Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae58ab0fa78a304a…

MALICIOUS

PDF

46.8 KB Created: 2020-08-21 02:28:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5f333aca74af43421af7e35a07cf2721 SHA-1: 6923d3043c296701ebc0803429fb9eeda6cbf14e SHA-256: ae58ab0fa78a304a39425d6bb7490ee01512f53b0d28b4462f65ed5584f7c266
120 Risk Score

Malware Insights

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

The PDF contains numerous links, including a critical link to a known malicious redirector at 'https://ttraff.com/pify?keyword=embroidered+logo+mockup+free'. This indicates a phishing or scam attempt, masquerading as a free logo mockup to entice clicks. The document body, though heavily corrupted, contains the same lure text and URLs. The presence of a large number of external PDF links suggests a link farm or SEO poisoning tactic to distribute the malicious content.

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=embroidered+logo+mockup+free
    • http://files.rhosarts.com/uploads/1/3/2/6/132695372/kuxuga_baliwevavavawiw.pdf
    • http://files.whidbeywinters.com/uploads/1/3/1/3/131398244/05ee6.pdf
    • http://files.pflagdetroit.org/uploads/1/3/1/6/131606169/wozijuloparit.pdf
    • http://gibikadax.izasfaceups.com/uploads/1/3/0/8/130814328/2954735.pdf
    • http://zijilokog.emasullivan-bissett.com/uploads/1/3/2/6/132695839/ef1050cecbfed1.pdf
    • https://cdn.shopify.com/s/files/1/0434/1117/7626/files/29220254969.pdf
    • https://cdn.shopify.com/s/files/1/0431/2632/5402/files/68502290976.pdf
    • https://cdn.shopify.com/s/files/1/0437/0979/2407/files/61738159727.pdf
    • https://cdn.shopify.com/s/files/1/0428/9419/6902/files/pejuwekagusom.pdf
    • https://cdn.shopify.com/s/files/1/0445/3462/8516/files/riponejugogupas.pdf
    • https://cdn.shopify.com/s/files/1/0448/9995/8939/files/newilag.pdf
    • https://cdn.shopify.com/s/files/1/0430/3103/6053/files/cdr_to_converter_software_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83406059157.pdf
    • https://cdn.shopify.com/s/files/1/0430/3772/0733/files/mamurukege.pdf
    • https://cdn.shopify.com/s/files/1/0434/3214/9148/files/42543860670.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_off00006e4a.bin
b104786d02bbf1624678bc25bf66ee25bee36bb21dbcd0fb952cda505c539899		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E4A 4944 bytes
font_01_sfnt_off00007f14.bin
6b0fe77eca7b738b6e75ea63e5067eec9ca81a01e5d54caf1c21fcce065ed333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F14 9808 bytes
font_02_sfnt_off0000a09c.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA09C 4324 bytes

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