Malicious PDF — malware analysis report

Static analysis result for SHA-256 321f0e483f1169ce…

MALICIOUS

PDF

43.5 KB Created: 2020-08-30 03:03:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f7db1b0378eea2e2cc1c1d1df253567a SHA-1: f398bfd00bfe75a54f046626090e84a38b6239f0 SHA-256: 321f0e483f1169ceaea703fa6347c81e80bbc78d1c3ee776c1fe38e65d8ed67b
160 Risk Score

Malware Insights

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

The PDF contains embedded links, one of which, 'https://ttraff.club/wix?keyword=gta+san+andreas+data+200+mb', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Gta san andreas data 200 mb' and the malicious URL, suggesting a lure to download potentially harmful content. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates that the document may be instructing the user to decrypt a password-protected archive, a common tactic for evading initial security scans.

Heuristics 4

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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.club/wix?keyword=gta+san+andreas+data+200+mb
    • https://cdn.shopify.com/s/files/1/0428/0611/6511/files/terunuxenofozibidewuvul.pdf
    • https://cdn.shopify.com/s/files/1/0434/4401/1168/files/witozotofelexaju.pdf
    • https://cdn.shopify.com/s/files/1/0435/4395/3567/files/arraylist_in_java_tutorial.pdf
    • https://cdn.shopify.com/s/files/1/0434/1723/9704/files/mac_rar_extractor.pdf
    • https://cdn.shopify.com/s/files/1/0430/6095/3249/files/69115284882.pdf
    • https://cdn.shopify.com/s/files/1/0437/6697/2577/files/71554737193.pdf
    • https://cdn.shopify.com/s/files/1/0431/2655/4780/files/dowunirodugovoro.pdf
    • https://cdn.shopify.com/s/files/1/0427/5830/8006/files/posterior_tibial_tendonitis_treatment.pdf
    • https://cdn.shopify.com/s/files/1/0431/6105/9477/files/xajedadinezinuvetonegip.pdf
    • https://static.usrfiles.com/ugd/b8c837_4d9df525fec94099a8c97dcaba23c6f5.pdf
    • https://static.usrfiles.com/ugd/e745be_2c1a74fcf8734e94aa8367f6e1541d65.pdf
    • https://static.usrfiles.com/ugd/b8c837_63b4a5d4864e4a369d15e0ee6b889cbb.pdf
    • https://static.usrfiles.com/ugd/b77b08_82088c521af54c5c9d883468c360f8d9.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_off00006987.bin
58ebaf5b0c6bbf328416e15314e9bf463e0e45e88a05edc22f6b1278a784965e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6987 5384 bytes
font_01_sfnt_off00007bbd.bin
8412a621c497e6022f118d70df91102f56657395369d56bd612440996d79e8c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BBD 11324 bytes

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