Malicious PDF — malware analysis report

Static analysis result for SHA-256 5997bfafe4d49459…

MALICIOUS

PDF

53.0 KB Created: 2020-09-09 15:01:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9273af782b9a2f9264ccaa62b0a7af76 SHA-1: d1b4ded49f4677f95785300f98404477ddfde898 SHA-256: 5997bfafe4d49459c45b99a4412f25df1b05099f78e0dd0c4e2a3c5a76088fb5
120 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'Lineage 2 classic fast leveling guide' and embeds multiple URLs. One of these URLs, 'https://ttraff.me/pify?keyword=lineage+2+classic+fast+leveling+guide', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and other PDF links, suggesting a link farm or redirection tactic. The presence of a malicious redirector indicates an attempt to lead the user to a harmful destination, likely for phishing or malware delivery.

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.me/pify?keyword=lineage+2+classic+fast+leveling+guide
    • http://xadigodo.alanalevandoski.com/uploads/1/3/1/4/131408738/2144082.pdf
    • http://files.jmontanaphotography.com/uploads/1/3/1/8/131857580/rejol-zofejemosor.pdf
    • https://static.usrfiles.com/ugd/01e791_8012e26d82d444b09f01d99127622546.pdf
    • https://static.usrfiles.com/ugd/956c05_64c5adc8114e4500a0043aad8eb83998.pdf
    • https://static.usrfiles.com/ugd/63022f_a213850d4e3e49299876052872fa938b.pdf
    • https://cdn.shopify.com/s/files/1/0430/5335/1066/files/penotawufuzuzelu.pdf
    • https://cdn.shopify.com/s/files/1/0430/4555/2290/files/25106955189.pdf
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/ritinubusivitikipugugedi.pdf
    • https://static.usrfiles.com/ugd/4cd51e_2f176864c5a94c10a5840c5beee57163.pdf
    • https://static.usrfiles.com/ugd/b8c837_f00786febb774dfcb39f79a1bc40f0bc.pdf
    • https://static.usrfiles.com/ugd/3f4b99_f3e59cbf20e64041bdef28478ded4916.pdf
    • https://static.usrfiles.com/ugd/0c4177_46996fc21f23461b9ca1641771ee4ae3.pdf
    • https://static.usrfiles.com/ugd/8e9e2f_894a9db99f304e8eb2a5cd351547508c.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_off00008608.bin
074c237d78065f8751056223f51c4ce449de4c13e32b7ef467a0c3405b7fae5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8608 4996 bytes
font_01_sfnt_off00009722.bin
a1faaad8b37ad136db8830a5903a7fb944d109e0e42e9acd0f842e5ccaaa3391		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9722 9828 bytes
font_02_sfnt_off0000b8e0.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB8E0 4324 bytes

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