Malicious PDF — malware analysis report

Static analysis result for SHA-256 e661f2a65cbde7c2…

MALICIOUS

PDF

42.6 KB Created: 2020-08-01 02:43:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9490f034b76ad2bc145451cd16616233 SHA-1: e5bb31a2f66672f3553a336b7b69b914ce47a472 SHA-256: e661f2a65cbde7c26078baaf30eef0acb290adf398e7f1a4166ac534659ffc1d
120 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, identified as a link farm. One of the primary links, 'https://ttraff.cc/pify?keyword=goodfellas+google+drive', points to a known malicious redirector. The document body, though heavily obfuscated, contains references to 'Goodfellas google drive' and the tool 'wkhtmltopdf', suggesting a social engineering lure to drive traffic to malicious sites.

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=goodfellas+google+drive
    • http://files.allriskinsmobile.com/uploads/1/3/0/7/130775639/nifude.pdf
    • http://files.taralynnmacdougall.com/uploads/1/3/2/6/132696104/doxuxi_tasikeda_butulinexowuta.pdf
    • http://files.chickiebean.org/uploads/1/3/0/9/130970008/xotajil-puwagulezujap-zopam-bopan.pdf
    • https://cdn.shopify.com/s/files/1/0430/6409/8970/files/69197476934.pdf
    • https://cdn.shopify.com/s/files/1/0439/7717/9294/files/85348003630.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/26225030347.pdf
    • https://cdn.shopify.com/s/files/1/0431/7410/1160/files/55847968238.pdf
    • https://cdn.shopify.com/s/files/1/0430/0688/6051/files/75133555211.pdf
    • https://cdn.shopify.com/s/files/1/0434/3041/2437/files/74360349118.pdf
    • https://cdn.shopify.com/s/files/1/0437/1644/4315/files/62868039708.pdf
    • https://cdn.shopify.com/s/files/1/0433/7709/8913/files/98542540810.pdf
    • https://cdn.shopify.com/s/files/1/0428/9154/2681/files/ditavoxadefafexikugerafif.pdf
    • https://cdn.shopify.com/s/files/1/0437/0743/3125/files/zan_s_minimap_1._7._10.pdf
    • https://cdn.shopify.com/s/files/1/0439/5696/1438/files/zefivokabibetamitez.pdf
    • https://cdn.shopify.com/s/files/1/0429/8522/6393/files/95194481905.pdf
    • https://beyondtheboxset.podbean.com/mf/play/pav2js/Goodfellas_2__Mob_Wife_Beauty_Shop.mp3
    • 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_off0000690d.bin
2d697fed498b11e40d57ff427246ea42d709b7c2406225fae89c1942853d3bf7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x690D 5168 bytes
font_01_sfnt_off00007abb.bin
596e7cb53a4cfd1eeaba127fabc094dc89c92da93aa8231062f2f004d8740b8f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7ABB 10120 bytes

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