Malicious PDF — malware analysis report

Static analysis result for SHA-256 abb447ffefc58452…

MALICIOUS

PDF

42.8 KB Created: 2020-09-18 01:22:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 618508b7bd5b2827a857370208fada51 SHA-1: 12f018acf8b4f710651d4119503d695c8ab5501b SHA-256: abb447ffefc5845247f2cd9192ca0330d0a56aa7baad0abff139d9945876d135
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1566.002 Spearphishing Link

This PDF file exhibits characteristics of a link farm, embedding a significant number of external links, predominantly to Shopify-hosted PDFs. One of these links, 'https://ttraff.me/wix?keyword=our+lady+of+assumption+claremont', is flagged as a known malicious redirector. The document body contains obfuscated text and the primary malicious URL, suggesting a lure to a malicious site or potentially a phishing attempt.

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.me/wix?keyword=our+lady+of+assumption+claremont
    • https://cdn.shopify.com/s/files/1/0460/1810/1407/files/fewobikiwufumomuzazokedef.pdf
    • https://cdn.shopify.com/s/files/1/0428/4825/6156/files/mizobu.pdf
    • https://cdn.shopify.com/s/files/1/0434/0216/6428/files/22458229631.pdf
    • https://cdn.shopify.com/s/files/1/0433/3545/0774/files/special_characters_on_keyboard.pdf
    • https://cdn.shopify.com/s/files/1/0434/8153/0534/files/movie_characters_to_impersonate.pdf
    • https://cdn.shopify.com/s/files/1/0440/6686/5302/files/fawanal.pdf
    • https://cdn.shopify.com/s/files/1/0434/2707/0104/files/gapomakulomakum.pdf
    • https://cdn.shopify.com/s/files/1/0431/3491/0618/files/rosa_rosae_rosam.pdf
    • https://cdn.shopify.com/s/files/1/0435/5129/3599/files/93023601840.pdf
    • https://58718531-b675-40fb-af6a-b45b55426d38.filesusr.com/ugd/5ea691_6d0da446df1249fe8d7bf5b42ac348e4.pdf?index=true
    • https://6db7b315-3bab-4b3e-a44c-5598bb462b3a.filesusr.com/ugd/defcb2_8209632530d24721a46444fb97b93bdb.pdf?index=true
    • https://9a87ef9d-cd09-485f-9d6e-ffdf2a8181cf.filesusr.com/ugd/5262df_fc1d750df2e049a98a2afc1a32bf4964.pdf?index=true
    • https://950f9f04-f8d9-44ad-9a04-beaeb4cea640.filesusr.com/ugd/cacfd7_61982d69ca3748138636bbd6065c1ba2.pdf?index=true
    • https://befaf5df-1db0-430b-9106-4ef940850e1d.filesusr.com/ugd/c70c35_2a1ea7dd5c474a01bc845b92f8ace471.pdf?index=true
    • 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_off0000666a.bin
2afa6b1f1c833852b1fdc7cd4020e51638c4194da72746b136fd42b982216c4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x666A 5432 bytes
font_01_sfnt_off000078d3.bin
3d9c7b20924eb12385ebaf113a121589da612a233bf4b0b197630135d65ce941		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78D3 10980 bytes

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