Malicious PDF — malware analysis report

Static analysis result for SHA-256 2075be3f4d5adfbf…

MALICIOUS

PDF

43.3 KB Created: 2020-08-21 16:30:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 490015f489c48bed3534a7c2c0344831 SHA-1: 934f8d0516c6eff62889a41192f7593ea8b05615 SHA-256: 2075be3f4d5adfbf33171b2507b34160a856d419cc8460cf0a14f32e179f51a2
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to malicious infrastructure. Additionally, PDF_SEO_LINK_FARM suggests a large number of embedded links, likely for SEO manipulation or to host further malicious content. The document body contains the URL https://ttraff.cc/pify?keyword=cocotama+pedometer+guide, which is flagged as malicious, and a large number of other PDF links, many hosted on cdn.shopify.com, but one on files.piedaterrenyack.com which is unknown.

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.cc/pify?keyword=cocotama+pedometer+guide
    • http://files.piedaterrenyack.com/uploads/1/3/2/7/132741029/92dd6943f5.pdf
    • https://cdn.shopify.com/s/files/1/0431/3910/4930/files/wivolepumimometipiz.pdf
    • https://cdn.shopify.com/s/files/1/0431/6197/6994/files/balance_de_materia_y_energa.pdf
    • https://cdn.shopify.com/s/files/1/0434/2258/0886/files/bjt_transistor_modeling.pdf
    • https://cdn.shopify.com/s/files/1/0428/2440/1063/files/sheet_erosion_meaning_in_telugu.pdf
    • https://cdn.shopify.com/s/files/1/0436/5916/5849/files/force_and_destiny.pdf
    • https://cdn.shopify.com/s/files/1/0432/2358/0830/files/5641983455.pdf
    • https://cdn.shopify.com/s/files/1/0433/7578/8184/files/apology_for_poetry_analysis.pdf
    • https://cdn.shopify.com/s/files/1/0432/8531/5737/files/26215538594.pdf
    • https://cdn.shopify.com/s/files/1/0434/1481/4885/files/dagute.pdf
    • https://cdn.shopify.com/s/files/1/0428/8937/9993/files/torrent_rosetta_stone.pdf
    • https://cdn.shopify.com/s/files/1/0433/4016/9366/files/mifoka.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_off00006bb9.bin
c405f0cf7d46f6966b7eb1d263a94202283ceb1d9c69311e36119fc99068f35b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BB9 5088 bytes
font_01_sfnt_off00007ce9.bin
46f4f577079ff786d0c20beb74a4c99b59de5c85d64fd2b764e60c28c85322e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CE9 10540 bytes

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