Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd9154aed7c7f91e…

MALICIOUS

PDF

52.4 KB Created: 2020-08-10 16:18:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4583e30f793252713d7ac3267870dd6c SHA-1: 3e663a4c7df609c2db26b300bf804c6f1414c38f SHA-256: dd9154aed7c7f91e86262547def393c7330043780add5b093517684c4974cca0
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'El viaje del heroe pdf gratis' and the malicious URL, suggesting a lure for users seeking free content. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the intent to redirect users to harmful infrastructure.

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=el+viaje+del+heroe+pdf+gratis
    • http://files.totallyrendang.com/uploads/1/3/0/9/130969717/cedd900affdf.pdf
    • http://files.terpstrasinafrica.org/uploads/1/3/0/9/130969993/f2da6238c2.pdf
    • http://files.whatsnextmiddlesex.org/uploads/1/3/1/6/131606984/mobufebagosafezologi.pdf
    • http://files.nhsafelock.com/uploads/1/3/1/4/131406068/cae9252026.pdf
    • https://cdn.shopify.com/s/files/1/0431/2052/5469/files/bnc_connector_types.pdf
    • https://cdn.shopify.com/s/files/1/0434/0023/3123/files/49332053560.pdf
    • https://cdn.shopify.com/s/files/1/0428/1804/4063/files/miforafuzudutejotopozeba.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/xidusorogozudowazivuki.pdf
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/kupasopijin.pdf
    • https://cdn.shopify.com/s/files/1/0434/0023/3112/files/dobigexakomadesomeja.pdf
    • https://cdn.shopify.com/s/files/1/0427/5837/3542/files/73148349051.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52665001447.pdf
    • https://cdn.shopify.com/s/files/1/0431/4211/9592/files/kebifaduripozaritizolimil.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9908973296.pdf
    • https://cdn.shopify.com/s/files/1/0428/2250/0518/files/bizudigutozaminob.pdf
    • https://cdn.shopify.com/s/files/1/0435/3500/7893/files/39852994122.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_off00007e12.bin
31df667bdc48d7349ce54988a4ea7d0033c8a2f9b440ee8dfdec3ccad85556d7
pdf-font-stream PDF embedded font (sfnt) at offset 0x7E12 5080 bytes
font_01_sfnt_off00008f80.bin
2f5444717df1b6cc9d64a5401b65a332ff6f26f08d2d60700196b68eac1ae346
pdf-font-stream PDF embedded font (sfnt) at offset 0x8F80 11588 bytes
font_02_sfnt_off0000b52a.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3
pdf-font-stream PDF embedded font (sfnt) at offset 0xB52A 4324 bytes