Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ea23c2981e0f0cf…

MALICIOUS

PDF

47.1 KB Created: 2020-08-11 13:29:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 82e1ab3c29367fa4e623a8355ad2905f SHA-1: 9d0d7b72182022ff9353ea2e10fbdbbb3c157463 SHA-256: 3ea23c2981e0f0cfd02d79fb3c22b7851ee005a68eeb4b0028268d705e966e67
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates a malicious redirector link, specifically 'https://ttraff.ru/pify?keyword=pm+awas+yojana+draw+list+2020+pdf'. The document body, though heavily obfuscated, also contains this URL and appears to be a lure related to a government scheme, suggesting a phishing or malware distribution attempt. The presence of multiple unknown URLs further supports this. No scripts were extracted from this sample.

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=pm+awas+yojana+draw+list+2020+pdf
    • http://xunam.centralparkdata.com/uploads/1/3/0/8/130874422/9c3cd043b5f2a.pdf
    • http://suzosok.grandmasclosetholbrook.com/uploads/1/3/1/4/131452903/bobokuzuluwuxu_rumilekavaza_vedagogaku.pdf
    • http://files.hpdowntown.com/uploads/1/3/1/3/131379353/4227288.pdf
    • https://cdn.shopify.com/s/files/1/0430/8228/5216/files/statistical_methods_for_the_social_sciences_4th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0429/6274/7545/files/27867878094.pdf
    • https://cdn.shopify.com/s/files/1/0431/4421/6730/files/67971984530.pdf
    • https://cdn.shopify.com/s/files/1/0430/6285/3794/files/80503377749.pdf
    • https://cdn.shopify.com/s/files/1/0454/4344/8990/files/fofilo.pdf
    • https://cdn.shopify.com/s/files/1/0438/3876/7264/files/baguj.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wopesutokuvikoku.pdf
    • https://cdn.shopify.com/s/files/1/0433/3027/3435/files/wazeberusobu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zosakasebiribo.pdf
    • https://cdn.shopify.com/s/files/1/0436/4809/0272/files/varugijetadogotilapez.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_off00006349.bin
dad6cf9ab1332b038e0077a01e83bf936cf4e855bee91933ebda52c98ec2b7fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6349 5732 bytes
font_01_sfnt_off000076cb.bin
bb9086bcafecda5525961afed8f0a2974afdf1a3bad0ab157cd63598916b9943		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76CB 10012 bytes
font_02_sfnt_off00009950.bin
ec670fe98ea0089319c8f023e1f4560b799c38635bb6bdfcbdd1865adf42edb5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9950 5604 bytes

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