Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5865ba6087891b1…

MALICIOUS

PDF

75.3 KB Created: 2020-08-01 09:22:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3cf44910084145751e1929087a6864ea SHA-1: 5fdfeda32811f87ef6751c27abd43ba3fe3af83d SHA-256: e5865ba6087891b140ccb194b1b6e54e98628a57fa38b4bf414e7a99ad09734b
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains numerous links, including one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains the same redirector URL, suggesting a lure to a malicious site. The presence of a link farm heuristic further indicates a malicious intent to distribute links.

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=ret+paladin+pvp+guide
    • http://files.modelplanmedia.com/uploads/1/3/0/7/130775484/fikefoforowu.pdf
    • http://files.communitychurchofkeystoneheights.org/uploads/1/3/2/3/132302872/6017342.pdf
    • http://files.paxsonscience.com/uploads/1/3/0/7/130740051/lixumuxubadud_jilubiga_gizasiwuvawev_sezexaxi.pdf
    • http://files.lancebyreferral.com/uploads/1/3/0/8/130813979/tavomisokilekevutede.pdf
    • http://files.bigtimbercattle.com/uploads/1/3/1/4/131437246/1606641.pdf
    • https://cdn.shopify.com/s/files/1/0432/6785/0390/files/fakosilileweliwasezil.pdf
    • https://cdn.shopify.com/s/files/1/0431/4464/2715/files/mosegarepudexi.pdf
    • https://cdn.shopify.com/s/files/1/0429/6091/2537/files/48280351573.pdf
    • https://cdn.shopify.com/s/files/1/0434/4227/4454/files/xanurinapemagufivavisoren.pdf
    • https://cdn.shopify.com/s/files/1/0434/4807/4405/files/bezejizigijijij.pdf
    • https://cdn.shopify.com/s/files/1/0438/7287/8747/files/20437757649.pdf
    • https://cdn.shopify.com/s/files/1/0429/6278/0311/files/94129760404.pdf
    • https://cdn.shopify.com/s/files/1/0431/8245/7000/files/pikozorat.pdf
    • https://cdn.shopify.com/s/files/1/0431/3051/9716/files/rosuselexagiwag.pdf
    • https://cdn.shopify.com/s/files/1/0432/1158/7752/files/63310028837.pdf
    • https://cdn.shopify.com/s/files/1/0433/0432/1184/files/15284265067.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_off0000ec7b.bin
cf1de1616cb856eafc39fb24b114593528f914c3c66d0ae48f17e0f9d49e5976		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEC7B 4920 bytes
font_01_sfnt_off0000fd5b.bin
d1d2b72ed291a171e30983e2c295e0e1aefb5a3c3fd45b4cd60d7af4093c4a23		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFD5B 10156 bytes

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