Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ffda097088d79a2…

MALICIOUS

PDF

46.3 KB Created: 2020-07-31 19:21:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 853214ddbea4579ce8062e8b14e5fd8a SHA-1: 76eaad82693530d97e66597710bf059eafdbd132 SHA-256: 9ffda097088d79a2f3ac77c620d17782ae0f0619b128a9c3e61c26bd1a776be8
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector infrastructure at 'ttraff.com'. This suggests the document is designed to lead users to malicious content through a chain of redirects. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact payload.

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=sd+media+launcher+gamecube
    • http://files.norcalsmartvestorpro.com/uploads/1/3/2/7/132710655/96f0fa3.pdf
    • http://files.aps7.com/uploads/1/3/1/3/131382531/5237240.pdf
    • http://files.proorganizerlindsay.com/uploads/1/3/0/8/130874328/4020664.pdf
    • http://files.britanniahomeservices.com/uploads/1/3/1/3/131382841/9556325.pdf
    • http://files.wardwatkinsinsurance.com/uploads/1/3/1/4/131453588/5374814.pdf
    • https://cdn.shopify.com/s/files/1/0430/6924/3549/files/48345225554.pdf
    • https://cdn.shopify.com/s/files/1/0431/7331/4715/files/34617009886.pdf
    • https://cdn.shopify.com/s/files/1/0432/9563/7659/files/93912651225.pdf
    • https://cdn.shopify.com/s/files/1/0434/7274/8710/files/82866426308.pdf
    • https://cdn.shopify.com/s/files/1/0432/6372/1637/files/furemovemazukur.pdf
    • https://cdn.shopify.com/s/files/1/0432/7473/1685/files/89660969806.pdf
    • https://cdn.shopify.com/s/files/1/0429/9217/3217/files/vebixamu.pdf
    • https://cdn.shopify.com/s/files/1/0434/0298/5626/files/71376781530.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rabilividobakomitunaxizug.pdf
    • https://cdn.shopify.com/s/files/1/0434/2733/2252/files/muvobo.pdf
    • https://cdn.shopify.com/s/files/1/0431/3782/6973/files/46473125893.pdf
    • https://cdn.shopify.com/s/files/1/0433/7690/2309/files/furetanilisoxojenufami.pdf
    • https://cdn.shopify.com/s/files/1/0434/6612/9574/files/14446858744.pdf
    • https://cdn.shopify.com/s/files/1/0432/5939/6254/files/71045366000.pdf
    • https://cdn.shopify.com/s/files/1/0428/5100/8671/files/ledanuz.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/1/0434/7274/8710/files/8

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000764b.bin
49c8d27416aae51cddd150f843081f35dc7ed20ba92eba7ba2ec014c73d8fd16
pdf-font-stream PDF embedded font (sfnt) at offset 0x764B 5416 bytes
font_01_sfnt_off00008886.bin
c76dae3da788a7a91a2b92a48f880c195de81c054bd30c00e91366945590f671
pdf-font-stream PDF embedded font (sfnt) at offset 0x8886 10280 bytes