Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe264da5b3697363…

MALICIOUS

PDF

45.0 KB Created: 2020-07-28 02:32:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8fe66c6eec4119e63294c83d09301492 SHA-1: 3c55449b17417358bb9bfce2a65bf22a4b7f1b72 SHA-256: fe264da5b36973630f1eceda59d77c95b2bc38596654b9747e41d9ac835c2ad0
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified as a link farm. One of these links, 'https://ttraff.ru/pify?keyword=piano+music+song+ringtone', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Piano music song ringtone', likely a lure to disguise the malicious intent of redirecting users to potentially harmful sites.

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.ru/pify?keyword=piano+music+song+ringtone
    • http://files.missiontrips.livingwatersspanish.com/uploads/1/3/2/7/132740338/b10a56f80.pdf
    • http://files.shopthenoun.com/uploads/1/3/1/3/131381910/cbfb3.pdf
    • http://files.mountmassivelakes.org/uploads/1/3/1/3/131380951/gidobawad.pdf
    • https://cdn.shopify.com/s/files/1/0440/3786/5637/files/jonesabigorijojojilik.pdf
    • https://cdn.shopify.com/s/files/1/0432/0041/3856/files/82183241239.pdf
    • https://cdn.shopify.com/s/files/1/0434/1147/2541/files/likepejemaresus.pdf
    • https://cdn.shopify.com/s/files/1/0429/4233/3087/files/56646215943.pdf
    • https://cdn.shopify.com/s/files/1/0435/1423/2996/files/dugevawabenotixamukif.pdf
    • https://cdn.shopify.com/s/files/1/0428/0087/3631/files/65635097388.pdf
    • https://cdn.shopify.com/s/files/1/0434/4774/6721/files/41623918185.pdf
    • https://cdn.shopify.com/s/files/1/0428/0867/2423/files/83719995565.pdf
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/xovinejebixinedam.pdf
    • https://cdn.shopify.com/s/files/1/0437/8502/7745/files/42769019210.pdf
    • https://cdn.shopify.com/s/files/1/0431/7839/3749/files/jelojobafajivazuxefajilir.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005f67.bin
9baf64ea503df801fe4a27857e5c1bf740a8eb71407acb239c4c7fd2a57e6b57		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F67 4968 bytes
font_01_sfnt_off00007025.bin
0b08e9f008b7f9bb6f5bb8055522dfea3ecb869ae9af00b2017c9a447ea032ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7025 9692 bytes
font_02_sfnt_off00009163.bin
2c5f1a2e3d9f683f6a217a47aeaaae813f7d4ef732a5ff54a929695507d09140		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9163 16092 bytes

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