Malicious PDF — malware analysis report

Static analysis result for SHA-256 472c0e0eea4e90e4…

MALICIOUS

PDF

43.1 KB Created: 2020-08-04 22:17:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 69abb716347578e21b5a80e8b8ace421 SHA-1: ae2d435caefcf55cf526b9e0a0fa6da57624ea88 SHA-256: 472c0e0eea4e90e4bdc3d7dbc144b2a2c18a6f1a5e2f41dbff688f4822a8b0dd
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=bakery+equipment+list+business+plan+pdf'. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a lure to disguise malicious content. The presence of a link farm further indicates an attempt to distribute content or redirect users to malicious sites. No scripts were extracted from this sample.

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=bakery+equipment+list+business+plan+pdf
    • http://files.autosearjig.com/uploads/1/3/2/7/132740665/tunotasa_witikigavufi_fezubamito.pdf
    • http://files.adanacfloor.com/uploads/1/3/1/4/131437094/rububimejolerod-wugifobejame-rosup.pdf
    • http://files.redeemernewton.com/uploads/1/3/1/6/131606046/3207720.pdf
    • https://cdn.shopify.com/s/files/1/0431/7960/6177/files/53118733696.pdf
    • https://cdn.shopify.com/s/files/1/0430/4365/1741/files/96914358933.pdf
    • https://cdn.shopify.com/s/files/1/0435/9120/5021/files/5740708220.pdf
    • https://cdn.shopify.com/s/files/1/0437/3184/5271/files/lyn_summoners_war.pdf
    • https://cdn.shopify.com/s/files/1/0433/3505/7559/files/71638046181.pdf
    • https://cdn.shopify.com/s/files/1/0430/7084/9181/files/baladegeroremopijukokez.pdf
    • https://cdn.shopify.com/s/files/1/0433/3607/3366/files/54537275556.pdf
    • https://cdn.shopify.com/s/files/1/0432/0159/3507/files/raxadat.pdf
    • https://cdn.shopify.com/s/files/1/0432/6470/4662/files/guruwofogebijadigijazut.pdf
    • https://cdn.shopify.com/s/files/1/0431/5083/5876/files/47856094336.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_off00006a49.bin
c0fde04da75be30c16969df73571e9639c4cb6a519941f19f6f6ef9038488984		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A49 5668 bytes
font_01_sfnt_off00007d84.bin
cb0341509aa9c0837efaa25b4f7ae54b7f898565109c604de9dd394c9e371728		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D84 10072 bytes

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