Malicious PDF — malware analysis report

Static analysis result for SHA-256 53a078eeeefaef8d…

MALICIOUS

PDF

46.3 KB Created: 2020-08-14 12:08:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6196eaaee2c90faf118927e79c5aca3b SHA-1: d6d65ac4b4f9a7b3022026e6adebea2c0e8669de SHA-256: 53a078eeeefaef8d5a3a656c2e2068f576150f3185d642a2ab22e7f0fc896263
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one prominent link redirecting to malicious infrastructure. The document body, though heavily obfuscated, contains the URL "https://ttraff.com/pify?keyword=operations+manager+roles+and+responsibilities+pdf", which is a known malicious redirector. This suggests the document's primary purpose is to trick users into visiting malicious sites, likely for further exploitation or credential harvesting.

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=operations+manager+roles+and+responsibilities+pdf
    • http://raxabuder.nyacklibrary.org/uploads/1/3/0/9/130969915/8432518.pdf
    • http://files.ripsandtears.com/uploads/1/3/2/7/132740260/154057.pdf
    • http://xewem.neuropsychologystl.com/uploads/1/3/1/8/131856772/romabijulexep.pdf
    • http://libelabeg.mormonsandscience.com/uploads/1/3/1/6/131637896/zadanujowabi.pdf
    • https://cdn.shopify.com/s/files/1/0436/8180/8549/files/firuvimasamatuxekoz.pdf
    • https://cdn.shopify.com/s/files/1/0430/9745/6801/files/fubupitekujasotapod.pdf
    • https://cdn.shopify.com/s/files/1/0431/6351/7092/files/assured_shorthold_tenancy_agreement_uk.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/44329390643.pdf
    • https://cdn.shopify.com/s/files/1/0435/9513/7181/files/remove_likes_from_facebook.pdf
    • https://cdn.shopify.com/s/files/1/0437/7437/8142/files/paulo_coelho_libros_descargar_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0432/2269/6098/files/gebevoxalavegerowirexu.pdf
    • https://cdn.shopify.com/s/files/1/0428/5795/5487/files/gomewakeji.pdf
    • https://cdn.shopify.com/s/files/1/0432/2535/0306/files/tumipapomajaf.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_off00006b9d.bin
b3612d1c126456747845a91818a4a4d1589aaef10677ea9f03cfe64ed08f073b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B9D 5316 bytes
font_01_sfnt_off00007d81.bin
844cb36986c4f473ec223ec83df7f2a95952b0dfbd0a5f9c58a0e8c04e86b3de		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D81 9456 bytes
font_02_sfnt_off00009daf.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9DAF 4324 bytes

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