Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae2f1624f179c868…

MALICIOUS

PDF

33.5 KB Created: 2020-08-19 09:10:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5205772ee9371c0bebaee0e808665a1c SHA-1: 2f8abd6580a858bbe89aa9387cbb1f9f4c4672ef SHA-256: ae2f1624f179c8689be0998770efcddf8dc9b6202cb80de3773e6b2d7527c79a
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to Shopify domains, but one critical link redirects to a known malicious infrastructure at 'ttraff.cc'. The document body, though partially corrupted, contains text related to sheet music and the malicious URL, suggesting a lure. The presence of a malicious redirector indicates an attempt to lead the user to a malicious site for further exploitation or phishing.

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=alto+sax+cantina+band+sheet+music
    • http://files.hannahhicksart.com/uploads/1/3/1/4/131452735/1411941.pdf
    • http://files.discoverjaniescloset.com/uploads/1/3/1/4/131407435/91ebee6180f2c0.pdf
    • https://cdn.shopify.com/s/files/1/0436/3298/4222/files/67175224048.pdf
    • https://cdn.shopify.com/s/files/1/0431/5470/2496/files/11884742088.pdf
    • https://cdn.shopify.com/s/files/1/0429/5183/5801/files/zovozuwubivadivofev.pdf
    • https://cdn.shopify.com/s/files/1/0428/6939/1527/files/37977339765.pdf
    • https://cdn.shopify.com/s/files/1/0432/4179/9843/files/lijagaruposebe.pdf
    • https://cdn.shopify.com/s/files/1/0430/9506/4730/files/sap_bpc_on_hana.pdf
    • https://cdn.shopify.com/s/files/1/0431/0994/1415/files/seriwawewitudow.pdf
    • https://cdn.shopify.com/s/files/1/0430/2028/8153/files/jubewimofujetewafaz.pdf
    • https://cdn.shopify.com/s/files/1/0429/2552/3103/files/54542545069.pdf
    • https://cdn.shopify.com/s/files/1/0429/9862/8501/files/bumajefawujug.pdf
    • https://cdn.shopify.com/s/files/1/0427/7701/8524/files/21991733857.pdf
    • https://cdn.shopify.com/s/files/1/0431/3684/3933/files/sujezolibunukenalipavi.pdf
    • https://cdn.shopify.com/s/files/1/0430/5443/2410/files/4718402494.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_off00004683.bin
bc1e151e2f4dec146a9e2d5d404167f29e2a00807a5535e9358aa633825f962d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4683 5280 bytes
font_01_sfnt_off00005846.bin
2a5a93c5ad80d6d3d79c664e912b79dc50dcb85c547a8b98e19dba96c8cd1e0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5846 9500 bytes

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