Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4f14ccd05a49bcb…

MALICIOUS

PDF

49.5 KB Created: 2020-07-19 23:00:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 939a2ae4230d83df16961ea4d730ac52 SHA-1: 2a7bfcd59f4ff4843dcc85428535a12a6e68b940 SHA-256: e4f14ccd05a49bcbb7af7cf2a190144034c06bf4914080a63bc188ffe71e99db
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.com/wb?keyword=definition%20of%20religious%20pluralism%20pdf'. This suggests the document is designed to lure users into visiting malicious sites under the guise of providing PDF documents related to religious pluralism. 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.com/wb?keyword=definition%20of%20religious%20pluralism%20pdf
    • http://files.keepmaryoutofthekitchen.com/uploads/1/3/0/9/130969298/621ef3a12.pdf
    • http://files.svstorm.com/uploads/1/3/1/6/131637606/gunadokara.pdf
    • http://files.campcovenant.net/uploads/1/3/1/4/131482953/e0620bf.pdf
    • http://files.thesustainableregistry.org/uploads/1/3/1/6/131606874/pepafesuraxar_xuzedoxujasinit.pdf
    • http://files.ericksager.com/uploads/1/3/0/8/130874575/melogelib.pdf
    • http://files.ericksager.com/uploads/1/3/0/8/130874575
    • https://fuwafozi.files.wordpress.com/2020/07/nisapumazumegikodimikem.pdf
    • https://wojugelen.files.wordpress.com/2020/06/sosisojanidovetow.pdf
    • https://bavorekivaso.files.wordpress.com/2020/06/49040199682.pdf
    • https://luperixul.files.wordpress.com/2020/06/78164189018.pdf
    • https://visazuk.files.wordpress.com/2020/07/mikapozijesagigenuvak.pdf
    • https://bejonim164569579.files.wordpress.com/2020/06/41347612796.pdf
    • https://rapisikuzuv.files.wordpress.com/2020/06/gozilobakutuzedoni.pdf
    • https://leloxaj.files.wordpress.com/2020/07/kogufare.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zukukujumifuxutage.pdf
    • https://cdn.shopify.com/s/files/1/0431/0463/2998/files/virigojekuzanizubosibu.pdf
    • https://cdn.shopify.com/s/files/1/0432/2898/7547/files/98825848665.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51994241049.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zinigezumapafukutogu.pdf
    • https://cdn.shopify.com/s/files/1/0434/1350/4150/files/15852757450.pdf
    • https://cdn.shopify.com/s/files/1/0428/1758/5308/files/miwuniwesalazokidiwot.pdf
    • https://cdn.shopify.com/s/files/1/0431/4398/7361/files/2480222785.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wulusiwebope.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_off00008305.bin
f23a42f846f0873d810d654e66b414212934da09f0e6b22415011c3d82d937fc
pdf-font-stream PDF embedded font (sfnt) at offset 0x8305 5244 bytes
font_01_sfnt_off000094c6.bin
33f55d4c918042154bdc828fdcf81b4178486fc060952b64f58c5286aaf82458
pdf-font-stream PDF embedded font (sfnt) at offset 0x94C6 10536 bytes