Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae67820b64c7583b…

MALICIOUS

PDF

35.6 KB Created: 2020-08-31 15:44:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 67859581c42b760e4ac6debc00f929d8 SHA-1: bd03bdda878338db2e56f4e8290e761b6d5fe8df SHA-256: ae67820b64c7583b991cc6595b9b947bf0f19a593aa683ffec5ce647ebb6b269
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.me/pify?keyword=platform+film+full+movie'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links pointing to external PDFs, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains the same redirector URL. This suggests the primary intent is to redirect the user to a malicious site.

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.me/pify?keyword=platform+film+full+movie
    • https://cdn.shopify.com/s/files/1/0432/0460/8155/files/lalazizimitixogarudegam.pdf
    • https://cdn.shopify.com/s/files/1/0440/3865/2069/files/35257928518.pdf
    • https://cdn.shopify.com/s/files/1/0437/8574/8642/files/84214969369.pdf
    • https://cdn.shopify.com/s/files/1/0435/2635/7160/files/dexcom_g6_product_guide.pdf
    • https://cdn.shopify.com/s/files/1/0427/7963/9967/files/26444529107.pdf
    • https://cdn.shopify.com/s/files/1/0433/6510/5814/files/55185755050.pdf
    • https://cdn.shopify.com/s/files/1/0434/6911/1448/files/51604401585.pdf
    • https://cdn.shopify.com/s/files/1/0432/2639/8888/files/derajexi.pdf
    • https://static.usrfiles.com/ugd/0dd040_31adc7d32df84c4eae538c9e506c5b42.pdf
    • https://static.usrfiles.com/ugd/516793_aa2feb2e7838486ea6a8237aae7a40c3.pdf
    • https://static.usrfiles.com/ugd/fbccce_23067028f1ac47c3ae39590afb1c1022.pdf
    • https://static.usrfiles.com/ugd/b8c837_15e9eb2a86294556bd47030af114e33a.pdf
    • https://static.usrfiles.com/ugd/c83fdb_fff8b9ea4a73460882d59f595cf16504.pdf
    • https://cdn.shopify.com/s/files/1/0447/1504/9116/files/arquitectura_bioclimtica_y_urbanismo_sostenible._vol_i.pdf
    • https://cdn.shopify.com/s/files/1/0430/3932/6365/files/jerujofigojojisisup.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_off00004cdc.bin
66638f334df2a9b61e956e9fd33c1941eabca0510991cacd77ba7826896e55ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4CDC 4796 bytes
font_01_sfnt_off00005d21.bin
b9eff357394b670c4d670e233672e8866422f2fbbed4f181a16eb878b2aef80f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D21 11524 bytes

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