Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb1aed0132ee35dd…

MALICIOUS

PDF

41.0 KB Created: 2020-08-27 23:45:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6ee178094174cefecfe0f86af167a10f SHA-1: 7cd9502abfe9b60fe0c717027062969122be6e50 SHA-256: bb1aed0132ee35ddd402989c7599b6544956aef8905408a01d823996297d2787
120 Risk Score

Malware Insights

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

The PDF contains embedded links, with one specifically identified as a malicious redirector pointing to 'https://ttraff.me/pify?keyword=the+namesake+movie+free+streaming'. This indicates a phishing or scam attempt to trick users into visiting a malicious site. The document also exhibits characteristics of a link farm, with numerous links to external PDFs, likely for SEO manipulation or to host further malicious 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.me/pify?keyword=the+namesake+movie+free+streaming
    • http://files.vivavocestyling.com/uploads/1/3/2/8/132816107/749482ee66ca6f.pdf
    • http://files.infantswimphilly.com/uploads/1/3/2/6/132695352/979480.pdf
    • https://cdn.shopify.com/s/files/1/0431/7321/6412/files/noxumubukapazuzumugepa.pdf
    • https://cdn.shopify.com/s/files/1/0440/8472/3864/files/microsoft_office_2019_crack.pdf
    • https://cdn.shopify.com/s/files/1/0431/3110/9540/files/daxomujazoladi.pdf
    • https://cdn.shopify.com/s/files/1/0438/7163/3563/files/sifotonajimaj.pdf
    • https://cdn.shopify.com/s/files/1/0431/8943/6580/files/59182310299.pdf
    • https://cdn.shopify.com/s/files/1/0428/6355/8815/files/59531392599.pdf
    • https://cdn.shopify.com/s/files/1/0430/4614/2114/files/ffxiv_leatherworker_quests.pdf
    • https://cdn.shopify.com/s/files/1/0431/8488/1824/files/74246615104.pdf
    • https://cdn.shopify.com/s/files/1/0430/4217/7181/files/wuzoniripavonuzujibi.pdf
    • https://cdn.shopify.com/s/files/1/0438/5941/1094/files/47616320331.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37237973095.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_off00005fb1.bin
d781e9aed573f4466946ea144f4ede4107c170a359e39729f8d11888f0af4ec3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FB1 5220 bytes
font_01_sfnt_off00007153.bin
2e4d55e7676d5259f5152ed65fbebd414c4438a00f4a88026b37a38462a26c32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7153 11060 bytes

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