60cf5761ce8ccbed8e6ffef9dbca0
120 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.com/pify?keyword=automatic+plant+irrigation+system+using+arduino+pdf`. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to `https://cdn.shopify.com/s/files/1/0437/5173/5448/files/gilimovabaj.pdf`. The document body, though heavily obfuscated, contains references to the redirector URL, suggesting a phishing or redirection attempt disguised as a technical document.

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.com/pify?keyword=automatic+plant+irrigation+system+using+arduino+pdf
    • http://files.charlottespurpose.com/uploads/1/3/0/8/130874489/zetarosara_zokesuwuk_tavewamilibav.pdf
    • http://files.lovebudskincare.com/uploads/1/3/2/6/132681579/9504224.pdf
    • http://files.valleytea.com.au/uploads/1/3/1/4/131407284/kisopefi_zadirifamiruw_pebina_xogupiwubevona.pdf
    • http://files.ashleymaclellanaat.com/uploads/1/3/0/9/130969297/vibipabos.pdf
    • http://files.fscsweeps.com/uploads/1/3/0/9/130969897/8787416.pdf
    • https://cdn.shopify.com/s/files/1/0437/5173/5448/files/gilimovabaj.pdf
    • https://cdn.shopify.com/s/files/1/0430/2376/1571/files/mubawapufonewuz.pdf
    • https://cdn.shopify.com/s/files/1/0432/9232/8104/files/19456049885.pdf
    • https://cdn.shopify.com/s/files/1/0428/7443/7791/files/prebles_artforms_11th_edition_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/3237/8517/files/41297663444.pdf
    • https://cdn.shopify.com/s/files/1/0429/3551/7337/files/1284434446.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63529720688.pdf
    • https://cdn.shopify.com/s/files/1/0428/7728/8611/files/agamenon_gredos.pdf
    • https://cdn.shopify.com/s/files/1/0438/0593/3730/files/64690971434.pdf
    • https://cdn.shopify.com/s/files/1/0428/0962/2687/files/vilewezuzap.pdf
    • https://cdn.shopify.com/s/files/1/0430/6858/8194/files/8887548092.pdf
    • https://cdn.shopify.com/s/files/1/0434/2172/8918/files/franchising_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/7616/5536/files/tamasha_online_movie.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_off00007cb1.bin
c711e2c7b15d160c53916dea51e18bff4df27b83f1e6a6da2957d8dbf6872d3c
pdf-font-stream PDF embedded font (sfnt) at offset 0x7CB1 5564 bytes
font_01_sfnt_off00008f8f.bin
2c6b9a0abd4b95aace80b94dd9f0e5558c7ba4e3c39d7233499436db79a0f7f1
pdf-font-stream PDF embedded font (sfnt) at offset 0x8F8F 15232 bytes