Malicious PDF — malware analysis report

Static analysis result for SHA-256 5914b420c0da5605…

MALICIOUS

PDF

56.9 KB Created: 2020-08-18 20:12:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 911e6c63247c242dc4c368cb726b8731 SHA-1: 6e8695797765fb00c242bea64374ade25c793655 SHA-256: 5914b420c0da560508e22f4703da60bbdf54279e59ce215b3e90ee10097a0089
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=aadhar+card+xml+format'. This URL is designed to lure users with a plausible-sounding pretext. The document also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify, likely to improve search engine ranking for malicious content. 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.cc/pify?keyword=aadhar+card+xml+format
    • http://vukajegix.hersheyblazetc.org/uploads/1/3/1/6/131606739/sovawofovufukareke.pdf
    • http://files.mpgresponsibilitynow.com/uploads/1/3/0/7/130775475/fusukub.pdf
    • http://files.mail.cantoncommunityfund.org/uploads/1/3/2/6/132695692/5e16c.pdf
    • http://files.edgarallanpollo.com/uploads/1/3/0/8/130814984/8665719.pdf
    • http://files.kai-ewing.com/uploads/1/3/0/8/130874180/dejafenovigofaf.pdf
    • https://cdn.shopify.com/s/files/1/0435/1374/1471/files/81153304940.pdf
    • https://cdn.shopify.com/s/files/1/0438/7107/6520/files/dxtory_2._0._133_crack.pdf
    • https://cdn.shopify.com/s/files/1/0438/4374/7990/files/rojepuwenavaxaxex.pdf
    • https://cdn.shopify.com/s/files/1/0433/5170/3706/files/age_of_empires_2_validating_subscriptions.pdf
    • https://cdn.shopify.com/s/files/1/0436/3950/5054/files/65913942541.pdf
    • https://cdn.shopify.com/s/files/1/0450/6081/7048/files/vogavojosexuzuxufasu.pdf
    • https://cdn.shopify.com/s/files/1/0436/5864/1573/files/torobupizol.pdf
    • https://cdn.shopify.com/s/files/1/0433/1274/2564/files/92198513510.pdf
    • https://cdn.shopify.com/s/files/1/0428/7594/5126/files/bunoz.pdf
    • https://cdn.shopify.com/s/files/1/0437/7883/4583/files/65993306922.pdf
    • https://cdn.shopify.com/s/files/1/0429/7015/3113/files/back_exercises_for_low_back_pain.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_off00009439.bin
1f445cd8eb626d318eefadd14750819793e10fac7414665b315742a90387efc2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9439 5140 bytes
font_01_sfnt_off0000a58f.bin
7607f567aac945e20770e0c32a3c496749e2ba530dd2279f98d045bcb4cbc10f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA58F 15420 bytes

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