Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebc5f4aacf36e4eb…

MALICIOUS

PDF

46.7 KB Created: 2020-08-02 23:33:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 45e1c0736ca7966089d929b1de0948cc SHA-1: 423debc8d69d9320509bfcba36173e51df24b83f SHA-256: ebc5f4aacf36e4ebafef9a50c68fa07171c5d32f7c38fdb355bb907ad8776e89
120 Risk Score

Malware Insights

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

The PDF document contains a link to a redirector URL, which is designed to lead the user to download a malicious APK file. The document body text explicitly mentions 'Super bluetooth hack 1. 08 apk', reinforcing the lure. The PDF also hosts a large number of external links, many pointing to Shopify domains, suggesting a link farm for SEO poisoning or distribution.

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=super+bluetooth+hack+1.+08+apk
    • http://files.carlocornelli.com/uploads/1/3/1/8/131856134/8143464.pdf
    • http://files.rumbaking.com/uploads/1/3/2/7/132712207/xaratisax_nexexote.pdf
    • http://files.eclipseconcrete.com/uploads/1/3/1/4/131453214/lavax_basakokomajemaz_luwusufiguxovu.pdf
    • https://cdn.shopify.com/s/files/1/0427/5663/6828/files/31107182944.pdf
    • https://cdn.shopify.com/s/files/1/0430/5059/8562/files/siroliguw.pdf
    • https://cdn.shopify.com/s/files/1/0428/5513/7447/files/96163339024.pdf
    • https://cdn.shopify.com/s/files/1/0432/1086/6851/files/34967757249.pdf
    • https://cdn.shopify.com/s/files/1/0435/3749/8276/files/zozonekusavifizemewijepi.pdf
    • https://cdn.shopify.com/s/files/1/0430/7720/6178/files/famowo.pdf
    • https://cdn.shopify.com/s/files/1/0431/1502/0449/files/razusikovadalizura.pdf
    • https://cdn.shopify.com/s/files/1/0428/6241/1942/files/wosekusazib.pdf
    • https://cdn.shopify.com/s/files/1/0430/3749/1354/files/lafamiwusaxozimeduwa.pdf
    • https://cdn.shopify.com/s/files/1/0437/7850/6909/files/english_to_farsi_dictionary.pdf
    • https://cdn.shopify.com/s/files/1/0432/0490/3069/files/5528292801.pdf
    • https://cdn.shopify.com/s/files/1/0440/0958/6853/files/natikukaxupurezowejat.pdf
    • https://cdn.shopify.com/s/files/1/0427/9812/1119/files/modus.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_off00006406.bin
44d0aa8b990aae909cd9163549950306e20506724ad00fca2f3d05866655c47e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6406 5572 bytes
font_01_sfnt_off000076eb.bin
09648b6e84c7661f18f485fd87408317a64c69c0ceaef08701aec9bf5af6231e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76EB 9812 bytes
font_02_sfnt_off00009861.bin
182150495d82d75302456bd19702210f4be5aa050272fc57cd62d2792386fed7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9861 16136 bytes

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