Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce2c6d6c54599e89…

MALICIOUS

PDF

39.7 KB Created: 2020-08-05 23:57:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 859f01697c8c5e47ebebd7f4961e3ad9 SHA-1: 0a84f83ec3ce88c3e9fc86962470cefbf9356282 SHA-256: ce2c6d6c54599e89d5330988e858ef8326833c7cce6101be6f2ed227889ec980
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many of which point to benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'Leading through digital disruption pdf' and the malicious URL, suggesting a lure to a phishing or malware distribution site. No scripts were extracted, limiting further analysis of the payload.

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.com/pify?keyword=leading+through+digital+disruption+pdf
    • http://files.chloewomack.com/uploads/1/3/0/7/130740073/3409790.pdf
    • http://files.aliveleadership.com/uploads/1/3/1/6/131607029/bijewonirifumakodojo.pdf
    • http://valobiku.houseofhempobx.com/uploads/1/3/2/6/132681579/5520879.pdf
    • https://cdn.shopify.com/s/files/1/0439/4047/9131/files/balada_para_elisa_partitura_piano_pdf_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0441/2289/8584/files/sims_4_mac_torrent.pdf
    • https://cdn.shopify.com/s/files/1/0434/8290/6789/files/zokitukarumedop.pdf
    • https://cdn.shopify.com/s/files/1/0436/4677/9552/files/38809802552.pdf
    • https://cdn.shopify.com/s/files/1/0441/1555/8552/files/25905699880.pdf
    • https://cdn.shopify.com/s/files/1/0428/5431/8239/files/baximega.pdf
    • https://cdn.shopify.com/s/files/1/0439/4542/7102/files/79272257917.pdf
    • https://cdn.shopify.com/s/files/1/0438/2588/9442/files/boregekofabinasubeteseki.pdf
    • https://cdn.shopify.com/s/files/1/0431/2052/5461/files/fijati.pdf
    • https://cdn.shopify.com/s/files/1/0430/6924/3549/files/78747952607.pdf
    • https://cdn.shopify.com/s/files/1/0430/1137/5267/files/26371147370.pdf
    • https://cdn.shopify.com/s/files/1/0430/1013/0073/files/60914231279.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_off00005f08.bin
24fcc359b33f7cfe4e8a0435b6704cb1fd0fbd5167ced9548a59d6408b5cdab8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F08 5244 bytes
font_01_sfnt_off000070dd.bin
496cd2b0ef29f0eb21a36cbb26fb9ff27b40d5cd078981660e19ec25a3456950		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70DD 9752 bytes

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