Malicious PDF — malware analysis report

Static analysis result for SHA-256 20ea7058e60f84cd…

MALICIOUS

PDF

65.0 KB Created: 2020-09-01 10:10:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 54e065ecd83ba83abe843512aae8ccf6 SHA-1: bf8b74242f785ad540879e5183bbda23a015ef7d SHA-256: 20ea7058e60f84cdf2ea8373c6fd0ec64d28272dbc21578d7ea672005000b3a4
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to Shopify domains hosting PDF files, suggesting a link farm for SEO manipulation or traffic redirection. One critical heuristic identified a link to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/wix?keyword=high+bass+songs++bollywood', indicating a lure to attract users interested in Bollywood music. The presence of a malicious redirector link strongly suggests an attempt to lead users to malicious content or phishing 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.com/wix?keyword=high+bass+songs++bollywood
    • https://cdn.shopify.com/s/files/1/0433/2191/7598/files/the_deep_peter_benchley.pdf
    • https://cdn.shopify.com/s/files/1/0430/7006/2754/files/cd_siz_format_windows_7.pdf
    • https://cdn.shopify.com/s/files/1/0437/5573/3153/files/fazojulogugozolokeragojix.pdf
    • https://cdn.shopify.com/s/files/1/0435/1731/3176/files/77309171646.pdf
    • https://cdn.shopify.com/s/files/1/0429/9587/5989/files/tp_link_archer_c2_user_manual.pdf
    • https://static.usrfiles.com/ugd/f103bb_a92a0d5c016f4271a14dc18307a1bfc8.pdf
    • https://static.usrfiles.com/ugd/09c3c7_1127932989bd4da1ac32960fe0b37907.pdf
    • https://static.usrfiles.com/ugd/74e9cf_38c91a516b4e4a0b88cf925fee925152.pdf
    • https://static.usrfiles.com/ugd/2274a7_0450056ebb924d5abf3b9bb66c6b80a4.pdf
    • https://static.usrfiles.com/ugd/99afdc_b11a8be5b18845fda4f4fbb6177b69d9.pdf
    • https://static.usrfiles.com/ugd/e4a001_17eb42a190af470e9fcc5f2991368058.pdf
    • https://static.usrfiles.com/ugd/b8c837_2810cdd32c5249599da4891bfd40db03.pdf
    • https://static.usrfiles.com/ugd/51c472_3e06afcdf58543a1926207c8d4124018.pdf
    • https://static.usrfiles.com/ugd/0d2908_1b8fdac3986241138695832b8a88e71c.pdf
    • https://static.usrfiles.com/ugd/d4da64_19a157d46b8e4301ba2af265f688d856.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009851.bin
d7b41ec5e864f6fae18c10469f43e6c6556e3bc9ee9ac237e8fca0ddb1cd1858
pdf-font-stream PDF embedded font (sfnt) at offset 0x9851 5284 bytes
font_01_sfnt_off0000aa5f.bin
3c4061393a3cd05349c61dbf83b688cfbf6347f4257a624e842be274ea3a7c76
pdf-font-stream PDF embedded font (sfnt) at offset 0xAA5F 14312 bytes
font_02_sfnt_off0000d79d.bin
dabf0ccc451caf4864c9b22ca91318a92e8f625b469dd0561edf59b451c7a792
pdf-font-stream PDF embedded font (sfnt) at offset 0xD79D 18776 bytes