Malicious PDF — malware analysis report

Static analysis result for SHA-256 5176945191c89cb8…

MALICIOUS

PDF

34.1 KB Created: 2020-08-31 14:06:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8d237d58545ec5b7aac6cd38f6250dc2 SHA-1: d1770bbefcec24d05a454fbc8e0fd39356bdb2cb SHA-256: 5176945191c89cb8515ae62aa44d1025d24cb4dee13d1c199bec18cc7595e9bf
120 Risk Score

Malware Insights

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

The PDF file contains a link to a redirector URL, which is a common tactic for delivering malicious payloads or phishing pages. The document body, though heavily obfuscated, contains the text 'Avengers assemble episodes in 3gp' and the malicious redirector URL, suggesting a lure to entice users to click the link. The presence of numerous other PDF links, many pointing to shopify.com, indicates a link farm strategy, likely to improve SEO or distribute the malicious link.

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=avengers+assemble+episodes++in+3gp
    • https://cdn.shopify.com/s/files/1/0435/7016/7967/files/acs_chemistry_exam.pdf
    • https://cdn.shopify.com/s/files/1/0433/2955/2552/files/52568214055.pdf
    • https://cdn.shopify.com/s/files/1/0433/5511/1589/files/34392812646.pdf
    • https://cdn.shopify.com/s/files/1/0432/3675/3570/files/12811124903.pdf
    • https://static.usrfiles.com/ugd/1e32c2_1725804755eb44a0a63142423a0d1498.pdf
    • https://static.usrfiles.com/ugd/b8c837_a6c821a334da487bb98c5a7757e9deb7.pdf
    • https://static.usrfiles.com/ugd/585b1d_aa8f60e7026742e0a091cc741bb87264.pdf
    • https://static.usrfiles.com/ugd/696b8a_3ce3987473eb4fa3b2ea8ca6479f910e.pdf
    • https://static.usrfiles.com/ugd/cafc24_b8fd220437904f7382ddfdbb8ac9c475.pdf
    • https://static.usrfiles.com/ugd/9e41f0_7ccd915b391e42ce94ff8210fd755080.pdf
    • https://static.usrfiles.com/ugd/66c878_38ef3b6df90c4dcfb00744b9ce30c40d.pdf
    • https://static.usrfiles.com/ugd/1e32c2_a83d2f824e5e48d1a09601b3f0fb64f7.pdf
    • https://static.usrfiles.com/ugd/b8c837_bdfd312934db4f7abe1f82318d54d2ac.pdf
    • https://static.usrfiles.com/ugd/b8c837_a52dcec19ad449e08cce8e75e85e1561.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_off0000453e.bin
8802f25a8e37f69fa7c00b014fd362a3b0bac98e3d82a648aee7213dc1442e55		 pdf-font-stream PDF embedded font (sfnt) at offset 0x453E 5632 bytes
font_01_sfnt_off00005858.bin
502340ff3e99a011cde736e2dee3b3f2ec24be58104aedde000a9cd157d0f6a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5858 10312 bytes

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