Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2203bbbfd2ac006…

MALICIOUS

PDF

48.6 KB Created: 2020-08-01 06:55:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8c700fed90d3b1890dc697806fdffc19 SHA-1: 7003a8afd5947916a79c874e392daa2c358fb95d SHA-256: e2203bbbfd2ac006e5352279fd2becffcab801fa6f2a7348de02b652c514fe07
160 Risk Score

Malware Insights

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

The PDF file contains a heuristic match for an advance-fee scam lure, indicating it is designed to trick users into believing they have won a prize or are due a large sum of money. It also contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=lira+galore+wikipedia', which is likely used to direct users to malicious content. The document also features a large number of embedded links, many hosted on Shopify, which is characteristic of a PDF link farm used for SEO poisoning or distributing malicious payloads.

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=lira+galore+wikipedia
    • http://files.saladebellezarubi.com/uploads/1/3/2/8/132816185/6685531.pdf
    • http://files.mercedffa.org/uploads/1/3/1/6/131606186/fd7b16.pdf
    • http://files.thankfulrecords.com/uploads/1/3/0/9/130969809/kezudenuke-xokor-sipilivisipu.pdf
    • http://files.vesnamcmaster.com/uploads/1/3/0/7/130739275/pirixetalidage.pdf
    • https://cdn.shopify.com/s/files/1/0439/8697/6926/files/37387386806.pdf
    • https://cdn.shopify.com/s/files/1/0434/5724/9430/files/77824826261.pdf
    • https://cdn.shopify.com/s/files/1/0433/9502/3013/files/lifeko.pdf
    • https://cdn.shopify.com/s/files/1/0437/2388/2650/files/pituninumusegi.pdf
    • https://cdn.shopify.com/s/files/1/0433/6710/4668/files/fobalusemugiv.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78394199391.pdf
    • https://cdn.shopify.com/s/files/1/0432/1817/4107/files/49956075948.pdf
    • https://cdn.shopify.com/s/files/1/0438/3621/1357/files/livagabo.pdf
    • https://cdn.shopify.com/s/files/1/0430/1740/4573/files/ribafa.pdf
    • https://cdn.shopify.com/s/files/1/0432/8072/8224/files/98023047385.pdf
    • https://cdn.shopify.com/s/files/1/0435/7583/6840/files/sixadozevexanadujeworina.pdf
    • https://cdn.shopify.com/s/files/1/0429/3863/0300/files/bawudu.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000073bd.bin
afb41390cdf42bb76a6a2d3dfca23ab02193017bc248981a7819ffab4c26961d
pdf-font-stream PDF embedded font (sfnt) at offset 0x73BD 4648 bytes
font_01_sfnt_off000083a0.bin
7ade54bde1b45bdd5db9d2e482fece36f5aabdfe55e3051e5b19e1f5d57f42d8
pdf-font-stream PDF embedded font (sfnt) at offset 0x83A0 10376 bytes
font_02_sfnt_off0000a704.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361
pdf-font-stream PDF embedded font (sfnt) at offset 0xA704 4324 bytes