Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0f6b9513165aa32…

MALICIOUS

PDF

41.1 KB Created: 2020-08-06 13:15:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6ff964972b397852be3a5cbfe43e8b39 SHA-1: a3d8b614d717740cd8b9deca326419b7e8d82302 SHA-256: f0f6b9513165aa32040234944e7cb9f24e891bf46ea995afc5b560913afe37ce
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a document about the dangers of smoking for teenagers. The document also exhibits characteristics of a link farm, with numerous embedded links to external PDFs, many hosted on Shopify. The primary malicious intent appears to be directing users to the ttraff.com URL, likely for further malicious activity.

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=bahaya+rokok+bagi+remaja+pdf
    • http://files.indianaregion.org/uploads/1/3/2/6/132682822/e4a2a0704d9.pdf
    • http://files.throughthereddoors.org/uploads/1/3/0/7/130775222/zipesevakazakot_weviralokinul_nerujasinup.pdf
    • http://files.alltheragemusic.com/uploads/1/3/0/9/130969231/donegawaga_xiposemaxomiwaz_xusosadawe_bulugotew.pdf
    • http://lagetaxe.jambo59.com/uploads/1/3/0/7/130739553/12bae9a6.pdf
    • https://cdn.shopify.com/s/files/1/0436/0064/2211/files/93424734602.pdf
    • https://cdn.shopify.com/s/files/1/0431/0073/3596/files/pirokaputenegusaxomabewu.pdf
    • https://cdn.shopify.com/s/files/1/0431/1531/5349/files/10284073671.pdf
    • https://cdn.shopify.com/s/files/1/0428/7083/3319/files/luxaxobiru.pdf
    • https://cdn.shopify.com/s/files/1/0435/4323/2661/files/nerup.pdf
    • https://cdn.shopify.com/s/files/1/0440/5297/1685/files/anatomy_of_human_spinal_cord.pdf
    • https://cdn.shopify.com/s/files/1/0434/7694/3000/files/deadmau5_4x4_12.pdf
    • https://cdn.shopify.com/s/files/1/0432/5117/1478/files/gawemuwawev.pdf
    • https://cdn.shopify.com/s/files/1/0436/1073/4755/files/mijuzafate.pdf
    • https://cdn.shopify.com/s/files/1/0434/6649/0006/files/fegavo.pdf
    • https://cdn.shopify.com/s/files/1/0435/0076/5336/files/46534911730.pdf
    • https://cdn.shopify.com/s/files/1/0433/2588/2518/files/57155008281.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_off0000628e.bin
f0e86ec1e53852a770ad811b23f9856ff61d2ea9f60d441f46551cc4816f4656		 pdf-font-stream PDF embedded font (sfnt) at offset 0x628E 5676 bytes
font_01_sfnt_off000075c6.bin
bdbe0016e0213ed7b2f8745110bf1297ded028b1bef5f75f69e206fbb2c843e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75C6 9980 bytes

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