Malicious PDF — malware analysis report

Static analysis result for SHA-256 256319189f0132e2…

MALICIOUS

PDF

39.6 KB Created: 2020-08-31 09:15:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2e362e10fb05330d101b514fd8df78dd SHA-1: 4e4c8de8af33cd8882da9cbc28d63c3025e137e2 SHA-256: 256319189f0132e2b54f16c2d8335e5143cec4745c69e2953373af2dada8e77f
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious File: User Execution: Malicious File

The PDF contains a prominent link disguised as a download for 'Pokemon volt white 3.1'. This link, `https://ttraff.com/wix?keyword=pokemon+volt+white+3.1+download`, is flagged as a malicious redirector. The document also exhibits characteristics of a link farm, with numerous embedded links to other PDFs, suggesting an attempt to manipulate search engine results or distribute further content. The presence of a visual download button heuristic further supports the lure-based attack pattern.

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/wix?keyword=pokemon+volt+white+3.1+download
    • https://cdn.shopify.com/s/files/1/0440/8714/8709/files/fundamentals_of_database_systems_5th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0435/7108/5475/files/neopets_coconut_shy.pdf
    • https://cdn.shopify.com/s/files/1/0432/1270/1854/files/rureruleguretute.pdf
    • https://static.usrfiles.com/ugd/b8c837_080ec4ffa03b4f358c3fdd87102182c3.pdf
    • https://static.usrfiles.com/ugd/2f7815_801cc4ba7e5c4b278948e17fabd86e2e.pdf
    • https://static.usrfiles.com/ugd/83b1b3_176bd2cc9b3a4f9f87f5345bcaad6d5c.pdf
    • https://static.usrfiles.com/ugd/3f80ec_6801008fefd64607850c0eb7d842d53d.pdf
    • https://static.usrfiles.com/ugd/b8c837_779b68eb25c74137b70b912d9a4bf8a8.pdf
    • https://static.usrfiles.com/ugd/87a178_0c07de1ca4c74c8b980b710e59098ae5.pdf
    • https://static.usrfiles.com/ugd/5ecadc_206730295f6145a4b5e7d1ffafff7e71.pdf
    • https://cdn.shopify.com/s/files/1/0429/3260/0985/files/supersonic_warriors_2_download.pdf
    • https://cdn.shopify.com/s/files/1/0439/3353/2315/files/english_grammar_tenses_in_gujarati.pdf
    • https://cdn.shopify.com/s/files/1/0430/9372/1255/files/glencoe_economics_today_and_tomorrow.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_off00005e1c.bin
f7a9a0c8ea354bcc113c02be0c86a14e3f35ee54ba396f343dcaa57cddb14777
pdf-font-stream PDF embedded font (sfnt) at offset 0x5E1C 5256 bytes
font_01_sfnt_off00006ff2.bin
10020d3958332d43c49149a6cafdb0446f4c4b4f73275ee2f68dd78a8003de74
pdf-font-stream PDF embedded font (sfnt) at offset 0x6FF2 9780 bytes