Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef46968f68809a0c…

MALICIOUS

PDF

41.3 KB Created: 2020-07-09 15:15:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4fa027680dd2a245957066279ae763ef SHA-1: a044ef38e8df1484b10ea738ac9dea98dd1d6079 SHA-256: ef46968f68809a0cc7b87bc98350da18463ebc0cc4f182c9d69d8c40a34463ba
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to a link farm designed to redirect users to malicious sites. The primary redirector URL is https://ttraff.com/wb?keyword=theory%20of%20cookery%20books%20pdf. This indicates a phishing or content-luring attack. No scripts were extracted, limiting the analysis of dynamic behaviors.

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/wb?keyword=theory%20of%20cookery%20books%20pdf
    • http://files.jmn-i.com/uploads/1/3/0/8/130814642/badegumun-vafadivo.pdf
    • http://files.hkcofc.com/uploads/1/3/2/6/132683111/lobojevaresale_jojolurirukekof_nunaduwarutare_rulilik.pdf
    • http://files.victoriagyors.com/uploads/1/3/2/7/132710687/mobulif.pdf
    • http://files.grandprixdrivingschool.net/uploads/1/3/2/6/132695839/450e4.pdf
    • http://files.parkhillbowlingclub.com/uploads/1/3/2/8/132815154/4047543.pdf
    • http://files.lucindalyonsfineart.com/uploads/1/3/1/4/131408864/9917893.pdf
    • http://files.myececlass-observe.com/uploads/1/3/0/7/130775654/1407538.pdf
    • http://files.sophiagardiner.com/uploads/1/3/2/8/132814523/3d2c05e06f72b.pdf
    • https://ratumiratox.files.wordpress.com/2020/07/22864761352.pdf
    • https://luriwoge.files.wordpress.com/2020/06/30721850695.pdf
    • https://kavuzolujor.files.wordpress.com/2020/06/26768403247.pdf
    • https://xugarezat.files.wordpress.com/2020/07/61885650596.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62222626122.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75609531209.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/41841620016.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kosetomamevisired.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mokotutirajozejimus.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66541571973.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/
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kosetomamevisired

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005803.bin
0e2afe81e01bb1cd6888931e17ed8d5f026e22140c9b63540d7c479c68a09f94
pdf-font-stream PDF embedded font (sfnt) at offset 0x5803 4808 bytes
font_01_sfnt_off0000686a.bin
3418b7f87a5e132209a04859e8909753d9d85962ce079efe60eae36af836586c
pdf-font-stream PDF embedded font (sfnt) at offset 0x686A 10328 bytes
font_02_sfnt_off00008bc4.bin
9956fbb00d961e9bd4636face2239a1397268a754eb8bfb8c8aa38be6d318489
pdf-font-stream PDF embedded font (sfnt) at offset 0x8BC4 3084 bytes