Malicious PDF — malware analysis report

Static analysis result for SHA-256 e14cd1e16b64a22e…

MALICIOUS

PDF

36.4 KB Created: 2020-08-07 00:49:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5428d7b67af6ca46707612d2fb605122 SHA-1: f17a2972b9f5f0af427dce9b49319038d95bbe8c SHA-256: e14cd1e16b64a22eefa74d9b9f1d44e0cb0072a2a3c8f8f76808f46a76047c28
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL points to 'ttraff.com', which is a known malicious redirector. The document body contains obfuscated text and URLs, including the malicious redirector URL, suggesting an attempt to lure the user into clicking the link. No scripts were extracted from this sample.

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=el+bodeguero+letra+pdf
    • http://kawopa.parlourvt.com/uploads/1/3/2/6/132682076/d7e5eddd2.pdf
    • http://vates.olympiquemontreux.com/uploads/1/3/0/7/130738836/lasaduwarosuwij.pdf
    • http://files.lifehomesafe.com/uploads/1/3/0/8/130813818/6105959.pdf
    • https://cdn.shopify.com/s/files/1/0428/9455/7350/files/11020384673.pdf
    • https://cdn.shopify.com/s/files/1/0439/4627/9080/files/norikanaxus.pdf
    • https://cdn.shopify.com/s/files/1/0429/5956/9055/files/arduous_in_a_sentence.pdf
    • https://cdn.shopify.com/s/files/1/0436/2951/0814/files/gufebifowawikumufi.pdf
    • https://cdn.shopify.com/s/files/1/0435/0168/2843/files/12411102541.pdf
    • https://cdn.shopify.com/s/files/1/0431/8828/9694/files/tuxotalukiludoko.pdf
    • https://cdn.shopify.com/s/files/1/0433/7539/4977/files/40226684415.pdf
    • https://cdn.shopify.com/s/files/1/0433/6776/0028/files/assembler_programming_books.pdf
    • https://cdn.shopify.com/s/files/1/0432/9275/4076/files/let_shading_answer_sheet_download.pdf
    • https://cdn.shopify.com/s/files/1/0427/6387/8566/files/fugexeta.pdf
    • https://cdn.shopify.com/s/files/1/0431/0515/7282/files/30721236543.pdf
    • https://cdn.shopify.com/s/files/1/0432/0778/6654/files/25967616736.pdf
    • https://cdn.shopify.com/s/files/1/0433/7998/2492/files/zuvulapezixoxuzuw.pdf
    • https://cdn.shopify.com/s/files/1/0433/4492/0734/files/energy_environment_and_climate_wolfson.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_off00004e12.bin
dfc29050279f52eb72c9c84e713b947e1ddb2b04f4b53f47058a3f243f84fe9e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E12 5128 bytes
font_01_sfnt_off00005f92.bin
1d3d2dbd5347f1b9f0cb35ceffbd49d07ffba90fafa5282c04b2d66dfbab55a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F92 10832 bytes

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