Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd9c6287deecf80b…

MALICIOUS

PDF

66.6 KB Created: 2020-08-10 16:51:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4a68dd1c95e021166e9e05cb2ef60a77 SHA-1: 074b72303922c118c562ccb9e3031156c93ddca5 SHA-256: dd9c6287deecf80b9d31fe54f2998b3a5c2be7051cda8990b8e70a3b09c8dd39
120 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link pointing to 'ttraff.com', disguised as a document about international calling codes. This indicates a phishing or social engineering attempt to redirect the user to malicious infrastructure. The PDF also features a link farm, suggesting an attempt to manipulate search engine results or distribute further malicious content.

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=international+calling+codes+pdf
    • http://files.alexandraroth.net/uploads/1/3/0/7/130776795/7765572.pdf
    • http://lapudowu.100womenwhocaremedina.com/uploads/1/3/1/4/131436978/ac28d739658.pdf
    • http://files.caradocpricefuneraldirectors.com/uploads/1/3/0/7/130775115/likaxexa.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89647405972.pdf
    • https://cdn.shopify.com/s/files/1/0428/7276/6631/files/killer_queen_solo_tab.pdf
    • https://cdn.shopify.com/s/files/1/0432/2020/5726/files/86700795772.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vonabubabosutogoxofe.pdf
    • https://cdn.shopify.com/s/files/1/0436/6453/9798/files/43542883306.pdf
    • https://cdn.shopify.com/s/files/1/0435/1698/5503/files/40491783163.pdf
    • https://cdn.shopify.com/s/files/1/0437/0772/8023/files/are_you_addicted_to_your_phone_quiz.pdf
    • https://cdn.shopify.com/s/files/1/0431/1918/1978/files/adobe_reader_error_109.pdf
    • https://cdn.shopify.com/s/files/1/0434/1940/2405/files/22115721720.pdf
    • https://cdn.shopify.com/s/files/1/0447/5600/9111/files/papipuvoxin.pdf
    • https://cdn.shopify.com/s/files/1/0437/6847/9893/files/6289237707.pdf
    • https://cdn.shopify.com/s/files/1/0431/6495/8879/files/solus_value_guide_catalog.pdf
    • https://cdn.shopify.com/s/files/1/0436/2154/8194/files/la_administracion_publica_concepto_y_clases.pdf
    • https://cdn.shopify.com/s/files/1/0430/0341/2633/files/schengen_visa_online_form.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_off0000ba5a.bin
10b133e199eba0a8a3cadd0e63b002f2e3a686489e80800d4ea1fa00400cdb90		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBA5A 5260 bytes
font_01_sfnt_off0000cc41.bin
aa28fd6e18b532607933654d0d0cd742425cbea9a816cbb3985ad66d7abddff1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCC41 16148 bytes

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