Malicious PDF — malware analysis report

Static analysis result for SHA-256 4eec5192708d8052…

MALICIOUS

PDF

47.1 KB Created: 2020-08-23 05:42:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6d4f0a0f652a09514abeb5e06308bfcf SHA-1: 548f6a98e1dc5b0baac63f77fc8bc2554a37c121 SHA-256: 4eec5192708d805268dbba9182dd441d6b7642b02e5d41fbeac7891ff5a17067
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, many pointing to Shopify domains, but one critical link redirects to a known malicious domain (ttraff.com). This indicates a link farm or redirector strategy designed to lure users to malicious content. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the attack pattern. No scripts were extracted from this sample.

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=altruisme+adalah+pdf
    • http://files.dylanness.com/uploads/1/3/0/9/130969819/860cb.pdf
    • https://cdn.shopify.com/s/files/1/0432/4101/3412/files/mupos.pdf
    • https://cdn.shopify.com/s/files/1/0428/4389/8019/files/61999959640.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37263727017.pdf
    • https://cdn.shopify.com/s/files/1/0439/2943/6315/files/non_governmental_organizations_list.pdf
    • https://cdn.shopify.com/s/files/1/0437/7647/5290/files/chess_puzzles.pdf
    • https://cdn.shopify.com/s/files/1/0433/4711/6185/files/sonda_vesical_femenina.pdf
    • https://cdn.shopify.com/s/files/1/0430/2441/6931/files/fujularasak.pdf
    • https://cdn.shopify.com/s/files/1/0430/6213/2897/files/tisur.pdf
    • https://cdn.shopify.com/s/files/1/0432/2610/3971/files/vekasupijowowusaloxuter.pdf
    • https://cdn.shopify.com/s/files/1/0432/5172/8546/files/blend_phonics_worksheets.pdf
    • https://cdn.shopify.com/s/files/1/0434/0708/1630/files/alter_ego_4_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0431/4149/6981/files/77557102403.pdf
    • https://cdn.shopify.com/s/files/1/0436/9947/0486/files/rolling_stone_album_guide.pdf
    • https://cdn.shopify.com/s/files/1/0436/1977/8720/files/free_printable_2020_calendar_with_holidays.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_off000065ee.bin
257307b920bce3d419655b6fae072be552fc7be795885a3804f6a47d0834d702		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65EE 5268 bytes
font_01_sfnt_off000077b1.bin
eb51f430caadba8e88af94bb02d920ee6a82bd36dc4c773846660a2188efc343		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77B1 10012 bytes
font_02_sfnt_off00009a2c.bin
f6e0f4a25f18a144688c6b7f40519a5efc98c72643b9054f89526e396d9b459d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9A2C 16144 bytes

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