Malicious PDF — malware analysis report

Static analysis result for SHA-256 b646da3097f99dfc…

MALICIOUS

PDF

61.0 KB Created: 2020-08-28 07:16:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6ded424dd923fb5aa3d796979c6effc6 SHA-1: 18d9ef810eb9b4f1d4933e9078f9561e1ffd9f42 SHA-256: b646da3097f99dfcfd0731ea285d2c8690f63d6adbd736f1c59c29178bc81515
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector link. The document body, though partially corrupted, includes the URL 'https://ttraff.club/pify?keyword=where+is+my+mind+maxence+cyrin+sheet+music', which is flagged as malicious. The presence of a link farm heuristic further suggests a malicious intent to drive traffic to potentially harmful sites.

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.club/pify?keyword=where+is+my+mind+maxence+cyrin+sheet+music
    • http://files.modernflowerchild.com/uploads/1/3/2/8/132815063/00cd5d3c.pdf
    • http://files.thechronicself.com/uploads/1/3/0/8/130873983/0d43bd02014f.pdf
    • http://ferewe.rootedteens.org/uploads/1/3/0/8/130814328/1165385.pdf
    • https://cdn.shopify.com/s/files/1/0433/5563/5880/files/ttw_mods_list.pdf
    • https://cdn.shopify.com/s/files/1/0435/3346/7808/files/fidewikezinakegudu.pdf
    • https://cdn.shopify.com/s/files/1/0433/3273/1030/files/kexejenesaxumesejisaz.pdf
    • https://cdn.shopify.com/s/files/1/0431/7334/7488/files/17271269309.pdf
    • https://cdn.shopify.com/s/files/1/0434/7471/4790/files/juligadifime.pdf
    • https://cdn.shopify.com/s/files/1/0433/1651/0873/files/totexefi.pdf
    • https://cdn.shopify.com/s/files/1/0431/8127/7352/files/mevaxadodanemizej.pdf
    • https://cdn.shopify.com/s/files/1/0428/0595/2671/files/14661603595.pdf
    • https://cdn.shopify.com/s/files/1/0429/6281/3084/files/folukojozafifum.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_off000084b4.bin
5babfca38519acbce0edeba0483a26d3ea837e60695723bb09d73bef6c4db3aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84B4 5328 bytes
font_01_sfnt_off000096b8.bin
b0427e9bca2f3ab4936af44fc05c39e5e0590ea9ff00346da87d517923299fd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x96B8 20344 bytes
font_02_sfnt_off0000d15d.bin
288645b9b601f5e921a8eb443df0aeb1d6335bcfaefe0ae4725cc0adef041b85		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD15D 16220 bytes

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