Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d7a07da9f1a34b3…

MALICIOUS

PDF

39.2 KB Created: 2020-08-30 14:02:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 396be975c0a266ed2808cc51bf99bd4e SHA-1: f5aa3797619e1c84580bd8c82e6ad15bd55ad60e SHA-256: 9d7a07da9f1a34b33a3b61dfef16fe95ca5716991707dbfc9ce8898c28060b40
128 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a download lure for 'Daredevil season 1 episode 7 download'. The link directs to 'https://ttraff.cc/wix?keyword=daredevil+season+1+episode+7+download', which is flagged as malicious. The document also exhibits characteristics of a PDF link farm, with numerous embedded links to external PDFs, many hosted on Shopify and static.usrfiles.com. 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=daredevil+season+1+episode+7+download
    • https://cdn.shopify.com/s/files/1/0431/3173/2122/files/89254922174.pdf
    • https://cdn.shopify.com/s/files/1/0437/3420/4568/files/91536786230.pdf
    • https://cdn.shopify.com/s/files/1/0430/8339/9321/files/guida_turistica_bilbao.pdf
    • https://cdn.shopify.com/s/files/1/0439/1924/5467/files/robigimuzupavubepivor.pdf
    • https://static.usrfiles.com/ugd/b8c837_ef21abd4d10d4d0490ede476d398db3f.pdf
    • https://static.usrfiles.com/ugd/7baf93_3ac4e514d0fd4ec89599a6aa60bd8b7f.pdf
    • https://static.usrfiles.com/ugd/7c3584_f2334c42d1494ecb949f2ed31ef1083b.pdf
    • https://static.usrfiles.com/ugd/3bf302_f5663b9fd70e4f69a762ad2c687537be.pdf
    • https://static.usrfiles.com/ugd/b8c837_1f0d6ebb48224e0291c738e83f12f25a.pdf
    • https://static.usrfiles.com/ugd/b8c837_8f50a5e426af48a5a32e29de52799ca1.pdf
    • https://static.usrfiles.com/ugd/b8c837_ed0b716124984bd295055a03a17a085f.pdf
    • https://static.usrfiles.com/ugd/b8c837_03fabe0c4f734b85b60c8473cbeac064.pdf
    • https://static.usrfiles.com/ugd/b8c837_855f772ebb2943a78ef9bfa6a3b7f4fb.pdf
    • https://static.usrfiles.com/ugd/b8c837_2a61fc3bb1214983a4047278be7b03db.pdf
    • https://static.usrfiles.com/ugd/856cea_14e326804d9b443fa90f2649fadc1491.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_off00004e82.bin
f2f274cb564d4379d85dbb2a884eb0a54df4458789890eb0568db967919e91e1
pdf-font-stream PDF embedded font (sfnt) at offset 0x4E82 4944 bytes
font_01_sfnt_off00005f71.bin
e17b70524bbeab32b42272515d575039c4a300ce9d455ade8d0de13eb527d37a
pdf-font-stream PDF embedded font (sfnt) at offset 0x5F71 9964 bytes
font_02_sfnt_off000081ae.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230
pdf-font-stream PDF embedded font (sfnt) at offset 0x81AE 4324 bytes