Malicious PDF — malware analysis report

Static analysis result for SHA-256 9df6547544f56a65…

MALICIOUS

PDF

39.8 KB Created: 2020-08-23 06:48:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a50b6607a35ceba1d11037bedd0a9157 SHA-1: 83a34739fae2508666f88544876d7ad58a122223 SHA-256: 9df6547544f56a656d796c3ddb457c2da22bc19ddad1d37710004aae9e259349
150 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector. The primary malicious URL, 'https://ttraff.cc/pify?keyword=tft+builds+guide', is embedded within the document body and likely serves as the initial lure. The document's content and structure suggest a phishing or scam attempt, aiming to redirect users to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=tft+builds+guide
    • http://gadata.jacobsladderbrookside.com/uploads/1/3/0/7/130776322/mozaru-jofujuje-katanizux.pdf
    • http://files.marzipan-media.com/uploads/1/3/1/8/131856184/7584706.pdf
    • http://pasoka.helenlangfordvoiceovers.co.uk/uploads/1/3/0/8/130814297/ximalajogebifa_xenawomuzejub_jufokimaz.pdf
    • http://riziga.lovelocalnashville.com/uploads/1/3/0/9/130969018/3365685.pdf
    • https://cdn.shopify.com/s/files/1/0434/0813/0197/files/38952693574.pdf
    • https://cdn.shopify.com/s/files/1/0437/7850/6904/files/application_form_for_uk_passport.pdf
    • https://cdn.shopify.com/s/files/1/0429/9918/5561/files/jevasusowexelotobezasix.pdf
    • https://cdn.shopify.com/s/files/1/0438/5128/4642/files/cost_function_octave.pdf
    • https://cdn.shopify.com/s/files/1/0430/7098/0245/files/natapejagawevopu.pdf
    • https://cdn.shopify.com/s/files/1/0431/0876/1751/files/rna_mediated_epigenetic_regulation_of_gene_expression.pdf
    • https://cdn.shopify.com/s/files/1/0432/9691/5621/files/bohr_s_model_of_hydrogen_atom_and_its_limitations.pdf
    • https://cdn.shopify.com/s/files/1/0434/5544/7202/files/amazonia_legal.pdf
    • https://cdn.shopify.com/s/files/1/0435/4749/2506/files/tafabusefi.pdf
    • https://cdn.shopify.com/s/files/1/0431/8153/9489/files/54497748647.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_off00005fd3.bin
41d4961a66e875fdede2ace1758ef211ca1ebb2c71038f358dfef9ed9a9fa8e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FD3 4860 bytes
font_01_sfnt_off00007069.bin
4681f3bf48485c19cf07cbd3f8920d98bb4ebfd00e38b5574880a37f1567fb59		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7069 10080 bytes

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