Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5857dce9ffb33df…

MALICIOUS

PDF

43.4 KB Created: 2020-08-12 05:44:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 837726da00c9bfa5347bd2c5967129bb SHA-1: dd784831d587f0aff8032383c1c560fd73dc1bdc SHA-256: d5857dce9ffb33df1fd0f5e65f45433f018ab694769fa04623842afd7b7f04fe
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic indicating it links to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that leads to this redirector. The presence of numerous external links, many pointing to Shopify domains hosting PDF files, suggests a link farm or SEO poisoning tactic to distribute malicious content. The primary malicious IOC is the redirector URL.

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=becoming+supernatural+joe+dispenza+pdf
    • http://files.janeavril.net/uploads/1/3/1/3/131381900/024632be.pdf
    • http://files.allthewayefi.com/uploads/1/3/1/0/131070098/rowaf-masot-liweb.pdf
    • http://vesivid.creatorsstudio.org/uploads/1/3/0/7/130775734/pibenogopopur.pdf
    • https://cdn.shopify.com/s/files/1/0436/4189/7110/files/41262215614.pdf
    • https://cdn.shopify.com/s/files/1/0432/3662/2498/files/juxinebizevirawelavu.pdf
    • https://cdn.shopify.com/s/files/1/0434/9778/3458/files/24039321479.pdf
    • https://cdn.shopify.com/s/files/1/0434/8405/3669/files/kopowokotefijijigavelo.pdf
    • https://cdn.shopify.com/s/files/1/0433/2496/5019/files/mcquarrie_statistical_mechanics_solutions_manual.pdf
    • https://cdn.shopify.com/s/files/1/0434/3503/2737/files/20147067421.pdf
    • https://cdn.shopify.com/s/files/1/0429/0281/4876/files/69665202102.pdf
    • https://cdn.shopify.com/s/files/1/0433/6022/3397/files/annexure_e1_form.pdf
    • https://cdn.shopify.com/s/files/1/0434/6734/1974/files/basic_electronics_ktu_notes.pdf
    • https://cdn.shopify.com/s/files/1/0448/0493/1746/files/a_first_course_in_abstract_algebra_fraleigh_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/5550/4795/files/wurelumijibeg.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_off00006b49.bin
78bbfed70a07b74f6debfd69a04318fb61fba237751c0929670bad4f8cddfceb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B49 5652 bytes
font_01_sfnt_off00007e76.bin
55e01135fe70acb779635e9dda1b3fc877a1f87f385d7e9066e058ba8737816f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E76 10096 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.