Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2971ceb2ae0f403…

MALICIOUS

PDF

45.1 KB Created: 2020-08-01 12:46:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 884b724d6923eea6b3a6d3eebc39526e SHA-1: 2d4abb8a54a0d84429e7748c846b479ec3b3cac0 SHA-256: e2971ceb2ae0f403b8de831922ac50265421eed4adde676d3b695188599827fd
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with one identified as a malicious redirector. The primary purpose appears to be directing users to external sites, likely for phishing or malware distribution. The presence of a malicious redirector at https://ttraff.cc/pify?keyword=drake+summer+sixteen+zippy strongly suggests malicious intent.

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=drake+summer+sixteen+zippy
    • http://files.humanitycenter4change.org/uploads/1/3/0/8/130814043/3c78265436.pdf
    • http://files.hillcrest2018.com/uploads/1/3/1/0/131070523/4145378.pdf
    • http://files.geoffwestlake.com/uploads/1/3/1/4/131437839/dasivafawasikexirem.pdf
    • https://cdn.shopify.com/s/files/1/0430/7386/3842/files/36390800867.pdf
    • https://cdn.shopify.com/s/files/1/0431/0423/9770/files/fivagatimaximu.pdf
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/21317632774.pdf
    • https://cdn.shopify.com/s/files/1/0430/8910/0951/files/wonirixutatapujofaro.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tekutuni.pdf
    • https://cdn.shopify.com/s/files/1/0431/6083/0108/files/xilisopixejaveligaxaxud.pdf
    • https://cdn.shopify.com/s/files/1/0437/2702/8375/files/fuzelatowejufapafixuxutus.pdf
    • https://cdn.shopify.com/s/files/1/0434/1130/8696/files/39345041388.pdf
    • https://cdn.shopify.com/s/files/1/0430/0704/9887/files/cobra_dsp_9200_bt.pdf
    • https://cdn.shopify.com/s/files/1/0431/1370/9722/files/73584469038.pdf
    • https://cdn.shopify.com/s/files/1/0430/1655/2605/files/lifexuwedupobunewetitifax.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_off0000708b.bin
d568c0b0b8ef7d781cb36c7088ab1fba47be58293578c6e56a5c292cdc7a6b1c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x708B 5216 bytes
font_01_sfnt_off0000824f.bin
97454529663321acee5604dd1acd3927425070f6a3d8689f510da49da3cac5d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x824F 10752 bytes

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