Malicious PDF — malware analysis report

Static analysis result for SHA-256 e149f97fcfd5387e…

MALICIOUS

PDF

45.6 KB Created: 2020-08-15 07:45:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e97122f8571da4592005461e1c4ec84 SHA-1: 37c3e76bfb8688daf527756e3648f74ae318a83c SHA-256: e149f97fcfd5387e913e24fcf8c8c685e6d8f418d0d8a13051194167138ec32c
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass external link farm, with a primary link pointing to a known malicious redirector. The document body text also contains the suspicious URL and a lure related to "soundhound music apk". The redirector is likely used to deliver a second-stage payload. 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.ru/pify?keyword=soundhound+music+apk
    • http://files.cli.solutions/uploads/1/3/0/8/130874222/de70e4fb2.pdf
    • https://cdn.shopify.com/s/files/1/0433/2843/8427/files/brahmo_samaj.pdf
    • https://cdn.shopify.com/s/files/1/0440/7810/4728/files/brave_new_world_chapter_9.pdf
    • https://cdn.shopify.com/s/files/1/0436/0224/7838/files/jafib.pdf
    • https://cdn.shopify.com/s/files/1/0448/4576/0669/files/mainsheet_blocks_lewmar.pdf
    • https://cdn.shopify.com/s/files/1/0434/1835/3815/files/2020_annual_calendar_template.pdf
    • https://cdn.shopify.com/s/files/1/0429/0599/3375/files/tekutivovon.pdf
    • https://cdn.shopify.com/s/files/1/0432/5851/1510/files/gebejugo.pdf
    • https://cdn.shopify.com/s/files/1/0437/7201/8845/files/elmos_got_the_moves.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005ead.bin
002b25ae4ba17a699703a03a1151f6cfa205312ec9f7aeeb80b9b51f9855344e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EAD 5352 bytes
font_01_sfnt_off000070af.bin
945d49c0ddfa4e34ff3bc3b380c3fd2a5549cdc203304ad39bc74f52a2ee7ab9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70AF 10440 bytes
font_02_sfnt_off0000948d.bin
22fb568feb197e6acf9200b23e73596f8f15260301962c37d3b57e6b3300ba63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x948D 16268 bytes

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