Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8e03cc9b4cf20f9…

MALICIOUS

PDF

43.3 KB Created: 2020-09-12 04:50:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 89aefd2d4aa9174cb61e995f8b7efc38 SHA-1: 86b5ef58afd1a6b2acd57f8b60ea33b0fa537100 SHA-256: e8e03cc9b4cf20f917650bff56c4db2aa2c4e86abb57c29dcdd09a860a62f7ea
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.link/wix?keyword=alien+shooter+2+guide'. This URL is presented within the document body, disguised as a game guide, to entice users into clicking it. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many of which point to user-uploaded content. 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.link/wix?keyword=alien+shooter+2+guide
    • http://files.thewomanbehindthewarrior.com/uploads/1/3/1/8/131871614/7934274.pdf
    • http://files.fsasuffolk.org.uk/uploads/1/3/2/8/132814024/sokabimizerixu.pdf
    • http://degup.premieroftampabay.com/uploads/1/3/0/7/130776674/porajofofuxowilod.pdf
    • http://dutixenaf.cdsttgwu.com/uploads/1/3/1/4/131483281/wuvux.pdf
    • https://static.usrfiles.com/ugd/4733ca_066bd215d1df4c75a86de44a4d956447.pdf
    • https://static.usrfiles.com/ugd/b16523_124305858d3f4934aec4d7fbb07bdc48.pdf
    • https://static.usrfiles.com/ugd/64bd79_db21808914f34cd78656099f4103f20e.pdf
    • https://static.usrfiles.com/ugd/80bfa9_fc41bce40a4245c492ac4fcd2dcc5b99.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78108387577.pdf
    • https://cdn.shopify.com/s/files/1/0433/8050/6773/files/rational_function_graph.pdf
    • https://cdn.shopify.com/s/files/1/0433/6222/2232/files/xozetorisamumejo.pdf
    • https://cdn.shopify.com/s/files/1/0430/7235/6514/files/xenarawuxezugeg.pdf
    • https://cdn.shopify.com/s/files/1/0446/9247/1962/files/10th_class_science_notes_in_marathi.pdf
    • https://cdn.shopify.com/s/files/1/0434/4558/4033/files/pokemon_your_adventure.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_off00006062.bin
35da82604e86be7b6335a4c1b29dc27e283f07b01e917fc994b7f27d8a3c7275		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6062 4880 bytes
font_01_sfnt_off000070f1.bin
ae26015702e6937d6d3f5b810f30471f3656e3656171ea5d57af9cd498889240		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70F1 9808 bytes
font_02_sfnt_off00009294.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9294 4324 bytes

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