Malicious PDF — malware analysis report

Static analysis result for SHA-256 869a270ee39e4b64…

MALICIOUS

PDF

54.3 KB Created: 2020-07-28 04:18:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: be9ca6f8658d282ad062f8162f9e656a SHA-1: 1b6dcc2f15fb1afb2e1b3bbbb62c1524b94d839a SHA-256: 869a270ee39e4b640dda5976f5f9502ff8e72a1b4b19d088a0afd71ae21114a3
128 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique often used in SEO link farms to manipulate search engine rankings or to distribute malicious content. One of the embedded URLs, 'https://ttraff.com/pify?keyword=platform+ticket+app+name', is flagged as a known malicious redirector. The presence of a 'download button' lure further suggests a malicious intent to trick users into clicking on these links.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=platform+ticket+app+name
    • http://files.handwarmersstore.com/uploads/1/3/1/1/131164531/lukakajosazid.pdf
    • http://files.infinitycreationselectric.com/uploads/1/3/1/6/131636903/xavozifagidoxa_sixunigikure_jakogupekimur.pdf
    • http://files.kgblackwell.com/uploads/1/3/1/4/131453124/rafikedak-tefuko-tejepaso-gabununozowo.pdf
    • https://cdn.shopify.com/s/files/1/0431/4746/0768/files/71664577234.pdf
    • https://cdn.shopify.com/s/files/1/0428/5336/7975/files/18471450848.pdf
    • https://cdn.shopify.com/s/files/1/0430/2651/4077/files/96350311969.pdf
    • https://cdn.shopify.com/s/files/1/0435/5594/6655/files/jenowebifako.pdf
    • https://cdn.shopify.com/s/files/1/0428/3337/9487/files/petovinepas.pdf
    • https://cdn.shopify.com/s/files/1/0435/5942/0063/files/77076999847.pdf
    • https://cdn.shopify.com/s/files/1/0432/4648/5672/files/guxojotupokosafubexufesib.pdf
    • https://cdn.shopify.com/s/files/1/0430/0364/2007/files/68211813157.pdf
    • https://cdn.shopify.com/s/files/1/0428/1715/9335/files/4725672380.pdf
    • https://cdn.shopify.com/s/files/1/0434/5259/6374/files/90709915006.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/file

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000073f0.bin
64bd78a711b5a1d26a03f4d800b5fb467214906e52e0970982bd754b21205787
pdf-font-stream PDF embedded font (sfnt) at offset 0x73F0 4272 bytes
font_01_sfnt_off000082ef.bin
024ee63fa65ecefa5eca88983218350b534ba5c2bcaceb4f8025ccf4c3de499c
pdf-font-stream PDF embedded font (sfnt) at offset 0x82EF 4836 bytes
font_02_sfnt_off00009339.bin
5845003df6fe2e6e17897ca11b58e08ae6b54614760818e70bd6d6e72e28b3b4
pdf-font-stream PDF embedded font (sfnt) at offset 0x9339 10300 bytes
font_03_sfnt_off0000b668.bin
6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3
pdf-font-stream PDF embedded font (sfnt) at offset 0xB668 16164 bytes