Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5ab612cf500b59e…

MALICIOUS

PDF

47.9 KB Created: 2020-08-14 01:30:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6837956d9bef9b353ed9e2f76be92ce5 SHA-1: 4692067f6a867a60fba65bb6eb4051c853aad083 SHA-256: c5ab612cf500b59ec2a75ce73b3dac984052ed8df7244d589e0d8e518ea48feb
120 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a known malicious domain, disguised as a business meeting agenda. The PDF also contains a large number of external links, many hosted on Shopify, suggesting a link farm or SEO abuse tactic. The embedded URL is the primary indicator of malicious intent, likely leading to a phishing or malware download page.

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=business+meeting+agenda+pdf
    • http://zejowa.hello2kitty.com/uploads/1/3/1/1/131164250/dorumafularudo.pdf
    • http://jenafet.susanlynchshamanicservices.com/uploads/1/3/0/7/130776487/4440294.pdf
    • http://files.happylivingg.com/uploads/1/3/1/3/131398099/5906988.pdf
    • https://cdn.shopify.com/s/files/1/0428/4933/7507/files/hard_clue_scroll_rewards_osrs.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50878135704.pdf
    • https://cdn.shopify.com/s/files/1/0436/4229/0336/files/11304705521.pdf
    • https://cdn.shopify.com/s/files/1/0431/5512/8477/files/61507307439.pdf
    • https://cdn.shopify.com/s/files/1/0429/3728/6812/files/tugix.pdf
    • https://cdn.shopify.com/s/files/1/0434/1799/3366/files/acura_nsx_wiki.pdf
    • https://cdn.shopify.com/s/files/1/0438/0763/7661/files/neoclassicismo_e_preromanticismo_letteratura.pdf
    • https://cdn.shopify.com/s/files/1/0432/6916/1110/files/xupulegimuwatapifut.pdf
    • https://cdn.shopify.com/s/files/1/0434/4555/1271/files/vizifojiluladewi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/19189676900.pdf
    • https://cdn.shopify.com/s/files/1/0432/8026/9462/files/19587248652.pdf
    • https://cdn.shopify.com/s/files/1/0433/6202/5624/files/isomerism_in_transition_metal_complexes.pdf
    • https://cdn.shopify.com/s/files/1/0430/8982/1845/files/practical_multivariate_analysis.pdf
    • https://cdn.shopify.com/s/files/1/0430/9997/9930/files/31038145267.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/
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50878135704.pd

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007dbd.bin
dfe2f84692a7ae545f94bdce05a7fd0be44c115d2fa033509811e3e426b74717		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DBD 5280 bytes
font_01_sfnt_off00008fa1.bin
2a8bcb125639b566dd20fbef0ffc6120aafca0a81b4819816afd8e3aaad8197d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8FA1 10296 bytes

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