Malicious PDF — malware analysis report

Static analysis result for SHA-256 202b27a6ac6b880a…

MALICIOUS

PDF

35.4 KB Created: 2020-08-14 18:46:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 89506b59dd800cced391eb70df66e177 SHA-1: f92719f80c4f23e9a99a7715253e3850c578310c SHA-256: 202b27a6ac6b880a73dc34eac50e4aba11c82b17f748d7092e0561dfadb3298b
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or malware distribution attempt. The document body, though partially corrupted, includes text related to 'Snugride 35 instruction manual' and the wkhtmltopdf application, suggesting a lure to disguise the malicious intent. The primary malicious link is https://ttraff.cc/wb?keyword=snugride%2035%20instruction%20manual, which is likely used to redirect the user to a malicious site.

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.cc/wb?keyword=snugride%2035%20instruction%20manual
    • http://files.afiniadentalportal.com/uploads/1/3/1/3/131384070/rigofelive-xejapim-dikepawesodozir-mebex.pdf
    • http://files.reliantfurniture.com/uploads/1/3/0/7/130739918/sabapo.pdf
    • http://files.barbycahillfineart.com/uploads/1/3/0/7/130776500/0271e83c5f.pdf
    • http://fidesij.abhinav-sharma.com/uploads/1/3/0/7/130775918/0382f215a0b31.pdf
    • https://cdn.shopify.com/s/files/1/0431/5978/1538/files/acute_ischemic_stroke.pdf
    • https://cdn.shopify.com/s/files/1/0431/1918/1978/files/mowoguwupexasuv.pdf
    • https://cdn.shopify.com/s/files/1/0440/9255/5416/files/rolutuxima.pdf
    • https://cdn.shopify.com/s/files/1/0428/8220/3801/files/rimek.pdf
    • https://cdn.shopify.com/s/files/1/0430/9303/3111/files/international_trade_feenstra_taylor_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/6970/1280/files/21321374408.pdf
    • https://cdn.shopify.com/s/files/1/0428/6886/7231/files/algorithme_programmation_cours.pdf
    • https://cdn.shopify.com/s/files/1/0440/6883/1382/files/aprendizajes_clave_lengua_extranjera_ingles_educacion_basica.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004c96.bin
b0805389bb8bf516c79f7c3b45c6842886bba7235e7dfdb914f49ab235631edf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C96 5652 bytes
font_01_sfnt_off00005fa6.bin
3f5819f55391c75bf64f792f688bd8950209d2bb8c81b84bef85366fbd37abad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA6 9840 bytes

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