Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee70a66f1256834b…

MALICIOUS

PDF

44.2 KB Created: 2020-08-16 16:49:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 710fbb86fe8a9196187d2fe3f5a86df0 SHA-1: e0aec8f70aa5a5f3059289f13d8d99098e141c63 SHA-256: ee70a66f1256834b95a72cdc413f258bbb0c49c542efb4f8be86b263891036cd
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, many of which point to external PDF files hosted on various domains, including a known malicious redirector. The primary malicious link, 'https://ttraff.com/pify?keyword=soul+altar+guide+osrs', is designed to redirect the user to further malicious content. The presence of a link farm and a malicious redirector indicates a social engineering attack aimed at leading users to 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.com/pify?keyword=soul+altar+guide+osrs
    • http://files.roseofhopefoundation.org/uploads/1/3/1/4/131438835/wosifefibozazanalaj.pdf
    • http://files.fredericdurand.com/uploads/1/3/0/7/130740524/ziwetidurijisis.pdf
    • http://files.dearwestergrain.com/uploads/1/3/1/4/131437425/zeguv.pdf
    • http://puniz.wellspringky.com/uploads/1/3/1/4/131483001/1976877.pdf
    • http://nekuxujav.bakerranchlava.com/uploads/1/3/0/7/130739845/39907.pdf
    • https://cdn.shopify.com/s/files/1/0431/1187/4716/files/colirio_conjuntivite_bacteriana.pdf
    • https://cdn.shopify.com/s/files/1/0432/0896/6306/files/7051999325.pdf
    • https://cdn.shopify.com/s/files/1/0427/8000/0423/files/characteristics_of_money.pdf
    • https://cdn.shopify.com/s/files/1/0431/6954/6395/files/fosimab.pdf
    • https://cdn.shopify.com/s/files/1/0433/3826/8830/files/xigidedukafoxodigepi.pdf
    • https://cdn.shopify.com/s/files/1/0428/4055/5687/files/fuwigufefufakujub.pdf
    • https://cdn.shopify.com/s/files/1/0429/0294/5959/files/24289373747.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/30553092986.pdf
    • https://cdn.shopify.com/s/files/1/0433/0654/9406/files/17711004860.pdf
    • https://cdn.shopify.com/s/files/1/0452/2138/0247/files/22793790340.pdf
    • https://cdn.shopify.com/s/files/1/0431/1705/2066/files/medunaxipowikokatexewova.pdf
    • https://cdn.shopify.com/s/files/1/0437/4459/2021/files/mezovilalezapa.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_off00006f71.bin
59e1ad7d0685ac1fa90609d4e53bbef952df08b66084ff1f213d6efb8abe3dea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F71 5096 bytes
font_01_sfnt_off000080c9.bin
13a774164362ff6bfd82dcc0abfefb4ee82a89cf3a78e117dc61b564bed4a5a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80C9 10212 bytes

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