Malicious PDF — malware analysis report

Static analysis result for SHA-256 d754e4fe2083f176…

MALICIOUS

PDF

53.1 KB Created: 2020-09-01 01:02:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6460a977db7f11508d0c712812d4a6b3 SHA-1: c4eb210b77a175bfb70f9b449416b84895141229 SHA-256: d754e4fe2083f17674b564cd04f1dffd89c6aaaeca3e74669bb20d0a411b657d
128 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/wix?keyword=youcam+perfect+camera+application'. Additionally, a PDF link farm heuristic indicates a large number of external links, with one pointing to a Shopify domain. The document body, though heavily obfuscated, contains the same malicious URL and a benign Shopify URL. The presence of urgency language further supports a social engineering attack pattern. No scripts were extracted from this sample.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/wix?keyword=youcam+perfect+camera+application
    • https://cdn.shopify.com/s/files/1/0440/3278/6597/files/37743373117.pdf
    • https://cdn.shopify.com/s/files/1/0437/6097/6021/files/56793904431.pdf
    • https://cdn.shopify.com/s/files/1/0430/8621/7383/files/tonekodakobadipakuviz.pdf
    • https://cdn.shopify.com/s/files/1/0433/7513/2821/files/64205338457.pdf
    • https://cdn.shopify.com/s/files/1/0437/5232/5272/files/law_abiding_citizen_movie_in_isaimini.pdf
    • https://cdn.shopify.com/s/files/1/0429/4891/9450/files/bevuse.pdf
    • https://static.usrfiles.com/ugd/850f07_042107ea767d4c6caa1b12ca1fa66695.pdf
    • https://static.usrfiles.com/ugd/856cea_f4d1d2c87f514e92a5a38569cfdac14f.pdf
    • https://static.usrfiles.com/ugd/3bca44_c87408ed29e14afe969517f6e4a83318.pdf
    • https://static.usrfiles.com/ugd/a31856_de8b50ddfa864404ad2e0a97b0319a75.pdf
    • https://static.usrfiles.com/ugd/cc089a_1bc3167f60524a058e715c0e6b13329d.pdf
    • https://static.usrfiles.com/ugd/0c41e7_d52b1d1223ee4f0785a1c35717103b49.pdf
    • https://static.usrfiles.com/ugd/f3ecbe_14861a5366e94f6d9295604af55ceccb.pdf
    • https://static.usrfiles.com/ugd/ca300b_13cd2a14c42941e08c98ccf137308b2e.pdf
    • https://static.usrfiles.com/ugd/d54300_c81538d2c698424593c771a199d9b984.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000062ce.bin
cb9072f881c1fe0ad8900bbcc5a20a23fabb306412f64e001cac76c2a9509f2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62CE 2952 bytes
font_01_sfnt_off00006d5d.bin
33de15db4717f4d7e93d3947e42a18bc7c6de6a0a168a9865c0aae9b5cb0c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D5D 4944 bytes
font_02_sfnt_off00007e18.bin
35783007b7d76a90876e49ab230f4db24a0638395d72f2cf77c8e7d9ff1c7523		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E18 2908 bytes
font_03_sfnt_off00008a3c.bin
43998f34e381aa954c266086b0959872b0be12d7688779b506cf4a1648f47246		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A3C 11044 bytes
font_04_sfnt_off0000aef1.bin
6412315db15a75421fadf12ee4e93ce9230171af74bf7f0878a939b1182dd56f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAEF1 16288 bytes

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