Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1071967917b9b12…

MALICIOUS

PDF

53.5 KB Created: 2020-08-22 09:52:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8f1aa5cd13744acfa6272c7bf1e0a1a4 SHA-1: 418e5dfb519aab2e986ae91857c83712fc85aa6a SHA-256: b1071967917b9b1246fc8cb148ce6e67c246bd02f8f2532f6f95069c8466e177
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'Free vehicle log book template australia' and the malicious URL. This suggests a social engineering lure to trick users into visiting a potentially harmful 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.com/pify?keyword=free+vehicle+log+book+template+australia
    • http://files.dbs-fabrication.co.uk/uploads/1/3/0/7/130739549/7659488.pdf
    • http://gifomupa.ouhsdra.org/uploads/1/3/1/4/131437044/ripule-wofiwakizuga-dofavixojorik-datopir.pdf
    • https://cdn.shopify.com/s/files/1/0430/9961/9492/files/bixibene.pdf
    • https://cdn.shopify.com/s/files/1/0435/5339/0741/files/simejixugesezobetuxefibaf.pdf
    • https://cdn.shopify.com/s/files/1/0434/0292/0086/files/advantages_of_rational_choice_theory.pdf
    • https://cdn.shopify.com/s/files/1/0428/4016/2470/files/zuxitut.pdf
    • https://cdn.shopify.com/s/files/1/0432/1656/8482/files/kenidekiwakubimis.pdf
    • https://cdn.shopify.com/s/files/1/0435/4293/7759/files/miritek.pdf
    • https://cdn.shopify.com/s/files/1/0429/1916/6105/files/suwukupobaku.pdf
    • https://cdn.shopify.com/s/files/1/0434/5593/8725/files/pixelmon_shiny_charm.pdf
    • https://cdn.shopify.com/s/files/1/0430/3945/7431/files/varukavode.pdf
    • https://cdn.shopify.com/s/files/1/0433/7926/1590/files/disov.pdf
    • https://cdn.shopify.com/s/files/1/0428/7243/8947/files/56053743939.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_off00008628.bin
222e87db96c5e228f6380e3d9913c4042544366134638dc45a28a2e80ad639b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8628 5344 bytes
font_01_sfnt_off0000985d.bin
cf339a681c8f5f97df919d012243ba7163d0ce6cf77bdc7f20a41988db841f53		 pdf-font-stream PDF embedded font (sfnt) at offset 0x985D 10124 bytes
font_02_sfnt_off0000bb03.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBB03 4324 bytes

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