Malicious PDF — malware analysis report

Static analysis result for SHA-256 49043ab6b545e524…

MALICIOUS

PDF

44.9 KB Created: 2020-07-29 21:13:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 52a4cefbcec5dcf9b991d79c026af328 SHA-1: 958a118050bbe8cf20a1a6806f8543669e1654ea SHA-256: 49043ab6b545e5243760d3aa7f0a1285fa804f9e527a08c1d89f7e7753da7f3f
120 Risk Score

Malware Insights

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

The PDF contains multiple links to external websites, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the link at 'https://ttraff.com/pify?keyword=genocide+a+sociological+perspective+pdf' leads to malicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic suggests a large number of outbound links, many pointing to Shopify domains, likely to manipulate search engine results and distribute malicious content. 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.com/pify?keyword=genocide+a+sociological+perspective+pdf
    • http://files.lauriamusic.com/uploads/1/3/1/8/131857315/7329853.pdf
    • http://files.tregeek.com/uploads/1/3/1/6/131606144/zifetamelozij.pdf
    • http://files.casinodealerswebsite.com/uploads/1/3/1/3/131383493/punakonol-visawadij-jusuza.pdf
    • http://files.casinodealerswebsite.com/uploads/1/3/1/3/131383493/punakonol
    • https://cdn.shopify.com/s/files/1/0432/7319/1580/files/tifezilomakojisoliz.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lojuxefututa.pdf
    • https://cdn.shopify.com/s/files/1/0433/9610/4348/files/55985524952.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jepomosojavadoji.pdf
    • https://cdn.shopify.com/s/files/1/0432/1938/6526/files/doguvadid.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pekazojifedabefotekufof.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30547733638.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52733892229.pdf
    • https://cdn.shopify.com/s/files/1/0429/9885/7891/files/96054384394.pdf
    • https://cdn.shopify.com/s/files/1/0431/0509/1745/files/turodijo.pdf
    • https://cdn.shopify.com/s/files/1/0429/8450/5498/files/nufadu.pdf
    • https://cdn.shopify.com/s/files/1/0435/6059/9711/files/9896951054.pdf
    • https://cdn.shopify.com/s/files/1/0428/3269/1363/files/38296786633.pdf
    • https://cdn.shopify.com/s/files/1/0432/0172/4580/files/dalujiwaxu.pdf
    • https://cdn.shopify.com/s/files/1/0431/1095/7210/files/jemixujase.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_off0000714a.bin
e5771cf9dc927de312b3082c047cbea68d7961b31f4e476c23d9788dc71be2f3
pdf-font-stream PDF embedded font (sfnt) at offset 0x714A 5204 bytes
font_01_sfnt_off00008313.bin
4ac1b9b7872ca70bcc371d9a2c1dc99a38253451a4c158be4b34431b45afe38c
pdf-font-stream PDF embedded font (sfnt) at offset 0x8313 10288 bytes